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JD50IND HEAVY DUTY WRECKER
PARTS MANUAL
5-376-000145
Rev 0 - April 01, 2012 © 2012 Jerr-Dan Corporation. All Rights Reserved.
13224 Fountainhead PlazaHagerstown, MD 21742Phone (717) 597-7111
www.jerr-dan.com
JD50IND Heavy Duty Wrecker Parts Manual - Page 3 5-376-000145 Rev 0
This manual covers the following Jerr-Dan Models:
JD50IND - 50 Ton Independent
SERIAL NO.
MODEL NO.
MANUFACTURED BY:
JLG INDUSTRIES, INC.
1001127220-00
FOR:
Jerr-Dan Corporation strives to provide information that is accurate, complete and useful. Descriptions and illustrative material contained
within this manual are as accurate as known at the time of publication and are subject to change, without notice, as a result of continuous
product improvements. Jerr-Dan reserves the right to amend the information in this document at any time without prior notice.
Information contained in this manual reflects how this vehicle was built at the factory. Modifications or additions by the distributor or owner are
not reflected in this manual.
This parts manual does not include service parts information for the commercial chassis (IHC, Ford, GM, etc.).
That information is provided by the chassis manufacturer.
When ordering parts, please refer to your unit’s Serial Number and Model Number. This information is be found on the aluminum tag riveted to
the inside of the driver’s side rear compartment of the main body.
Additional or replacement manuals can be ordered by calling Jerr-Dan Parts at 717-597-7111.
Price and availability will be quoted at time of the request.
Please report comments and/or errors by contacting Jerr-Dan Corporation’s Technical Publications Department by e-mail at
[email protected] or by FAX on 717-485-7162.
Manufactured under one or more of the following patents: 5,575,606; 5,672,042; 5,697,741; 5,713,714; 5,722,810; 5,782,596; 5,839,775 and6,315,515 B1 with other Patents Pending.
Jerr-Dan and the Jerr-Dan logo are registered trademarks and Run Hard is a service mark of Jerr-Dan Corporation, Greencastle, PA USA.
The material in this document is confidential and the property of Jerr-Dan Corporation. No part of this document may be photocopied,
reproduced or translated to another language without the express written consent of Jerr-Dan Corporation.
JD50IND Heavy Duty Wrecker Parts Manual - Page 4 5-376-000145 Rev 0
THIS PAGE INTENTIONALLY LEFT BLANK
JD50IND Heavy Duty Wrecker Parts Manual - Page 5 5-376-000145 Rev 0
Subframe Installation ............................................................................................................... 6 - 7
Subframe Hydraulic Tubing ..................................................................................................... 8 - 9
Hydraulic Tank Installation (Units Without Underlift Winch Option) ................................... 10 - 11
Hydraulic Tank Assembly (Units Without Underlift Winch Option) .................................... 12 - 13
Hydraulic Tank Installation (Units With Underlift Winch Option) ........................................ 14 - 15
Hydraulic Tank Assembly (Units With Underlift Winch Option) ......................................... 16 - 17
Rear Spade Installation ........................................................................................................ 18 - 19
Rear Spade Tubing .............................................................................................................. 20 - 21
Boom Installation - 2 Piece Boom ........................................................................................ 22 - 23
Wrecker Boom Assembly - 2 Piece Boom .......................................................................... 24 - 25
Boom Installation - 3 Piece Boom ........................................................................................ 26 - 27
Wrecker Boom Assembly - 3 Piece Boom .......................................................................... 28 - 29
Winch Installation - 50K DP Planetary 2 Speed Gear Shift ................................................ 30 - 31
Underlift Installation - Without Winch Option (Standard) ................................................... 32 - 33
Underlift Installation - With Winch Option (Optional) .......................................................... 34 - 35
Underlift Assembly - 53,000 LB - 3 Piece Boom (Standard) ............................................. 36 - 37
Underlift Assembly - 56,500 LB - 3 Piece Boom (Optional) ............................................... 38 - 39
Underlift Assembly - 56,500 LB - 4 Piece Boom (Optional) ............................................... 40 - 41
Underlift Winch Installation (Optional) ................................................................................. 42 - 43
Crosstube Installation .......................................................................................................... 44 - 45Underlift Tools - Frame Forks .............................................................................................. 46 - 47
Underlift Tools - 14,000 LB Tire Lift .................................................................................... 48 - 49
Underlift Tools - 25,000 LB Tire Lift .................................................................................... 50 - 51
Underlift Tools - Fifth Wheel Attachment ............................................................................ 52 - 53
Underlift Tools - Pintle Hook ................................................................................................. 54 - 55
Rear Tail Plate Installation .................................................................................................... 56 - 57
Tailboard D-Ring Installation ................................................................................................ 58 - 59
Controls - Control Valve Installation - 6 Function & 14 Function ........................................ 60 - 61
Controls - Control Valve Installation - 16 Function ............................................................. 62 - 63
Controls - Push-Pull Cables Installation - 6 Function & 14 Function .................................. 64 - 65
Controls - Push-Pull Cables Installation - 16 Function ........................................................ 66 - 67
Controls - Control Valve Assembly - 6 Function & 14 Function ......................................... 68 - 69
Controls - Control Valve Assembly - 16 Function .............................................................. 70 - 71
Controls - 6 Function Non-Proportional Miratron ................................................................ 72 - 73
Controls - 14 Function Non-Proportional Miratron .............................................................. 74 - 75
Controls - 14 & 16 Function Proportional Miratron ............................................................. 76 - 77
Controls - Electrical Emergency Stop ................................................................................. 78 - 79
Hydraulics - Supply-Pressure-Return ................................................................................ 80 - 81
Hydraulics - Lines and Fittings ............................................................................................ 82 - 89
Driver Side Hydraulic Pressure Gauges - Without Underlift Winch Option (Standard) ... 90 - 91Driver Side Hydraulic Pressure Gauges - With Underlift Winch Option (Optional) .......... 92 - 93
Passenger Side Winch Air Controls - 2 Spd Gear Shift .................................................... 94 - 95
Driver & Passenger Side Winch Air Controls - DP 50K, 2 Spd Gear Shift ........................ 96 - 99Winch Electric Speed/Free Spool Controls - DP 50K, 2 Spd ......................................... 100 - 103
Decals ................................................................................................................... 104 - 106
INDEX DESCRIPTION PAGE
JD50IND Heavy Duty Wrecker Parts Manual - Page 6 5-376-000145 Rev 0
SUBFRAME INSTALLATION
ITEM PART NO. DESCRIPTION QTY
1 3868000305 Subframe 12 4706002262 Plate 23 4706002261 Plate 24 4706002490 Plate 25 4706006016 Plate 26 7118221816 Capscrew, 0.75”-10NC x 2.25” 367 7660222308 Locknut, 0.75”-10NC 368 7118242050 Capscrew .88 -9NC x 2.50” 69 7949000061 Washer, 0.88” ID 6
10 7660242308 Locknut, 0.88”-9NC 611 4706002555 Plate 212 4062000268 Bar 213 4062000269 Bar 2
JD50IND Heavy Duty Wrecker Parts Manual - Page 7 5-376-000145 Rev 0
SUBFRAME INSTALLATION
1
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JD50IND Heavy Duty Wrecker Parts Manual - Page 8 5-376-000145 Rev 0
SUBFRAME HYDRAULIC TUBING
ITEM PART NO. DESCRIPTION QTY
1 7912000068 Tube Assembly 22 7912000069 Tube Assembly 23 7912000070 Tube Assembly 24 7912000041 Tube Assembly 65 7912000238* Tube Assembly 26 7274000030 Clamp 67 7274000049 Clamp 208 7209000024* Bushing, 0.62” ID 16
7209000024 Bushing, 0.62” ID 129 7209000032 Bushing, #12 Tube 6
10 7209000031 Bushing, #8 Tube 411 7209000033 Bushing, #16 Tube 412 7209000066 Bushing, #10 Tube 613 7661000022 Nut, 0.31”-18NC Stacking Head 1814 7661000027 Nut, Stacking 3015 7007000036 Adapter, 0.31”-18NC x 1.38” 2416 7950150000 Lockwasher, 0.31” ID 4817 7115150650 Capscrew, 0.31”-18NC x 0.75” 3218 7115150850 Capscrew, 0.31”-18NC x 1.00” 1619 7445080825 Fitting, Union Bulkhead 220 7445101025 Fitting, Union Bulkhead 421 7445121225 Fitting, Union Bulkhead 222 7443000209 Fitting 4
* Used With Drag Winch Option Only
JD50IND Heavy Duty Wrecker Parts Manual - Page 9 5-376-000145 Rev 0
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SUBFRAME HYDRAULIC TUBING
JD50IND Heavy Duty Wrecker Parts Manual - Page 10 5-376-000145 Rev 0
HYDRAULIC TANK INSTALLATION - UNITS WITHOUT UNDERLIFT DRAG WINCH
ITEM PART NO. DESCRIPTION QTY
1 3750000022 Hydraulic Tank Assembly 12 7115181850 Capscrew, 0.50”-13NC x 2.25” 43 7950180141 Flatwasher, 0.50” ID 44 7660182601 Locknut, 0.50”-13NC 45 7949000015 Washer, Head 46 7949000016 Washer, Tail 47 7636000006 Rubber Mount 4
JD50IND Heavy Duty Wrecker Parts Manual - Page 11 5-376-000145 Rev 0
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HYDRAULIC TANK INSTALLATION - UNITS WITHOUT UNDERLIFT DRAG WINCH
JD50IND Heavy Duty Wrecker Parts Manual - Page 12 5-376-000145 Rev 0
HYDRAULIC TANK ASSEMBLY - 3750000022 - UNITS WITHOUT UNDERLIFT DRAG WINCH
ITEM PART NO. DESCRIPTION QTY
1 3750000021 Hydraulic Tank 12 7183000002 Breather, Filler Cap 13 7470000003 Gauge, Sight 14 7701000025 Plug, Magnetic 15 7796000051 Gasket 16 4706002235 Plate 17 7115140650 Capscrew, 0.25”-25NC x 0.75” 128 7950140000 Lockwasher, 0.25” ID 129 7444120014 Plug 1
10 7444160011 Plug 2
JD50IND Heavy Duty Wrecker Parts Manual - Page 13 5-376-000145 Rev 0
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HYDRAULIC TANK ASSEMBLY - 3750000022 - UNITS WITHOUT UNDERLIFT DRAG WINCH
JD50IND Heavy Duty Wrecker Parts Manual - Page 14 5-376-000145 Rev 0
HYDRAULIC TANK INSTALLATION - UNITS WITH UNDERLIFT DRAG WINCH
ITEM PART NO. DESCRIPTION QTY
1 3750000055 Hydraulic Tank Assembly 12 7115181850 Capscrew, 0.50”-13NC x 2.25” 43 7950180141 Flatwasher, 0.50” ID 44 7660182601 Locknut, 0.50”-13NC 45 7949000015 Washer, Head 46 7949000016 Washer, Tail 47 7636000006 Rubber Mount 4
JD50IND Heavy Duty Wrecker Parts Manual - Page 15 5-376-000145 Rev 0
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HYDRAULIC TANK INSTALLATION - UNITS WITH UNDERLIFT DRAG WINCH
JD50IND Heavy Duty Wrecker Parts Manual - Page 16 5-376-000145 Rev 0
HYDRAULIC TANK ASSEMBLY - 3750000055
ITEM PART NO. DESCRIPTION QTY
1 3750000056 Hydraulic Tank 12 7470000003 Gauge, Sight 13 7701000025 Plug, Magnetic 14 7796000051 Gasket 15 4706002235 Plate 16 7790141253 Screw, 0.25”-20NC x 0.75” 127 7950140000 Lockwasher, 0.25” ID 128 7183000002 Breather, Filler Cap 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 17 5-376-000145 Rev 0
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HYDRAULIC TANK ASSEMBLY - 3750000055
JD50IND Heavy Duty Wrecker Parts Manual - Page 18 5-376-000145 Rev 0
REAR SPADE INSTALLATION
ITEM PART NO. DESCRIPTION QTY
1 7115161250 Capscrew, 0.38”-16NC x 1.50” 22 7950160161 Flatwasher, 0.38” ID 23 7660162601 Locknut, 0.38”-16NC 24 3691000267 Pin 25 4706003716 Plate 26 7114140518 Capscrew, 0.25”-20NC x 0.63” 87 7949000025 Lockwasher, 11MM ID 88 7950140153 Flatwasher, 0.25” ID 89 7320000006 Spade Cylinder Assembly 2
10 3263000061 Channel, Spade - RH 111 3263000062 Channel, Spade - LH 112 4691000207 Pin 213 7754000033 Retaining Ring 414 4691000200 Pin 215 7754000008 Retaining Ring 416 3691000126 Pin 217 7691000019 Lynch Pin 218 3706000335 Spade Claw Plate 219 7440030000 Grease Fitting 2
JD50IND Heavy Duty Wrecker Parts Manual - Page 19 5-376-000145 Rev 0
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21 31
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2131
5141
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7181
81
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REAR SPADE INSTALLATION
JD50IND Heavy Duty Wrecker Parts Manual - Page 20 5-376-000145 Rev 0
REAR SPADE TUBING
ITEM PART NO. DESCRIPTION QTY
1 7912000245 Tube Assembly 12 7912000246 Tube Assembly 13 7912000247 Tube Assembly 14 7912000248 Tube Assembly 15 7274000050 Clamp 56 7274000064 Clamp 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 21 5-376-000145 Rev 0
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REAR SPADE TUBING
JD50IND Heavy Duty Wrecker Parts Manual - Page 22 5-376-000145 Rev 0
BOOM INSTALLATION - 2 PIECE BOOM
ITEM PART NO. DESCRIPTION QTY
1 3170000136 Boom Assembly 12 3691000274 Pin 13 7754000059 Retaining Ring 14 7950180000 Lockwasher, 0.59” ID 45 3691000149 Pin 26 7115181850 Capscrew, 0.50”-13NC x 2.25” 27 7320000027 Lift Cylinder Assy w/o U/L Winch Option 2
7320000062 Lift Cylinder Assy w/ U/L Winch Option8 3691000148 Pin 29 7115181450 Capscrew, 0.50”-13NC x 1.75” 2
10 7440030000 Grease Fitting 411 4949000059* Shim, 0.062” Thick 2
4949000060* Shim, 0.125” Thick12 7253000002 Cap, Grease Fitting 413 4679000127 Pad 414 7115160623 Capscrew, 0.38”-16NC x 0.75” 8
* Available in Shim Kit - 3577000071
JD50IND Heavy Duty Wrecker Parts Manual - Page 23 5-376-000145 Rev 0
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BOOM INSTALLATION - 2 PIECE BOOM
JD50IND Heavy Duty Wrecker Parts Manual - Page 24 5-376-000145 Rev 0
WRECKER BOOM ASSEMBLY - 2 PIECE BOOM
ITEM PART NO. DESCRIPTION QTY
1 3170000133 Outer Boom Weldment 12 7754000055 Retaining Ring 43 4691000281 Pin 14 4679000140 Pin 25 7114140618 Capscrew, 0.25”-20NC x 0.75” 46 7950140000 Lockwasher, 0.25” ID 47 7320000028 Extension Cylinder Assembly 18 4062000273 Bar 29 7115141250 Capscrew, 0.25”-20NC x 1.50” 2
10 7660142600 Locknut, 0.25”-20NC 411 3170000135 Fly Boom Weld 112 4691000285 Pin 213 7440030000 Grease Fitting 414 4754000004 D-Ring 215 7690144840 Pin, Spring 216 4706002276 Plate 117 7115181450 Capscrew, 0.50”-13NC x 1.75” 318 7950180141 Flatwasher 319 4679000139 Pad 120 7786000005 Setscrew, 0.75”-16NF x 2.0” 1421 7660220230 Nut, 0.75”-16NF Hex Jam 1422 4691000280 Pin 123 4679000150 Pad 124 7114140818 Capscrew 0.25”-20 x 1.00” 225 4064000033 Bar 1426 4062000158 Bar 227 7115180850 Capscrew, 0.50”-13NC x 1.00” 428 7950180000 Lockwasher, 0.59” ID 429 4701000004 Keeper 14
JD50IND Heavy Duty Wrecker Parts Manual - Page 25 5-376-000145 Rev 0
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WRECKER BOOM ASSEMBLY - 2 PIECE BOOM
JD50IND Heavy Duty Wrecker Parts Manual - Page 26 5-376-000145 Rev 0
BOOM INSTALLATION - 3 PIECE BOOM
ITEM PART NO. DESCRIPTION QTY
1 3170000384 Boom Assembly 12 3691000274 Pin 13 7754000059 Retaining Ring 14 7950170000 Lockwasher, 0.43” ID 45 3691000149 Pin 26 7115181850 Capscrew 0.50”-13NC x 2.25 27 7320000027 Lift Cylinder Assy w/o U/L Winch Option 2
7320000062 Lift Cylinder Assy w/ U/L Winch Option8 3691000148 Pin 29 7115181450 Capscrew, 0.50”-13NC x 1.75” 2
10 7440030000 Grease Fitting 411 4949000059* Shim, 0.062” Thick 2
4949000060* Shim, 0.125” Thick12 7253000002 Cap, Grease Fitting 4
* Available in Shim Kit - 3577000071
JD50IND Heavy Duty Wrecker Parts Manual - Page 27 5-376-000145 Rev 0
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BOOM INSTALLATION - 3 PIECE BOOM
JD50IND Heavy Duty Wrecker Parts Manual - Page 28 5-376-000145 Rev 0
WRECKER BOOM ASSEMBLY - 3 PIECE BOOM
ITEM PART NO. DESCRIPTION QTY
1 3170000374 Base Section Boom Weldment 12 317000266 Mid Section Boom Weldment 13 317000383 Fly Section Boom Weldment 14 7320000050 Extension Cylinder Weldment 15 4691000417 Pin 16 7754000055 Retaining Ring 47 7440030000 Grease Fitting 78 7253000002 Grease Fitting 79 3706000241 Plate Weldment 2
10 7120000040 Bolt, 0.75”-10NC x 2.00” 811 4679000140 Pad 412 7118140427 Capscrew, 0.25”-20NC x 0.50” 1213 7950140141 Flatwasher, 0.25” ID 414 4062000484 Bar 415 7115180850 Capscrew, 0.50”-13NC x 1.00” 816 7950180000 Lockwasher, 0.59” ID 1217 4679000216 Pad 118 4679000220 Pad 219 7114141218 Capscrew, 0.25”-20NC x 1.50” 420 7660142604 Locknut, 0.25”-20NC 421 4691000416 Pin 122 4679000215 Pad 123 4064000033 Bar 1424 4701000004 Keeper 1425 7786000005 Setscrew, 0.75”-16NF x 2.00” 2026 7660220230 Nut, 0.75”-16NF Hex Jam 2027 4062000562 Bar 228 7115181450 Capscrew, 0.50”-13NC x 1.75” 229 4754000004 D-Ring 730 4691000544 Pin 231 7661000052 Locknut, 1.50”-12NF 632 7950340161 Flatwasher, 1.50” ID 833 7115220850 Capscrew, 0.75”-10NC x 1.00” 334 7115181250 Capscrew, 0.50”-13NC x 1.50” 235 4064000076 Bar 6
ITEM PART NO. DESCRIPTION QTY
36 4701000005 Keeper 637 4679000217 Pad 138 4691000545 Pin 139 4691000285 Pin 240 7690144840 Pin 241 4706005215 Plate 142 7118180820 Capscrew, 0.50”-13NC x 1.00” 643 4706005216 Plate 144 4062000613 Bar 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 29 5-376-000145 Rev 0
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3536 37
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41 42
4243
WRECKER BOOM ASSEMBLY - 3 PIECE BOOM
JD50IND Heavy Duty Wrecker Parts Manual - Page 30 5-376-000145 Rev 0
WINCH INSTALLATION - 50K DP PLANETARY 2 SPEED GEAR SHIFT
ITEM PART NO. DESCRIPTION QTY
1 7970000059 Winch 12 7970000060 Winch 13 4017000788 Angle - RH 14 4017000789 Angle - LH 15 4017000792 Angle 16 7118222816 Capscrew, 0.75”-10NC x 3.50” 167 7660222308 Locknut, 0.75”-10NC 248 7118221616 Capscrew, 0.75”-10NC x 2.00” 89 3249000008* Sheave Support Weldment 2
10 7754000059 Retaining Ring 211 7440030000 Grease Fitting 412 3249000035* Cable Guide Weldment 213 7809000004* Sheave 214 3691000151* Pin 215 7754000033* Retaining Ring 216 7115182650* Capscrew, 0.50”-13NC x 3.25” 617 7950180141* Flatwasher, 0.50” ID 1218 7660182601* Locknut, 0.50”-13NC 619 4831000104* Spacer 620 7248000135 Cable, 0.75” Dia x 250’ 2
7248000085 Cable, 0.75” Dia x 250’ w/Swivel Hook
* Available in Sheave Head Assembly - 3249000009
JD50IND Heavy Duty Wrecker Parts Manual - Page 31 5-376-000145 Rev 0
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WINCH INSTALLATION - 50K DP PLANETARY 2 SPEED GEAR SHIFT
Item #28, not shown
JD50IND Heavy Duty Wrecker Parts Manual - Page 32 5-376-000145 Rev 0
UNDERLIFT INSTALLATION - WITHOUT WINCH OPTION (STANDARD)
ITEM PART NO. DESCRIPTION QTY
1 3170000408 Knee Boom Weldment 12 4691000284 Pin 13 7115183250 Capscrew, 0.50”-13NC x 4.00” 14 7950180161 Flatwasher, 0.50” ID 35 7320000024 Underlift Lift Cylinder Assembly 16 3691000251 Pin 17 7115220850 Capscrew, 0.75”-10NC x 1.00” 28 7950220141 Flatwasher, 0.75” ID 29 3691000152 Pin 1
10 7115180850 Capscrew, 0.50”-13NC x 1.00” 111 7320000096 U/L Tilt Cylinder Assembly UL530 1
7320000097 U/L Tilt Cylinder Assembly UL565 112 3691000232 Pin 113 4691000290 Pin 114 7754000051 Retaining Ring 215 4691000291 Pin 116 7754000018 Retaining Ring 217 3507100001 Underlift Assembly, UL530 - 3 Piece 1
3170000407 Underlift Assembly, UL565 - 3 Piece 13170000381 Underlift Assembly, UL565 - 4 Piece 1
18 4679000127 Pad 419 7115160623 Capscrew, 0.38”-16NC x 0.75” 820 7262000025 Chain 221 7115201250 Capscrew, 0.63-11NC x 1.50” 222 7660202601 Locknut, 0.63”-11NC 223 7189000017 Bumper 224 7440030000 Grease Fitting 525 7253000002 Grease Fitting 526 7660182601 Locknut, 0.50”-13NC 127 7950220000 Washer, 0.75” ID 228 3561000017 Hook Weldment Chain Guide 229 7115161450 Capscrew, 0.38”-16NC x 1.75” 430 7950160141 Flatwasher, 0.38” ID 4
* Available in Shim Kit - 3577000037
ITEM PART NO. DESCRIPTION QTY
31 4949000031* Washer, 4.50” OD x 2.12” ID x 0.063” 24949000032* Washer, 4.50” OD x 2.12” ID x 0.093” 2
JD50IND Heavy Duty Wrecker Parts Manual - Page 33 5-376-000145 Rev 0
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UNDERLIFT INSTALLATION - WITHOUT WINCH OPTION (STANDARD)
JD50IND Heavy Duty Wrecker Parts Manual - Page 34 5-376-000145 Rev 0
UNDERLIFT INSTALLATION - WITH WINCH OPTION (OPTIONAL)
ITEM PART NO. DESCRIPTION QTY
1 3170000409 Knee Boom Weldment 12 4691000284 Pin 13 7115183250 Capscrew, 0.50”-13NC x 4.00” 14 7950180161 Flatwasher, 0.50” ID 35 7320000024 Underlift Lift Cylinder Assembly 16 3691000251 Pin 17 7115220850 Capscrew, 0.75”-10NC x 1.00” 28 7950220141 Flatwasher, 0.75” ID 29 3691000152 Pin 1
10 7115180850 Capscrew, 0.50”-13NC x 1.00” 111 7320000096 U/L Tilt Cylinder Assembly UL530 1
7320000097 U/L Tilt Cylinder Assembly UL565 112 3691000232 Pin 113 4691000290 Pin 114 7754000051 Retaining Ring 215 4691000291 Pin 116 7754000018 Retaining Ring 217 3507100001 Underlift Assembly, UL530 - 3 Piece 1
3170000407 Underlift Assembly, UL565 - 3 Piece 13170000381 Underlift Assembly, UL656 - 4 Piece 1
18 4679000127 Pad 419 7115160623 Capscrew, 0.38”-16NC x 0.75” 820 7262000025 Chain 221 7115201250 Capscrew, 0.63-11NC x 1.50” 222 7660202601 Locknut, 0.63”-11NC 223 7189000017 Bumper 224 7440030000 Grease Fitting 525 7253000002 Grease Fitting 526 7660182601 Locknut, 0.50”-13NC 127 7950220000 Washer, 0.75” ID 228 3561000017 Hook Weldment Chain Guide 229 7115161450 Capscrew, 0.38”-16NC x 1.75” 430 7950160141 Flatwasher, 0.38” ID 4
* Available in Shim Kit - 3577000037
ITEM PART NO. DESCRIPTION QTY
31 4949000031* Washer, 4.50” OD x 2.12” ID x 0.063” 24949000032* Washer, 4.50” OD x 2.12” ID x 0.093” 2
JD50IND Heavy Duty Wrecker Parts Manual - Page 35 5-376-000145 Rev 0
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UNDERLIFT INSTALLATION - WITH WINCH OPTION (OPTIONAL)
JD50IND Heavy Duty Wrecker Parts Manual - Page 36 5-376-000145 Rev 0
UNDERLIFT ASSEMBLY - 3507100001 - 53,000 LB - 3 PIECE BOOM (STANDARD)
ITEM PART NO. DESCRIPTION QTY
1 3170000125 Base Section Boom Weldment 12 3170000124 Mid Section Boom Weldment 13 3170000123 Fly Section Boom Weldment 14 7320000026 Underlift Extension Cylinder Assembly 15 4691000292 Pin 16 4691000293 Pin 17 7754000043 Retaining Ring 48 4679000146 Pad 89 4679000147 Pad 2
10 7114140518 Capscrew, 0.25”-20NC x 0.63” 1011 4706002209 Plate 112 7108181050 Capscrew, 0.50”-20NF x 1.25” 613 4706002208 Plate 114 7108180850 Capscrew, 0.50”-20NF x 1.00” 615 7950180153 Flatwasher, 0.50” ID 1216 7440030000 Grease Fitting 117 4706002207 Plate 118 7115140650 Capscrew, 0.25”-20NC x 0.75” 419 7950140000 Lockwasher, 0.25” ID 420 4706002211 Plate 121 4706002210 Plate 122 4812000057 Shim, 14GA 223 4706003708 Plate 224 4706003709 Plate 225 4706003710 Plate 426 4706003717 Plate 827 4706003718 Plate 8
JD50IND Heavy Duty Wrecker Parts Manual - Page 37 5-376-000145 Rev 0
5
1
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3
8
71
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91
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7
61
67
7
01
8
6272
8
01
86272
6272
01
8
41
21
51
51
51
51
4151
51
9
3242
9
324241
6272
018
018
801
12 312252
2252
02
112252
UNDERLIFT ASSEMBLY - 3507100001 - 53,000 LB - 3 PIECE BOOM (STANDARD)
JD50IND Heavy Duty Wrecker Parts Manual - Page 38 5-376-000145 Rev 0
UNDERLIFT ASSEMBLY - 3170000407 - 56,500 LB - 3 PIECE BOOM (OPTIONAL)
ITEM PART NO. DESCRIPTION QTY
1 3170000400 Base Section Boom Weldment 12 3170000401 Mid Section Boom Weldment 13 3170000406 Fly Section Boom Weldment 14 7320000068 Underlift Extension Cylinder Assembly 15 4691000293 Pin 16 4691000321 Pin 17 7754000043 Retaining Ring 48 4706005262 Plate 29 4706005263 Plate 2
10 7108180850 Capscrew, 0.50”-20NF x 1.00” 1211 7950180000 Lockwasher, 0.50” ID 1212 4679000277 Pad, 0.38 Thk 8
4679000293 Pad, 0.25 Thk13 7114140518 Capscrew, 0.25”-20NC x 0.63” 814 4706005281 Plate 115 7661000019 U-Nut, 0.25”-20NC 416 7115140650 Capscrew, 0.25”-20NC x 0.75” 417 7950140000 Lockwasher, 0.25” ID 418 7440030000 Grease Fitting 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 39 5-376-000145 Rev 0
6
1
2
4
3
31
41
61
61
71
71
7
7
81
57
7
31
31
21
11 01
01
11
9
01
21
8
51
51
11 01
01
11 01
9
8
31
21
31
21
UNDERLIFT ASSEMBLY - 3170000407 - 56,500 LB - 3 PIECE BOOM (OPTIONAL)
JD50IND Heavy Duty Wrecker Parts Manual - Page 40 5-376-000145 Rev 0
UNDERLIFT ASSEMBLY - 3170000381 - 56,500 LB - 4 PIECE BOOM (OPTIONAL)
1 3170000379 Fly Section Boom Weld 12 3170000380 2nd Stage Boom Weld 13 3170000178 3rd Stage Boom Weld 14 3710000179 Base Section Boom Weld 15 7320000038 Underlift Extension Cylinder Assembly 16 4691000293 Pin 17 4691000321 Pin 18 7754000043 Retaining Ring 49 3178000273 Bracket LH 3
10 3178000275 Bracket RH 311 4679000170 Pad 612 7108180850 Capscrew, 0.50” - 20NF x 1.00” 1213 7950180153 Flatwasher, 0.50” ID 1214 4679000146 Pad 12
4679000254 Pad 1215 7114140518 Capscrew, 0.25” - 20NC x 0.62” 1216 4706002428 Plate 117 7661000019 U-Nut 0.25” 418 7115140650 Capscrew, 0.25” - 20NC x 0.75” 419 7950140000 Lockwasher, 0.25” ID 420 7440030000 Fitting 0.25” - 28NF 1
ITEM PART NO. DESCRIPTION QTY
JD50IND Heavy Duty Wrecker Parts Manual - Page 41 5-376-000145 Rev 0
1
2
3
4
5
6
7
8
8
8
8
9
9
9
10
10
10
11
11
11
11
12
12
12
12
12
12
13
13
13
13
13
13
14
14
14
14
14
14
14
15
15
15
15
16
20
17
17
1818
19
19
UNDERLIFT ASSEMBLY - 3170000381 - 56,500 LB - 4 PIECE BOOM (OPTIONAL)
JD50IND Heavy Duty Wrecker Parts Manual - Page 42 5-376-000145 Rev 0
UNDERLIFT WINCH INSTALLATION (OPTIONAL)
ITEM PART NO. DESCRIPTION QTY
1 7970000079 Winch 12 7118201616 Capscrew, 0.63”-11NC x 2.00” 43 7118202016 Bolt, 0.63” x 2.50” 44 7661000018 Nut, 0.63”-11NC 85 3249000015 Sheave Support Weldment 16 3249000012 Cable Guide Weldment 17 7809000006 Sheave 18 3691000169 Pin Weldment 19 7754000058 Retaining Ring 1
10 4949000045 Washer 211 7440030000 Fitting, 0.25”-28NF 212 7253000002 Grease Fitting 213 4949000002 Cable Guide 214 7115142050 Capscrew, 0.25”-20NC x 2.50” 215 7660142604 Locknut, 0.25”-20NC 216 7754000049 Retaining Ring 117 3912000034* Tube Weldment 118 7189000014* Spring 219 4831000115* Spacer 220 7120000053* Bolt, 0.50”-132UNC x 10.00” 121 7115181250* Capscrew, 0.50”-13NC x 1.50” 422 7950180150* Flatwasher, 0.50” ID 423 7660182601* Locknut, 0.50”-13NC 524 7248000037 Cable, 0.63” x 250’ 1
7248000079 Cable, 0.63” x 250’ w/Swivel Hook7248000055 Cable, 0.75” x 200’7248000080 Cable, 0.75” x 200’ w/Swivel Hook
* Available in Cable Tie Back Assembly - 3249000038
JD50IND Heavy Duty Wrecker Parts Manual - Page 43 5-376-000145 Rev 0
12
4
3
4
5
6
7
8
9
10
10
1112
1112
13
1314
15
16
17
18
18
19
19
20
212223
23
24
UNDERLIFT WINCH INSTALLATION (OPTIONAL)
JD50IND Heavy Duty Wrecker Parts Manual - Page 44 5-376-000145 Rev 0
CROSSTUBE INSTALLATION
ITEM PART NO. DESCRIPTION QTY
1 3913000094 Crosstube Weldment 12 4691000242 Pin 13 7754000042 Retaining Ring 14 7440300000 Grease Fitting 15 7209000022 Bushing 16 4949000041* Washer, 0.125” Thk 17 4949000042* Washer, 0.63” Thk 2
* Available in Shim Kit - 3577000018
JD50IND Heavy Duty Wrecker Parts Manual - Page 45 5-376-000145 Rev 0
2
3
1
4
5
6
7
CROSSTUBE INSTALLATION
JD50IND Heavy Duty Wrecker Parts Manual - Page 46 5-376-000145 Rev 0
UNDERLIFT TOOLS - FRAME FORKS
ITEM PART NO. DESCRIPTION QTY
1 3007000004 Adapter, Chain Hook 22 7007000056 Adapter, Frame Fork - RH 13 7007000055 Adapter, Frame Fork - LH 14 3178000226 Spring Lift Bracket 25 7454000006 Fork, 3.00” Short 26 7454000005 Fork, 3.00” Medium 27 7454000003 Fork, 4.50” Medium 28 7454000004 Fork, 4.50” Long 29 3551000036 T-Handle 2
10 7691000022 Pin 211 7691000020 Hairpin 212 7691000021 Hitch Pin 213 7262000026 Chain, Tie-Down 2
JD50IND Heavy Duty Wrecker Parts Manual - Page 47 5-376-000145 Rev 0
8
4
5
6
7
1
2 1
3
4
8
5
6
7
9
9
01
01
11
1121
21
21
21
UNDERLIFT TOOLS - FRAME FORKS
Item #13, not shown
JD50IND Heavy Duty Wrecker Parts Manual - Page 48 5-376-000145 Rev 0
UNDERLIFT TOOLS - 14,000 LB TIRE LIFT
ITEM PART NO. DESCRIPTION QTY
1 3484000048* Tire Lift Grid - RH 12 3484000049* Tire Lift Grid - LH 13 3020000120* Tire Lift Arm Weldment - RH 14 3020000119* Tire Lift Arm Weldment - LH 15 3912000038* Tire Lift Tube Weldment 26 7691000026* Hitch Pin 27 4691000274* Pin 28 7691000020* Hairpin 29 7691000021 Hitch Pin 2
10 4561000012* Hook, Pull 111 7894000037* Strap, 2” Wide (Standard - Yellow) 2
7894000041* Strap, 2” Wide (Optional - Orange)12 7894000028* Ratchet, 2” Wide Strap 413 3561000008* Hook, 2” Wide Strap 414 7330000550* Decal 215 7759000004* Rivet 816 7330000278* Decal 2
* Also available as - 2503550088
JD50IND Heavy Duty Wrecker Parts Manual - Page 49 5-376-000145 Rev 0
1
2
3
4
5
5
6
6
7
8
7
8
9
9
01
11
21
31
21
31
41
61
61
41
51
51
UNDERLIFT TOOLS - 14,000 LB TIRE LIFT
JD50IND Heavy Duty Wrecker Parts Manual - Page 50 5-376-000145 Rev 0
UNDERLIFT TOOLS - 25,000 LB TIRE LIFT
ITEM PART NO. DESCRIPTION QTY
1 3484000072^ Tire Lift Grid - LH 12 3484000073^ Tire Lift Grid - RH 13 3020000119^ Tire Lift Arm Weldment - LH 14 3020000120^ Tire Lift Arm Weldment - RH 15 3912000038^ Tire Lift Tube Weldment - 23” Long 26 3912000033^ Tire Lift Tube Weldment - 27.5” Long 27 4691000274^ Pin 28 7691000020^ Hairpin 29 7330000278^ Decal 2
10 7330000550^ Decal 211 7759000004^ Rivet 812 4561000012^ Hook, Pull 113 3561000015* Hook, 3” Wide Strap 414 7894000060* Ratchet, 3” Wide Strap 415 7894000057* Strap, 3” Wide 216 3561000008^ Hook, 2” Wide Strap 417 7894000028^ Ratchet, 2” Wide Strap 418 7894000037^ Strap, 2” Wide 219 7691000021 Hitch Pin 220 7691000026^ Hitch Pin 2
^ Also available as - 2502880300 * Available in Strap Kit - 7577000368
JD50IND Heavy Duty Wrecker Parts Manual - Page 51 5-376-000145 Rev 0
2
1
4
3
56
56
7
7
8
8
20
20
91
91
9
9
01
1111
01
3161
3161
4171
4171
5181
21
UNDERLIFT TOOLS - 25,000 LB TIRE LIFT
JD50IND Heavy Duty Wrecker Parts Manual - Page 52 5-376-000145 Rev 0
UNDERLIFT TOOLS - FIFTH WHEEL ATTACHMENT
ITEM PART NO. DESCRIPTION QTY
1 3178000240* Bracket Weldment 12 3178000499* Bracket, Fifth Wheel Weldment 13 3706000080* Plate Weldment 14 3691000144* Pin 15 3691000145* Pin 16 7118267250* Capscrew, 1.00”-8NC x 9.00” 27 7120000036* Capscrew, 0.75”-10NC x 3.25” 28 7691000025* Pin 2
* Also available as - 2503880033
JD50IND Heavy Duty Wrecker Parts Manual - Page 53 5-376-000145 Rev 0
2
5
4
3 7
8
8
6
6
1
7
UNDERLIFT TOOLS - FIFTH WHEEL ATTACHMENT
JD50IND Heavy Duty Wrecker Parts Manual - Page 54 5-376-000145 Rev 0
UNDERLIFT TOOLS - PINTLE HOOK
1 7561000020 Hitch, Pintle Hook with 2” Dia. Ball 12 7118181250 Capscrew, 0.50”-13NC x 1.50” 43 7950180000 Lockwasher, 0.50” ID 44 7056000003 Ball, 1.88” Dia 1
7056000004 Ball, 2.00” Dia7056000005 Ball, 2.31” Dia7056000006 Ball, 50mm Dia
ITEM PART NO. DESCRIPTION QTY
JD50IND Heavy Duty Wrecker Parts Manual - Page 55 5-376-000145 Rev 0
1
2
3
4
UNDERLIFT TOOLS - PINTLE HOOK
JD50IND Heavy Duty Wrecker Parts Manual - Page 56 5-376-000145 Rev 0
REAR TAIL PLATE INSTALLATION
ITEM PART NO. DESCRIPTION QTY
1 4706006008 Plate - LH 12 4706006009 Plate - RH 13 7759000018 Rivet 8
JD50IND Heavy Duty Wrecker Parts Manual - Page 57 5-376-000145 Rev 0
1
2
3
3
REAR TAIL PLATE INSTALLATION
JD50IND Heavy Duty Wrecker Parts Manual - Page 58 5-376-000145 Rev 0
TAILBOARD D-RING INSTALLATION
ITEM PART NO. DESCRIPTION QTY
1 4754000004 D-Ring 22 3691000176 Pin 23 7950160000 Lockwasher, 0.38” ID 24 7115160650 Capscrew, 0.38”-16NC x 0.75” 25 7440030000 Grease Fitting 26 4949000055 Washer 27 7691000047 Lynch Pin 2
JD50IND Heavy Duty Wrecker Parts Manual - Page 59 5-376-000145 Rev 0
5
8
2
1
1
2
3
4
7
5
6
6
7
3
4
TAILBOARD D-RING INSTALLATION
JD50IND Heavy Duty Wrecker Parts Manual - Page 60 5-376-000145 Rev 0
CONTROLS - CONTROL VALVE INSTALLATION - 6 FUNCTION & 14 FUNCTION
ITEM PART NO. DESCRIPTION QTY
1 3935000180 Control Valve Assy - 6 Function Remote 13935000178 Control Valve Assy - 14 Function Remote
2 7115162850 Capscrew, 0.38”-16NC x 3.50” 43 7950160161 Flatwasher, 0.38” ID 324 7660162601 Locknut, 0.38”-16NC 135 4706005589 Plate 16 7115161450 Capscrew, 0.38”-16NC x 1.75” 37 7115161050 Capscrew, 0.38”-16NC x 1.25” 68 7660160000 Nut, 0.38”-16NC 39 7115140850 Capscrew, 0.25”-20NC x 1.00” 14
10 7590140161 Flatwasher, 0.25” ID 2511 7661000006 Well Nut, 0.25”-20 NC 812 7796000012 Seal 8ft13 7660142601 Locknut, 0.25”-20NC 614 4706005591 Plate 115 4706002643 Plate 116 7701000058 Plug 417 4679000143 Pad, Rubber 118 4679000144 Pad, Rubber 119 7330000199 Decal 120 7330000262 Decal 121 7330000200 Decal 122 7330000253 Decal 123 7330000302 Decal 124 7330000304 Decal 125 7330000299 Decal 126 7330000300 Decal 127 7330000256 Decal 128 7330000257 Decal 129 4706005656 Panel 130 7413000002 Nutsert, 0.25”-20NC 531 7950140000 Lockwasher, 0.25” ID 532 7114140618 Capscrew, 0.25”-20NC x 0.75” 533 4314000208 Coverplate 1
ITEM PART NO. DESCRIPTION QTY
34 4314000209 Coverplate 135 7701000067 Plug 4
JD50IND Heavy Duty Wrecker Parts Manual - Page 61 5-376-000145 Rev 0
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�������OPERATOR'S PRE-TRANSPORT CHECKLIST
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1
2
3
3
3
3
3
3
33
4
4 4
5
6
7
8
99
9
10
10
10
10
10
11
12
13
13
14
15
1718
19 2021
2223 24 2526
2728
29
30
30
31
3132
32
33
34
10
10
35
16
CONTROLS - CONTROL VALVE INSTALLATION - 6 FUNCTION & 14 FUNCTION
JD50IND Heavy Duty Wrecker Parts Manual - Page 62 5-376-000145 Rev 0
CONTROLS - CONTROL VALVE INSTALLATION - 16 FUNCTION
ITEM PART NO. DESCRIPTION QTY
1 3935000218 Control Valve Assy 12 7115162850 Capscrew, 0.38”-16NC x 3.50” 43 7950160161 Flatwasher, 0.38” ID 324 7660162601 Locknut, 0.38”-16NC 135 4706005589 Plate 16 4314000209 Coverplate 17 4314000208 Coverplate 18 7115161450 Capscrew, 0.38”-16NC x 1.75” 39 7115161050 Capscrew, 0.38”-16NC x 1.25” 6
10 7660160000 Nut, 0.38”-16NC 311 7115140850 Capscrew, 0.25”-20NC x 1.00” 1412 7950140161 Flatwasher, 0.25” ID 2513 7661000006 Well Nut, 0.25”-20NC 814 7796000012 Seal 8ft15 7660142601 Locknut, 0.25”-20NC 616 4706005627 Plate 117 4706002643 Plate 118 4679000143 Pad, Rubber 119 4679000144 Pad, Rubber 120 4706005629 Plate 121 7330000199 Decal 122 7330000262 Decal 123 7330000200 Decal 124 7330000253 Decal 125 7330000434 Decal 126 7330000435 Decal 127 7330000299 Decal 128 7330000300 Decal 129 7330000256 Decal 130 7330000257 Decal 131 7114140618 Capscrew, 0.25”-20NC x 0.75” 532 7413000002 Nutsert, 0.25”-20NC 533 7950140000 Lockwasher, 0.25” ID 534 7701000058 Plug 3
ITEM PART NO. DESCRIPTION QTY
35 7701000067 Plug 3
JD50IND Heavy Duty Wrecker Parts Manual - Page 63 5-376-000145 Rev 0
1
2
3
3
3
3
3
3
33
4
44
5
10
12
11
11
12
15
6
7
89
1215
11
12
13
12
14
1617
1819
DN IN300
IN
OUTOUT
BOOMLIFT
WRK BMEXT
FRONTWINCH
UP299
UNTRAINED OPERATORS SUBJECT THEMSELVES AND OTHERS TO DEATHOR SERIOUS INJURY AND MAY CAUSE SERIOUS DAMAGE TO PROPERTY.
199
ONLY AUTHORIZED AND TRAINED PERSONNEL SHOULD BEPERMITTED TO OPERATE THIS WRECKER UNSUPERVISED.
WARNING
262
A MINIMUM OF 5 WRAPS OF CABLE MUST BE LEFTON DRUM TO ACHIEVE RATED LOAD.
NOT TO BE USED IN THE MOVING OR LIFTING OF PERSONS.
WARNINGOPERATOR'S PRE-TRANSPORT CHECKLIST
200
CAUTION
253
TO AVOID BIRDNESTING AND PREMATUREFAILURE OF THE WIRE ROPE ALWAYS KEEPTENSION ON WIRE ROPE WHEN UNWINDING
CAUTION
IN DN NDND435
INDN IN
WINCHDRAG
OUT
LEFTSPADE
OUT
U/LEXT
UPOUT
U/LLIFT
UP UP
U/LTILT
UP
RIGHTSPADE
434
REARWINCH
256
PRESSUREREAR VALVE
FRONT WINCH
FREESPOOL
RELEASED WHEN LIT737
REAR WINCH
FREESPOOL
RELEASED WHEN LIT738
FRONT WINCH
2-SPEED
HIGH SPEED WHEN LIT739
REAR WINCH
2-SPEED
HIGH SPEED WHEN LIT740
U/L WINCH
FREESPOOL
RELEASED WHEN LIT741
U/L WINCH
2-SPEED
HIGH SPEED WHEN LIT831
PRESSUREFRONT VALVE
257
21 2223
2425 26 2728
29 30
12
33 31
32
20
34
35
12
CONTROLS - CONTROL VALVE INSTALLATION - 16 FUNCTION
JD50IND Heavy Duty Wrecker Parts Manual - Page 64 5-376-000145 Rev 0
CONTROLS - PUSH-PULL CABLES INSTALLATION - 6 FUNCTION & 14 FUNCTION
ITEM PART NO. DESCRIPTION QTY
1 3178000260 Bracket Weldment 12 3686000016 Panel Weldment 13 4706002746 Plate 14 4314000210 Coverplate 15 4706005594 Plate 16 4309000001 Coupling - 6 Function Remote 3
4309000001 Coupling - 14 Function Remote 77 4309000007 Coupling - 6 Function Remote 6
4309000007 Coupling - 14 Function Remote 28 4679000119 Pad 19 4679000131 Pad 1
10 4638000003 Brush 111 4411000113 Extrusion, Brush Holder 112 7806000005 Shaft 113 7754000009 Retaining Ring 214 7551000034 Handle 915 7701000058 Plug 416 7248000068 Push-Pull Cable - 14 Function Remote 917 7990000003 Yoke 918 7690141200 Clevis Pin 1819 7690000810 Cotter Pin 1820 7660140230 Nut, 0.25”-28NF 1821 7082000005 Bearing 222 7790141056 Screw, 0.25”-20NC x 0.63” 1323 71111140813 Screw, 0.25”-20NC x 1.00” 1024 7115140650 Capscrew, 0.25”-20NC x 0.75” 325 7115140850 Capscrew, 0.25”-20NC x 1.00” 326 7950140161 Flatwasher, 0.25” ID 2227 7660142601 Locknut, 0.25”-20NC 628 7661000006 Well Nut, 0.25”-20NC 1029 7115161050 Capscrew, 0.38”-16NC x 1.25” 430 7950160161 Flatwasher, 0.38” ID 831 7660162601 Locknut, 0.38”-16NC 432 7330000199 Decal 1
ITEM PART NO. DESCRIPTION QTY
33 7330000262 Decal 134 7330000200 Decal 135 7330000253 Decal 136 7330000703 Decal 137 7330000702 Decal 138 7701000067 Plug 4
JD50IND Heavy Duty Wrecker Parts Manual - Page 65 5-376-000145 Rev 0
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REVIEW THIS CHECKLIST BEFORE EACH TOW. FAILURE TO F OLLOW CHECKLIST
COULD CREATE A DANGEROUS CONDITION FOR YOU, OTHER MOTORISTS AND
PEDESTRIANS, AND MIGHT RESULT IN SERIOUS INJURY OR DEATH.
OPERATOR'S PRE-TRANSPORT CHECKLIST
���
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B
DETAIL B
A
DETAIL A
12
3
4
5
6
6
7
7
8
9
10
11
12
13
13
14
15
16
17
18
18
1817
191918
19
19
20
20
21
21
22
22
23
23
24
25
26
26
26
26
26
26
27
27
28
28
29
30 30
31
32
33
34 35
36
37
38
CONTROLS - PUSH-PULL CABLES INSTALLATION - 6 FUNCTION & 14 FUNCTION
Push-Pull Cable Installation for 12 Function Remote Controller shown
JD50IND Heavy Duty Wrecker Parts Manual - Page 66 5-376-000145 Rev 0
CONTROLS - PUSH-PULL CABLES INSTALLATION - 16 FUNCTION
ITEM PART NO. DESCRIPTION QTY
1 3178000343 Plate, RH Cable Bracket 12 4706003848 Plate 13 4706005628 Plate 14 4309000001 Coupling 85 4679000119 Pad 16 4679000131 Pad 17 4638000003 Brush 18 4411000113 Extrusion, Brush Holder 19 7806000005 Shaft 1
10 7754000009 Retaining Ring 211 7551000033 Handle 1012 4309000007 Coupling 213 7248000068 Push-Pull Cable 1014 7990000003 Yoke 1015 7690141200 Clevis Pin 2016 7690000810 Cotter Pin 2017 7660140230 Nut, 0.25”-28NF 2018 7082000005 Bearing 219 7790141056 Screw, Self Tapping - 0.25”-20NC x 0.63” 320 7115140650 Capscrew, 0.25”-20NC x 0.75” 621 7115140850 Capscrew, 0.25”-20NC x 1.00” 922 7950140161 Flatwasher, 0.25” ID 3123 7660142601 Locknut, 0.25”-20NC 924 7661000006 Well Nut, 0.25”-20NC 625 7115161050 Capscrew, 0.38”-16NC x 1.25” 426 7950160161 Flatwasher, 0.38” ID 827 7660162601 Locknut, 0.38”-16NC 428 7330000199 Decal 129 7330000262 Decal 130 7330000200 Decal 131 7330000253 Decal 132 7330000441 Decal 133 7330000442 Decal 134 7330000443 Decal 1
ITEM PART NO. DESCRIPTION QTY
35 7330000444 Decal 136 4314000211 Plate 137 7413000002 Nutsert, 0.25”-20NC 138 7950140000 Lockwasher, 0.25” ID 139 7114140618 Capscrew, 0.25”-20NC 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 67 5-376-000145 Rev 0
A
DETAIL A
B
DETAIL B
1
2
3
14
5
6
7
8
910
10
11
18
18
12
13
4
15
15
16
16
17
19
20
20
21
21
21
2222
22
22
22
22
22
22
22
22
2223
23
23
24
24
2526
26
27
TO AVOID BIRDNESTING AND PREMATUREFAILURE OF THE WIRE ROPE ALWAYS KEEPTENSION ON WIRE ROPE WHEN UNWINDING
CAUTION
UNTRAINED OPERATORS SUBJECT THEMSELVES AND OTHERS TO DEATHOR SERIOUS INJURY AND MAY CAUSE SERIOUS DAMAGE TO PROPERTY.
199
ONLY AUTHORIZED AND TRAINED PERSONNEL SHOULD BEPERMITTED TO OPERATE THIS WRECKER UNSUPERVISED.
WARNINGREVIEW THIS CHECKLIST BEFORE EACH TOW. FAILURE TO FOLLOW CHECKLIST
COULD CREATE A DANGEROUS CONDITION FOR YOU, OTHER MOTORISTS AND
PEDESTRIANS, AND MIGHT RESULT IN SERIOUS INJURY OR DEATH.
OPERATOR'S PRE-TRANSPORT CHECKLIST
200
CAUTION
262
A MINIMUM OF 5 WRAPS OF CABLE MUST BE LEFTON DRUM TO ACHIEVE RATED LOAD.
NOT TO BE USED IN THE MOVING OR LIFTING OF PERSONS.
WARNING
WRK BMEXT
BOOMLIFT
FRONTWINCH
REARWINCH
LEFTSPADE
TUOTUO UP441
OUT UP
DNIN ININ DN442
DRAGWINCH
U/LLIFT
U/LEXTEND
U/LTILT
RIGHTSPADE
443
UP UPUP OUTOUT
DNINDNINDN444
FRONT WINCH
FREESPOOL
RELEASED WHEN LIT737
REAR WINCH
FREESPOOL
RELEASED WHEN LIT738
FRONT WINCH
2-SPEED
HIGH SPEED WHEN LIT739
REAR WINCH
2-SPEED
HIGH SPEED WHEN LIT740
U/L WINCH
FREESPOOL
RELEASED WHEN LIT741
U/L WINCH
2-SPEED
HIGH SPEED WHEN LIT831
28
29
30
31
32 33
34
35
36
36
37
38
39
1415
16
4
15
16
CONTROLS - PUSH-PULL CABLES INSTALLATION - 16 FUNCTION
Push-Pull Cable Installation for 12 Function Remote Controller shown
JD50IND Heavy Duty Wrecker Parts Manual - Page 68 5-376-000145 Rev 0
CONTROLS - CONTROL VALVE ASSEMBLY - 3935000178 & 3935000180
ITEM PART NO. DESCRIPTION QTY
1 3177000060 Valve Mount Weldment 12 4706005592 Plate 13 3935000185 Valve Assembly - 6 Function Remote 1
7935000304 Valve Assembly - 14 Function Remote4 7912000301* Tube Assembly 15 7912000302* Tube Assembly 16 7912000303* Tube Assembly 17 7912000304* Tube Assembly 18 7912000305* Tube Assembly 19 7912000306* Tube Assembly 2
10 7912000307* Tube Assembly 211 7912000308* Tube Assembly 612 7115152450 Capscrew, 0.31”-18NC x 3.00” 313 7660152601 Locknut, 0.31”-18NC 314 7950140161 Flatwasher, 0.31” ID 315 7445060625 Fitting, Union Bulkhead 116 7443000012 Tee 117 7445121225 Fitting, Union Bulkhead 218 7445161625 Fitting, Union Bulkhead 319 7445080825 Fitting, Union Bulkhead 1420 7445101025 Fitting, Union Bulkhead 421 7445081043 Adapter 1422 7445101043 Adapter 423 7445121243 Adapter 224 7443000211 Elbow 225 7445151243 Adapter 126 7912000309* Tube Assembly 727 7912000310* Tube Assembly 128 7445060645 Elbow 1
* Available in Hydraulic Tubing Kit - 7577000668
JD50IND Heavy Duty Wrecker Parts Manual - Page 69 5-376-000145 Rev 0
1
23
4
5
6
7
8
99
10
10
11 26
2712
13
14
15
16
1717
18
18
18
19
19
19
19
2021
21
2121
22
22
23
23
24
24
25
28
CONTROLS - CONTROL VALVE ASSEMBLY - 3935000178 & 3935000180
JD50IND Heavy Duty Wrecker Parts Manual - Page 70 5-376-000145 Rev 0
ITEM PART NO. DESCRIPTION QTY
1 3177000060 Valve Mount Weldment 12 4706005626 Control Closure 13 7935000374 Valve Assembly 14 7912000301* Tube Assembly 15 7912000302* Tube Assembly 16 7912000303* Tube Assembly 17 7912000304* Tube Assembly 18 7912000305* Tube Assembly 19 7912000306* Tube Assembly 3
10 7912000307* Tube Assembly 311 7912000308* Tube Assembly 712 7115152450 Capscrew, 0.31”-18NC x 3.00” 313 7660152601 Locknut, 0.31”-18NC 314 7950140161 Flatwasher, 0.31” ID 315 7445060625 Fitting, Union Bulkhead 116 7443000012 Tee 117 7445121225 Fitting, Union Bulkhead 218 7445161625 Fitting, Union Bulkhead 319 7445080825 Fitting, Union Bulkhead 1420 7445101025 Fitting, Union Bulkhead 621 7445081043 Adapter 1422 7445101043 Adapter 623 7445121243 Adapter 224 7443000211 Elbow 225 7445151243 Adapter 126 7912000309* Tube Assembly 727 7912000310* Tube Assembly 128 7445060645 Elbow 1
* Available in Hydraulic Tubing Kit - 7577000670
CONTROLS - CONTROL VALVE ASSEMBLY - 3935000218
JD50IND Heavy Duty Wrecker Parts Manual - Page 71 5-376-000145 Rev 0
1
2
3
4
5
6
7
8
99
9
10
10
1011
11
11
26
26
26
27
12
13
14
15
16
1717
18
18
18
19
19
19
1919
19
20
20
20
20
21
21
21
21
21
21
2222
22
23
23
24
24
25
28
CONTROLS - CONTROL VALVE ASSEMBLY - 3935000218
JD50IND Heavy Duty Wrecker Parts Manual - Page 72 5-376-000145 Rev 0
CONTROLS - 6 FUNCTION NON-PROPORTIONAL MIRATRON
ITEM PART NO. DESCRIPTION QTY
1 7295000146 Antenna 12 7552000383 Harness 13 7552000148 Harness 14 7493000014 Grommet 25 7493000011 Grommet 16 7740000001 Relay, 40 Amp 17 7457000011 Relay, 40 Amp 18 7346000068 Dust Cap 19 7114100518 Capscrew, #10-24NC x 0.63” 4
10 7660102604 Locknut, #10-24NC 411 3314000010 Coverplate 212 7950140161 Flatwasher, 0.25” ID 813 7660142601 Locknut, 0.25”-20NC 414 7111140613 Screw, 0.25”-20NC x 0.75” 415 5526000553 Tie Strap 516 7701000007 Plug 117 7701000032 Plug 118 7346000039 Tubing, Heat Shrink 12in19 7661000023 Locknut, #10-32NF 220 7790100856 Screw, Self Tapping - #10 Dia x 0.50" 321 7493000020 Grommet 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 73 5-376-000145 Rev 0
AB
C
ABC
ABC
AUX 2
AUX 1
O/R LIGHTS
BODY MARKERS
CABINET RH
CABINET LH
RIGHT TURN
LEFT TURN
CONTROL
MARKER
FLOOD #2
FLOOD #1
BEACON #2
BEACON #1
SWITCHPANEL
OUTOUT
OUT OUT
OUTIN OUT
G
W
M
BB
AUX 3AUX 3
BACK-UP
IN OUT
IN
RHLH
BEACON 1AUX
AUXHOT 2
AUX 3
O/R LIGHTS
BODY MARKERS
AAC
CONTROL
GROUND
SDD
AUXHOT 1
BEACON 1AUX
AUX 2
Y
P
V
T
A
C
H
EE
F
CC
PAT REWOP SWITCH PANEL
AA
TURN SIGNAL
OUT
IN
I
BB
B
X
J
S
LEFT BODY
HARNESS
RD
FF
U
O
E
LIGHT BAR
M
Q
W
MAIN
HARNESS
L
G
K
N
HARNESS
RIGHT BODY
Z
IN
MARKER
GROUND
DD
RELAY
10 A
1
1
1
2
2
2
3
3
3
4
4
5
6
7
8
901
11
112131
41
51
61
71
81
02
12
91
91
CONTROLS - 6 FUNCTION NON-PROPORTIONAL MIRATRON
JD50IND Heavy Duty Wrecker Parts Manual - Page 74 5-376-000145 Rev 0
CONTROLS - 14 FUNCTION NON-PROPORTIONAL MIRATRON
ITEM PART NO. DESCRIPTION QTY
1 7295000124 Remote Controller 12 7552000364 Harness 13 7552000148 Harness 14 7493000014 Grommet 25 7493000011 Grommet 16 7346000029 In-Line Fuse Holder 17 7457000008 Fuse - 10 Amp 18 7345001714 Electrical Terminal 29 7346000039 Tubing, Heat Shrink 12in
10 7661000023 Locknut, #10-32NF 211 7740000001 Relay, 40 Amp 112 7457000006 Fuse - 15 Amp 113 7894000042 Tie Strap 214 7115141250 Capscrew, 0.25”-20NC x 1.50” 215 7950140161 Flatwasher, 0.25” ID 1216 7660142600 Locknut, 0.25”-20NC 617 3314000010 Coverplate 218 7115140650 Capscrew, 0.25”-20NC x 0.75” 419 7701000007 Plug 120 5526000553 Tie Strap 5
JD50IND Heavy Duty Wrecker Parts Manual - Page 75 5-376-000145 Rev 0
AB
C
ABC
AUX 2
AUX 1
O/R LIGHTS
BODY MARKERS
CABINET RH
CABINET LH
RIGHT TURN
LEFT TURN
CONTROL
MARKER
FLOOD #2
FLOOD #1
BEACON #2
BEACON #1
SWITCHPANEL
OUTOUT
OUT OUT
OUTIN OUT
G
W
M
BB
AUX 3AUX 3
BACK-UP
IN OUT
IN
RHLH
BEACON 1AUX
AUXHOT 2
AUX 3
O/R LIGHTS
BODY MARKERS
AAC
CONTROL
GROUND
SDD
AUXHOT 1
BEACON 1AUX
AUX 2
Y
P
V
T
A
C
H
EE
F
CC
PAT REWOP SWITCH PANEL
AA
TURN SIGNAL
OUT
IN
I
BB
B
X
J
S
LEFT BODY
HARNESS
RD
FF
U
O
E
LIGHT BAR
M
Q
W
MAIN
HARNESS
L
G
K
N
HARNESS
RIGHT BODY
Z
IN
MARKER
GROUND
DD
RELAY
10 A
A01
1
1
1
2
2
2
3
3
3
4
45
367
89
89
9
01
01
11
21
31
415161
516181
71
71
91
CONTROLS - 14 FUNCTION NON-PROPORTIONAL MIRATRON
Item #20, not shown
JD50IND Heavy Duty Wrecker Parts Manual - Page 76 5-376-000145 Rev 0
CONTROLS - 14 & 16 FUNCTION PROPORTIONAL MIRATRON
ITEM PART NO. DESCRIPTION QTY
1 7295000148 Remote Controller 12 7295000146 Antenna 13 7552000441 Harness 14 7552000148 Harness 15 7493000014 Grommet 26 7493000011 Grommet 17 7346000039 Tubing, Heat Shrink 12in8 7740000001 Relay, 40 Amp 19 7457000006 Fuse - 15 Amp 1
10 7894000004 Tie Strap 111 8632000012 Trim 30in12 4178000699 Bracket 113 7950140161 Flatwasher, 0.25” ID 1214 7660142601 Locknut, 0.25”-20NC 1015 7111140813 Screw, 0.25-20N x 1.00” 416 7120000047 Screw, #4-40NC x 0.63” 217 7660040000 Nut, #4-40NC 218 3314000010 Coverplate 219 7111140613 Screw, 0.25”-20NC x 0.75” 420 7115141250 Capscrew, 0.25”-20NC x 1.50” 221 7493000020 Grommet 222 5526000553 Tie Strap 523 7114100518 Capscrew, #10-24NC x 0.63” 424 7660102604 Locknut, #10-24NC 425 7790100856 Screw, 0.25”-20NC x 0.75” 626 7661000023 Locknut, #10-32NF 227 7075000006 Battery 328 7075000003 Battery 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 77 5-376-000145 Rev 0
AB
C
ABC
AUX 2
AUX 1
O/R LIGHTS
BODY MARKERS
CABINET RH
CABINET LH
RIGHT TURN
LEFT TURN
CONTROL
MARKER
FLOOD #2
FLOOD #1
BEACON #2
BEACON #1
SWITCHPANEL
OUTOUT
OUT OUT
OUTIN OUT
G
W
M
BB
AUX 3AUX 3
BACK-UP
IN OUT
IN
RHLH
BEACON 1AUX
AUXHOT 2
AUX 3
O/R LIGHTS
BODY MARKERS
AAC
CONTROL
GROUND
SDD
AUXHOT 1
BEACON 1AUX
AUX 2
Y
P
V
T
A
C
H
EE
F
CC
PAT REWOP SWITCH PANEL
AA
TURN SIGNAL
OUT
IN
I
BB
B
X
J
S
LEFT BODY
HARNESS
RD
FF
U
O
E
LIGHT BAR
M
Q
W
MAIN
HARNESS
L
G
K
N
HARNESS
RIGHT BODY
Z
IN
MARKER
GROUND
DD
RELAY
15 A
ABC
ABC
1
2
12
1
34
3
41
2
5
5
6
4
7
8
9
11
21
314151
314102
6171 81
81
314191
12
22
3242
52
62
62
CONTROLS - 14 & 16 FUNCTION PROPORTIONAL MIRATRON
Items #20, #27 and #28, not shown
JD50IND Heavy Duty Wrecker Parts Manual - Page 78 5-376-000145 Rev 0
CONTROLS - ELECTRICAL EMERGENCY STOP
ITEM PART NO. DESCRIPTION QTY
1 8977010103 Wire, 16GA. - 2 Conductor 40ft2 7346000094 Electrical Connector 13 7346000035 Electrical Terminal 24 7346000037 Seal, Cable 65 7346000087 Electrical Connector 26 7346000099 Electrical Terminal 47 8977500100 Wire, 16GA. Black 3in8 7870000128 Switch, Emergency Pushbutton 29 7870000128 Switch, Emergency Contact Block 2
10 7345001704 Electrical Terminal 311 7346000039 Tubing, Heat Shrink 6in12 7330000755 Decal 213 5526000553 Tie Strap 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 79 5-376-000145 Rev 0
22
12
22
21
EMERGENCYSTOP
557
1
234
789
456
1
0111
0111
1
89
89
21
CONTROLS - ELECTRICAL EMERGENCY STOP
Item #13, not shown
JD50IND Heavy Duty Wrecker Parts Manual - Page 80 5-376-000145 Rev 0
HYDRAULICS - SUPPLY-PRESSURE-RETURN
ITEM PART NO. DESCRIPTION QTY
1 7650100137 Pipe Nipple 12 7444121050 Reducer 13 7635000116 Valve, Ball 14 7444121271 Elbow 15 7443000130 Fitting 16 7274000028 Clamp 17 See Note 1 Hose - Supply 18 7443000222 Fitting 19 7577000213 Split Flange 1
10 7724000044 Pump 111 7115181050 Capscrew, 0.50”-13NC x 1.25” 212 7950180000 Lockwasher, 0.50” ID 213 7445121645 Elbow 214 See Note 1 Hose - Pressure 215 7430000010 Filter, Tank 116 4706003844 Plate 517 7274000071 Clamp 518 7274000040 Clamp 1019 7115140850 Capscrew, 0.25”-20NC x 1.00” 1020 7950140152 Flatwasher, 0.25” ID 1021 7660142601 Locknut, 0.25”-20NC 1022 7115181250 Capscrew, 0.50”-13NC x 1.50” 523 7660000011 Locknut, 0.50”-13NC 524 4178000248 Bracket 1
Note 1: Varies depending on chassis, transmission and PTO type. Consult factory for part numbers.
JD50IND Heavy Duty Wrecker Parts Manual - Page 81 5-376-000145 Rev 0
PMUP
SISSAHC FO TNORF
KNAT
CILUARDYH FO WEIV EDISEMARFBUS NO DLOFINAM
TROPPUS EMARF PYT
51
1
23
4
56
7
8
9
01
1121
31 41
41
12
2232
9102
81
61
71
HYDRAULICS - SUPPLY-PRESSURE-RETURN
Item #24, not shown
JD50IND Heavy Duty Wrecker Parts Manual - Page 82 5-376-000145 Rev 0
HYDRAULICS - LINES AND FITTINGS
ITEM PART NO. DESCRIPTION QTY
1 7470000004 Gauge, Pressure 22 7790060676 Screw, #6 x 0.38” 63 7445040421 Fitting 24 7443000207 Reducer 15 7445040443 Adapter 16 7445060643 Adapter 117 7443000109 Adapter - 2 Piece Wrecker Boom 4
7443000109 Adapter - 3 Piece Wrecker Boom 28 7274000063 Clamp 29 7445060219 Adapter 1
10 7430000004 Filter Assembly 211 7443000150 Adapter 212 7470000002 Gauge, Filter 213 7443000213 Tee 114 7445161672 Elbow 115 7445161622 Union - 3 Piece Wrecker Boom 216 7445161620 Elbow 217 7445080822 Union 218 7445080837 Union 219 7445080843 Adapter 420 7445060645 Elbow 121 4619000006 Manifold 122 7115161650 Capscrew, 0.38”-16NC x 2.00” 223 7950160000 Lockwasher, 0.38” ID 224 7445101032 Fitting 425 7445100843 Adapter 426 7445080825 Union 427 7443000479 Adapter - 3 Piece Wrecker Boom 228 4819000008 Sleeve 229 7894000004 Tie Strap 630 4567113028* Hose Assembly 131 4567112024* Hose Assembly 132 4569133027* Hose Assembly 133 4569132030* Hose Assembly 234 4569133032* Hose Assembly 1
ITEM PART NO. DESCRIPTION QTY
35 4570000138* Hose Assembly 236 4570000301* Hose Assembly 237 4570000313* Hose Assembly 138 4569182025* Hose Assembly 139 4567183040* Hose Assembly 140 4569183054* Hose Assembly 141 4567182029* Hose Assembly 142 4567182024* Hose Assembly 143 4569173038* Hose Assembly 144 4569173026* Hose Assembly 145 4569143028* Hose Assembly 146 4569142025* Hose Assembly 147 4567133032* Hose Assembly 148 4567132031* Hose Assembly 149 4567132043* Hose Assembly 450 4570000244* Hose Assembly 151 4570000245* Hose Assembly 152 4570000246* Hose Assembly 153 4570000247* Hose Assembly 154 4570000166* Hose Assembly 155 4570000192* Hose Assembly 156 4570000174* Hose Assembly 157 4570000173* Hose Assembly 158 4570000248* Hose Assembly 159 4570000180* Hose Assembly 160 4569132034* Hose Assembly 261 4569133035* Hose Assembly 262 4570000177* Hose Assembly 163 4570000176* Hose Assembly 164 4570000167* Hose Assembly 265 4567120017* Hose Assembly 266 4569133029* Hose Assembly 167 4569132028* Hose Assembly 168 4569163024* Hose Assembly 169 4569162024* Hose Assembly 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 83 5-376-000145 Rev 0
HYDRAULICS - LINES AND FITTINGS
ITEM PART NO. DESCRIPTION QTY
70 4569163034* Hose Assembly 171 4569162034* Hose Assembly 172 4569130046* Hose Assembly 273 4569160046* Hose Assembly 474 4567160048* Hose Assembly 475 4570000165* Hose Assembly 276 4567152033* Hose Assembly 177 4567152032* Hose Assembly 178 4567152066* Hose Assembly 179 4567152060* Hose Assembly 180 4570000177+ Hose Assembly - UL530 Underlift 1
4570000336^ Hose Assembly - UL565 Underlift 181 4570000176+ Hose Assembly - UL530 Underlift 1
4570000335^ Hose Assembly - UL565 Underlift 182 4567152033< Hose Assembly - Gear Shift Winch 1
4567152025> Hose Assembly - Motor Shift Winch 183 4567152032< Hose Assembly - Gear Shift Winch 1
4567152024> Hose Assembly - Motor Shift Winch 184 4567152066< Hose Assembly - Gear Shift Winch 1
4567152056> Hose Assembly - Motor Shift Winch 185 4567152060< Hose Assembly - Gear Shift Winch 1
4567152054> Hose Assembly - Motor Shift Winch 1
* Available in Hydraulic Hose Kit - 7577000599 +Available in Hydraulic Hose Kit - 7577000640 ^ Available in Hydraulic Hose Kit - 7577000641 <Available in Hydraulic Hose Kit - 7577000574 >Available in Hydraulic Hose Kit - 7577000573 #Available in Hydraulic Hose Kit - 7577000639 =Available in Hydraulic Hose Kit - 7577000600 ~Available in Hydraulic Hose Kit - 7577000601
ITEM PART NO. DESCRIPTION QTY
86 4567182029# Hose Assembly - w/o Drag Winch 14569180038= Hose Assembly - w/1 Spd Drag Winch 14569180038~ Hose Assembly - w/2 Spd Drag Winch 1
87 4567182024# Hose Assembly - w/o Drag Winch 14569180044= Hose Assembly - w/1 Spd Drag Winch 14569180044~ Hose Assembly - w/2 Spd Drag Winch 1
88 4567133032# Hose Assembly - w/o Drag Winch 14567133032= Hose Assembly - w/1 Spd Drag Winch 14567133032~ Hose Assembly - w/2 Spd Drag Winch 1
89 4567132031# Hose Assembly - w/o Drag Winch 14567132031= Hose Assembly - w/1 Spd Drag Winch 14567132031~ Hose Assembly - w/2 Spd Drag Winch 1
90 4567132043# Hose Assembly - w/o Drag Winch 44567132034= Hose Assembly - w/1 Spd Drag Winch 44567132034~ Hose Assembly - w/2 Spd Drag Winch 4
91 4569162044= Hose Assembly - w/1 SpdDrag Winch 14569162044~ Hose Assembly - w/2 Spd Drag Winch 1
92 4569163044= Hose Assembly - w/1 Spd Drag Winch 14569163044~ Hose Assembly - w/2 Spd Drag Winch 1
93 4569162017= Hose Assembly - w/1 Spd Drag Winch 14569162034~ Hose Assembly - w/2 Spd Drag Winch 1
94 4569162022= Hose Assembly - w/1 Spd Drag Winch 14569163036~ Hose Assembly - w/2 Spd Drag Winch 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 84 5-376-000145 Rev 0
1.00 1.00
"B" PORT
"A" PORT
1.00 1.00
PRESSURE TO "A"
PRESSURE TO "B"
RET
EXT
EXT
RET#6
#6LH SPADE
RH SPADEPRESSURE FRONT
PRESSURE REAR0.75
0.75
U/L TILT - DOWN
DRAG WINCH - OUT
DRAG WINCH - IN
WRKR BOOM LIFT - UP
WRKR BOOM LIFT - DOWN
R WINCH - OUT
R WINCH - IN
F WINCH - OUT
F WINCH - IN
WRKR BOOM EXT - OUT
WRKR BOOM EXT - IN
RETURN, OUTLET
RETURN, INLET/MID-INLET
PRESSURE, MID-INLET
PRESSURE, INLET
0.62
0.62
0.62
0.62
0.62
0.75
0.75
WRK BOOM EXT IN
WRK BOOM EXT OUT0.62
0.62
0.62
0.62
0.62
0.62
F WINCH OUT
F WINCH IN
R WINCH IN
R WINCH OUT
U/L EXT IN
U/L EXT OUT
U/L TILT DN
U/L TILT UP
A
A
VIEW A-A
BODY
P
T
P
T
T
UP OUTPUPU OUT
INDN DNDNIN
OUTOUT UP
DNIN IN
PRESSURE TO "A"
PRESSURE TO "B"
UP OUT
DN IN
DRAGWINCH
U/LLIFT
U/L EXT - OUT
U/L EXT - IN
U/L TILT - UP
0.62
0.62
DRAG WINCH IN
DRAG WINCH OUT
0.50 WRK BOOM LIFT UP
0.50 WRK BOOM LIFT DN
0.62
RETURN REAR
RETURN FRONT
0.62
0.62
PILOT DRAIN
FRONTWINCH
BOOMLIFT
WRK BMEXT
REARWINCH
LEFTSPADE
RIGHTSPADE
U/LEXT
U/LTILT
7
6
35
36
33
34
33
3235
36
6
7
434446
40
4045
3938
13
14
37
8
31
3
1
2
5
1
2
3
304
HYDRAULICS - LINES AND FITTINGS
JD50IND Heavy Duty Wrecker Parts Manual - Page 85 5-376-000145 Rev 0
HYDRAULICS - LINES AND FITTINGS
DRAG WINCH OUT
DRAG WINCH IN
0.62
0.62
0.62
0.62
PRESSURE FRONT
PRESSURE REAR0.75
0.75
0.62
0.62
0.62
0.62
0.62
0.62
0.75
0.75
WRK BOOM EXT IN
WRK BOOM EXT OUT0.62
0.62
0.62
0.62
0.62
0.62
F WINCH OUT
F WINCH IN
R WINCH IN
R WINCH OUT
A
A
EXT
RET
#6
#6
#6
#6
RE
T
EX
T
U/L TILTU
/L E
XT
U/L TILT - DOWN
DRAG WINCH - OUT
DRAG WINCH - IN
WRKR BOOM LIFT - UP
WRKR BOOM LIFT - DOWN
R WINCH - OUT
R WINCH - IN
F WINCH - OUT
F WINCH - IN
WRKR BOOM EXT - OUT
WRKR BOOM EXT - IN
RETURN, OUTLET
RETURN, INLET/MID-INLET
PRESSURE, MID-INLET
PRESSURE, INLET
VIEW A-A
BODY
U/L EXT - OUT
U/L EXT - IN
U/L TILT - UP
PRESSURE TO "A"
PRESSURE TO "B"
P
T
P
T
T
UP OUTPUPU OUT
INDN DNDNIN
OUTOUT UP
DNIN IN
PRESSURE TO "A"
PRESSURE TO "B"
UP OUT
DN IN
DRAGWINCH
U/LLIFT
"B" PORT
"A" PORT
WRK BOOM LIFT UP0.50
WRK BOOM LIFT DN0.50 0.50
RETURN FRONT
RETURN REAR
U/L EXT IN
U/L EXT OUT
U/L TILT DN
U/L TILT UP
EXT
RET
#6 U/L LIFT
0.50
0.50
0.50
0.50
0.50
0.50
0.50
0.50
1.00
1.00
1.00
1.00
0.50
#8
FRONTWINCH
BOOMLIFT
WRK BMEXT
REARWINCH
LEFTSPADE
RIGHTSPADE
U/LEXT
U/LTILT
6 6
65
65
6
6
21 2223
64
64
6
6
80
81
20
6
54
55
60
61
26
26
58
59 26
56
57
61
605657
58
59
50
51
52
53
55
54
JD50IND Heavy Duty Wrecker Parts Manual - Page 86 5-376-000145 Rev 0
HYDRAULICS - LINES AND FITTINGS
JD50IND Heavy Duty Wrecker Parts Manual - Page 87 5-376-000145 Rev 0
HYDRAULIC
RESERVOIR
1.00 1.00
1.00 1.00
PRESSURE FRONT
PRESSURE REAR0.75
0.75
U/L TILT - DOWN
DRAG WINCH - OUT
DRAG WINCH - IN
WRKR BOOM LIFT - UP
WRKR BOOM LIFT - DOWN
R WINCH - OUT
R WINCH - IN
F WINCH - OUT
F WINCH - IN
WRKR BOOM EXT - OUT
WRKR BOOM EXT - IN
RETURN, OUTLET
RETURN, INLET/MID-INLET
PRESSURE, MID-INLET
PRESSURE, INLET
WRK BOOM EXT IN
WRK BOOM EXT OUT0.62
0.62
0.62
0.62
0.62
0.62
F WINCH OUT
F WINCH IN
R WINCH IN
R WINCH OUT
U/L EXT IN
U/L EXT OUT
U/L TILT DN
U/L TILT UP
A
A
VIEW A-A
BODY
U/L EXT - OUT
U/L EXT - IN
U/L TILT - UP
0.62
0.62
DRAG WINCH IN
DRAG WINCH OUT
0.50 WRK BOOM LIFT UP
0.50 WRK BOOM LIFT DN
RETURN REAR
RETURN FRONT
0.62
0.62
HYDRAULIC
RESERVOIR
1.00 1.00
1.00 1.00
PRESSURE FRONT
PRESSURE REAR0.75
0.75
U/L TILT - DOWN
DRAG WINCH - OUT
DRAG WINCH - IN
WRKR BOOM LIFT - UP
WRKR BOOM LIFT - DOWN
R WINCH - OUT
R WINCH - IN
F WINCH - OUT
F WINCH - IN
WRKR BOOM EXT - OUT
WRKR BOOM EXT - IN
RETURN, OUTLET
RETURN, INLET/MID-INLET
PRESSURE, MID-INLET
PRESSURE, INLET
WRK BOOM EXT IN
WRK BOOM EXT OUT0.62
0.62
0.62
0.62
0.62
0.62
F WINCH OUT
F WINCH IN
R WINCH IN
R WINCH OUT
U/L EXT IN
U/L EXT OUT
U/L TILT DN
U/L TILT UP
A
A
VIEW A-A
BODY
U/L EXT - OUT
U/L EXT - IN
U/L TILT - UP
0.62
0.62
DRAG WINCH IN
DRAG WINCH OUT
0.50 WRK BOOM LIFT UP
0.50 WRK BOOM LIFT DN
RETURN REAR
RETURN FRONT
0.62
0.62
PILOT DRAIN
PIL
OT
DR
AIN
RETURN W/ODRAG WINCH
RETURN W/DRAG WINCH
12
11
10
9
16
37
86
87
15
86 87
37
16
16
9
10
11
12
HYDRAULICS - LINES AND FITTINGS
JD50IND Heavy Duty Wrecker Parts Manual - Page 88 5-376-000145 Rev 0
1.00 1.00
1.00 1.00
PRESSURE FRONT
PRESSURE REAR0.75
0.75
0.62
0.62
0.62
0.62
0.62
0.75
0.75
WRK BOOM EXT IN
WRK BOOM EXT OUT0.62
0.62
0.62
0.62
0.62
0.62
F WINCH OUT
F WINCH IN
R WINCH IN
R WINCH OUT
U/L EXT IN
U/L EXT OUT
U/L TILT DN
U/L TILT UP
A
A
0.62
0.62
DRAG WINCH IN
DRAG WINCH OUT
0.50 WRK BOOM LIFT UP
0.50 WRK BOOM LIFT DN
0.62
RETURN REAR
RETURN FRONT
W/B LIFT
RET
EXT
#8
RET
EXT
#8
W/B LIFT
0.62
0.62
PILOT DRAIN
1.00 1.00
1.00 1.00
PRESSURE FRONT
PRESSURE REAR0.75
0.75
0.62
0.62
0.62
0.62
0.62
0.75
0.75
WRK BOOM EXT IN
WRK BOOM EXT OUT0.62
0.62
0.62
0.62
0.62
0.62
F WINCH OUT
F WINCH IN
R WINCH IN
R WINCH OUT
U/L EXT IN
U/L EXT OUT
U/L TILT DN
U/L TILT UP
A
A
0.62
0.62
DRAG WINCH IN
DRAG WINCH OUT
0.50 WRK BOOM LIFT UP
0.50 WRK BOOM LIFT DN
0.62
RETURN REAR
RETURN FRONT
W/B LIFT
RET
EXT
#8
RET
EXT
#8
W/B LIFT
0.62
0.62
PILOT DRAIN
U/L TILT - DOWN
DRAG WINCH - OUT
DRAG WINCH - IN
WRKR BOOM LIFT - UP
WRKR BOOM LIFT - DOWN
R WINCH - OUT
R WINCH - IN
F WINCH - OUT
F WINCH - IN
WRKR BOOM EXT - OUT
WRKR BOOM EXT - IN
RETURN, OUTLET
RETURN, INLET/MID-INLET
PRESSURE, MID-INLET
PRESSURE, INLET
VIEW A-A
BODY
U/L EXT - OUT
U/L EXT - IN
U/L TILT - UP
19
90
1888
19
90
19
90
18
89
89
88
19
19
18
19
19
18
90
90
90
88
89
88
89
17
HYDRAULICS - LINES AND FITTINGS
JD50IND Heavy Duty Wrecker Parts Manual - Page 89 5-376-000145 Rev 0
A
A
PRESSURE TO "A"
PRESSURE TO "B"
P
T
P
T
T
UP OUTPUPU OUT
INDN DNDNIN
OUTOUT UP
DNIN IN
PRESSURE TO "A"
PRESSURE TO "B"
UP OUT
DN IN
DRAGWINCH
U/LLIFT
"B" PORT
"A" PORT
U/L EXT OUT
U/L TILT DN
U/L TILT UP
U/L EXT IN
1.00 1.00
1.00 1.00
PRESSURE FRONT
PRESSURE REAR0.75
0.75
0.62
0.62
0.62
0.62
0.62
0.75
0.75
WRK BOOM EXT IN
WRK BOOM EXT OUT0.62
0.62
0.62
0.62
0.62
0.62
F WINCH OUT
F WINCH IN
R WINCH IN
R WINCH OUT
0.62
0.62
DRAG WINCH IN
DRAG WINCH OUT
0.50 WRK BOOM LIFT UP
0.50 WRK BOOM LIFT DN
0.62
RETURN REAR
RETURN FRONT
0.62
0.62
U/L TILT - DOWN
DRAG WINCH - OUT
DRAG WINCH - IN
WRKR BOOM LIFT - UP
WRKR BOOM LIFT - DOWN
R WINCH - OUT
R WINCH - IN
F WINCH - OUT
F WINCH - IN
WRKR BOOM EXT - OUT
WRKR BOOM EXT - IN
RETURN, OUTLET
RETURN, INLET/MID-INLET
PRESSURE, MID-INLET
PRESSURE, INLET
VIEW A-A
BODY
U/L EXT - OUT
U/L EXT - IN
U/L TILT - UP
#8
1 - SPEEDDRAG WINCHOVER WOUNDCW - CABLE IN
A
A
PRESSURE TO "A"
PRESSURE TO "B"
P
T
P
T
T
UP OUTPUPU OUT
INDN DNDNIN
OUTOUT UP
DNIN IN
PRESSURE TO "A"
PRESSURE TO "B"
UP OUT
DN IN
DRAGWINCH
U/LLIFT
"B" PORT
"A" PORT
U/L EXT OUT
U/L TILT DN
U/L TILT UP
U/L EXT IN
1.00 1.00
1.00 1.00
PRESSURE FRONT
PRESSURE REAR0.75
0.75
0.62
0.62
0.62
0.62
0.62
0.75
0.75
WRK BOOM EXT IN
WRK BOOM EXT OUT0.62
0.62
0.62
0.62
0.62
0.62
F WINCH OUT
F WINCH IN
R WINCH IN
R WINCH OUT
0.62
0.62
DRAG WINCH IN
DRAG WINCH OUT
0.50 WRK BOOM LIFT UP
0.50 WRK BOOM LIFT DN
0.62
RETURN REAR
RETURN FRONT
0.62
0.62
F F
2 - SPEEDDRAG WINCHOVER WOUNDCW - CABLE IN
#8
VIEW F-F
DRAG WINCH PORTS 2 - SPEED
CAB
CABLE IN - V1 CABLE OUT - V2
CABLE IN - V2 CABLE OUT - V1
U/LTILT
U/LEXT
RIGHTSPADE
LEFTSPADE
REARWINCH
WRK BMEXT
BOOMLIFT
FRONTWINCH
U/LTILT
U/LEXT
RIGHTSPADE
LEFTSPADE
REARWINCH
WRK BMEXT
BOOMLIFT
FRONTWINCH
91
92
2593 94
2593
94
9394
91
92
HYDRAULICS - LINES AND FITTINGS
JD50IND Heavy Duty Wrecker Parts Manual - Page 90 5-376-000145 Rev 0
DRIVER SIDE HYDRAULIC PRESSURE GAUGES - WITHOUT UNDERLIFT WINCH (STANDARD)
ITEM PART NO. DESCRIPTION QTY
1 7443000026 Tee 22 4567110141 Hose Assembly 23 7445040421 Fitting 24 7470000004 Gauge, Pressure 25 7790060676 Screw, #6 x 0.38” 66 7330000257 Decal - Pressure Front Valve 17 7330000256 Decal - Pressure Rear Valve 18 4706005127 Plate 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 91 5-376-000145 Rev 0
DDRIVER SIDE HYDRAULIC PRESSURE GAUGES - WITHOUT UNDERLIFT WINCH (STANDARD)
PRESSUREFRONT VALVE
652652
PRESSUREREAR VALVE
PASSENGER SIDE GAUGEPASSENGER SIDE GAUGE
1
1
2
2
33
45
45
8
PASSENGER SIDECONTROL VALVE
6
7
JD50IND Heavy Duty Wrecker Parts Manual - Page 92 5-376-000145 Rev 0
DRIVER SIDE HYDRAULIC PRESSURE GAUGES - WITH UNDERLIFT WINCH (OPTIONAL)
ITEM PART NO. DESCRIPTION QTY
1 7443000026 Tee 22 4567110141 Hose Assembly 23 7445040421 Fitting 24 7470000004 Gauge, Pressure 25 7790060676 Screw, #6 x 0.38” 66 7330000257 Decal - Pressure Front Valve 17 7330000256 Decal - Pressure Rear Valve 18 4314000215 Coverplate 19 7115140850 Capscrew, 0.25”-20NC x 1.00” 1
10 7950140161 Flatwasher, 0.25” ID 211 7661000006 Nut, Well 212 7114140618 Capscrew, 0.25”-20NC x 0.75” 113 7413000002 Nutsert, 0.25”-20NC 114 7950140000 Lockwasher, 0.25” ID 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 93 5-376-000145 Rev 0
DRIVER SIDE HYDRAULIC PRESSURE GAUGES - WITH UNDERLIFT WINCH (OPTIONAL)
256
PRESSUREREAR VALVE
257
PRESSUREFRONT VALVE
1
1
22
33
45
45
6 8
7
10121314
91011
JD50IND Heavy Duty Wrecker Parts Manual - Page 94 5-376-000145 Rev 0
PASSENGER SIDE WINCH AIR CONTROLS - 2 SPD GEAR SHIFT
1 7443000154 Bushing 12 7443000155 Elbow 13 7443000156 Nipple 24 7443000152 Plug 15 7443000139 Elbow 86 7935000120 Valve, Pressure Protection 17 7443000175 Fitting 28 7295000029 Air Regulator 19 7443000066 Fitting 1
10 7470000006 Gauge, Air Pressure 111 7444020013 Plug 212 7443000173 Elbow 1013 7446502518 Fitting, Bulkhead 114 7312000017 Coupling 115 7443000176 Fitting 216 7443000174 Tee 217 7565000016 Airline, Tubing 0.25 OD 150ft18 7565000014 Airline, Tubing 0.38 OD 25ft19 7443000149 Bushing 120 7443000178 Union 621 7935000136 Valve, Air 422 4619000005 Manifold 123 7660142601 Locknut, 0.25”-20NC 224 7115142450 Capscrew, 0.25”-20NC x 3.00” 225 7950140161 Flatwasher, 0.25” ID 426 7443000270 Tee 127 4811001135 Sheet 128 7114140518 Capscrew, 0.25”-20NC x 0.62” 429 7660142604 Locknut, 0.25”-20NC 430 7330000840 Decal - Front Winch Freespool 131 7330000841 Decal - Rear Winch Freespool 132 7330000842 Decal - Front Winch 2 Speed 133 7330000843 Decal - Rear Winch 2 Speed 1
ITEM PART NO. DESCRIPTION QTY
JD50IND Heavy Duty Wrecker Parts Manual - Page 95 5-376-000145 Rev 0
PASSENGER SIDE WINCH AIR CONTROLS - 2 SPD GEAR SHIFT
F. 2-SPEED
R. 2-SPEED
IN
EXTCYL
F. FREESPOOL
R. FREESPOOL
IN
EXTCYL
F.
FR
EE
SP
OO
L
F.
2-S
PE
ED
R.
FR
EE
SP
OO
L
R.
2-S
PE
ED
IN
EXTCYL! CAUTION !
2 SPEED
F. TENSIONER
R. TENSIONER
F. 2-SPEED
R. 2-SPEED
F. FREESPOOL
R. FREESPOOL
F. TENSIONER
R. TENSIONER
IN
EXTCYL
FRONT WINCH REAR WINCH
FREESPOOL
REGULATOR SETTING40-50 PSI
REAR WINCHREF
FRONT WINCHREF
SECONDARY
AIR SUPPLY
AIR TANK MUST BE
EVACUATED BEFORE
INSTALLING AIR CIRCUIT
1
2
34
5 17
7 186
10
919
18
12 21
18
121221
11
5
2425
2325
223
826
29
713 28
14
28
27
20 16
12
5
15
21 21
5
OUTOUT
BOOMLIFT
WRK BMEXT
FRONTWINCH
UP299
REAR WINCH
2-SPEED
PULL - HIGH SPEED843
FRONT WINCH
2-SPEED
PULL - HIGH SPEED842841
REAR WINCH
FREESPOOL
PULL TO RELEASE840
IN DN NDND435
INDN IN
FRONT WINCH
FREESPOOL
PULL TO RELEASE
PRESSUREFRONT VALVE
257
WINCHDRAG
OUT
LEFTSPADE
OUT
U/LEXT
UPOUT
U/LLIFT
UP UP
U/LTILT
UP
RIGHTSPADE
434
REARWINCH
DN IN300
IN
253
TO AVOID BIRDNESTING AND PREMATUREFAILURE OF THE WIRE ROPE ALWAYS KEEPTENSION ON WIRE ROPE WHEN UNWINDING
CAUTION
OPERATOR'S PRE-TRANSPORT CHECKLIST
200
CAUTION
UNTRAINED OPERATORS SUBJECT THEMSELVES AND OTHERS TO DEATHOR SERIOUS INJURY AND MAY CAUSE SERIOUS DAMAGE TO PROPERTY.
199
ONLY AUTHORIZED AND TRAINED PERSONNEL SHOULD BEPERMITTED TO OPERATE THIS WRECKER UNSUPERVISED.
WARNING
262
A MINIMUM OF 5 WRAPS OF CABLE MUST BE LEFTON DRUM TO ACHIEVE RATED LOAD.
NOT TO BE USED IN THE MOVING OR LIFTING OF PERSONS.
WARNING
256
PRESSUREREAR VALVE
17
RH SIDE CONTROL COVERPLATE
30 32
31
33
JD50IND Heavy Duty Wrecker Parts Manual - Page 96 5-376-000145 Rev 0
DRIVER & PASSENGER SIDE WINCH AIR CONTROLS - DP 50K, 2 SPD GEAR SHIFT
ITEM PART NO. DESCRIPTION QTY
1 7443000154 Bushing 12 7443000155 Elbow 13 7443000156 Nipple 14 7935000120 Valve, Pressure Protection 15 7443000152 Plug 116 7443000139 Elbow 87 7443000175 Fitting 28 7565000014 Airline, Tubing 0.38 OD 25ft9 7446502518 Fitting, Bulkhead 1
10 7312000017 Coupling 111 7565000016 Airline, Tubing 0.25 OD 300ft12 7443000178 Union 3113 7443000329 Fitting 814 7443000173 Elbow 3415 7935000351 Valve, Air 1016 7295000029 Air Regulator 117 7470000006 Gauge, Air Pressure 118 7443000174 Tee 419 7443000146 Elbow 120 4619000005 Manifold 121 7115142450 Capscrew, 0.25”-20NC x 3.00” 222 7660142601 Locknut, 0.25”-20NC 223 7950140161 Flatwasher, 0.25” ID 424 7443000287 Tee 525 7443000243 Fitting, Bulkhead 526 7444020014 Plug 227 7443000176 Fitting 228 7330000737 Decal - Front Winch Freespool 229 7330000738 Decal - Rear Winch Freespool 230 7330000739 Decal - Front Winch 2 Speed 231 7330000740 Decal - Rear Winch 2 Speed 232 7661000041 Nut, Panel 133 7330000741 Decal - U/L Winch Freespool 234 7443000448 Fitting 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 97 5-376-000145 Rev 0
DRIVER & PASSENGER SIDE WINCH AIR CONTROLS - DP 50K, 2 SPD GEAR SHIFT
! CAUTION !AIR TANK MUST BE EVACUATED BEFORE
INSTALLING AIR CIRCUIT
1/4NPT
1/2 NPT
SECONDARY
AIR SUPPLY
1/4 NPT
PLUG (FS)INCLUDED W/ ITEM 4
1/8NPT
1/8NPT
1/4NPT
1/4NPT
IN "1" OUT "2"WITH SWITCH INSHOWN POSITION 4
12
5
3 1/8NPT
7-935-351
IN "1" OUT "2"WITH SWITCH INSHOWN POSITION 4
12
5
3 1/8NPT
7-935-351
IN "1" OUT "2"WITH SWITCH INSHOWN POSITION 4
12
5
3 1/8NPT
7-935-351
IN "1" OUT "2"WITH SWITCH INSHOWN POSITION 4
12
5
3 1/8NPT
7-935-351
F. TENSIONER
F. FREESPOOL
R. FREESPOOL
F. 2-SPEED
R. 2-SPEED U/L FREESPOOL
U/L TENSIONER
TO WRECKER BOOM
TO U/L
R. TENSIONER
R. FREESPOOL
LOOPSEERF .RLOOPSEERF .F
DEEPS-2 .RDEEPS-2 .F
U/L FREESPOOL
LOOPSEERF .RLOOPSEERF .F
DEEPS-2 .RDEEPS-2 .F
U/L FREESPOOL
#1
#2
#3
#4
#5 #9
#10
#11
#12
#13
#8
#2
#3
#4
#5 #9
#10
#11
#12
#13
#8
#14
#15
#16
#17 #18
#6
#7
#2
#3
#4
#5
#8
#9
#10
#11
#12
#13
#2
#3
#4
#5
#8
#9
#10
#11
#12
#13
RH BODY
SCHEMATIC
LH BODY
SCHEMATIC
IN "1" OUT "2"WITH SWITCH INSHOWN POSITION 4
12
5
3 1/8NPT
7-935-351
2
4
7-935-351
1/8NPT
IN "1" OUT "2"WITH SWITCH INSHOWN POSITION
3
1
5
2
4
7-935-351
1/8NPT
IN "1" OUT "2"WITH SWITCH INSHOWN POSITION
3
1
5
2
4
7-935-351
1/8NPT
IN "1" OUT "2"WITH SWITCH INSHOWN POSITION
3
1
5
2
4
7-935-351
1/8NPT
IN "1" OUT "2"WITH SWITCH INSHOWN POSITION
3
1
5
2
4
7-935-351
1/8NPT
IN "1" OUT "2"WITH SWITCH INSHOWN POSITION
3
1
5
AT REAR TAILBOARD
1
2 3 4 7
56 11
17
19
18
16
6
11
12 12
34 11 20 212223
13
6
26 6
14
14
14 1511
12 12
15
15
15
14
14
14
14
11 11
8
7 9
10
8
12 1225
24
13
24
13
15
15
1511
5
5
5
514
14
14
14
5
155
5
5
1414
14
1111
14
11
32
JD50IND Heavy Duty Wrecker Parts Manual - Page 98 5-376-000145 Rev 0
11
12 18
14
6 27
14
18
1412 11
F. TENSIONER
R. TENSIONER
F. FREESPOOL
R. FREESPOOL
F. 2-SPEED
R. 2-SPEED
WRECKER BOOM
- DP 50K WINCHES
#14
#16
#7
#6
#15
#17
U/L FREESPOOL
U/L TENSIONER
U/L DRAG
- DP 35K WINCH
#7
#18
DRIVER & PASSENGER SIDE WINCH AIR CONTROLS - DP 50K, 2 SPD GEAR SHIFT
JD50IND Heavy Duty Wrecker Parts Manual - Page 99 5-376-000145 Rev 0
DRIVER & PASSENGER SIDE WINCH AIR CONTROLS - DP 50K, 2 SPD GEAR SHIFT
OUTOUT
BOOMLIFT
WRK BMEXT
FRONTWINCH
UP299
HIGH SPEED WHEN LIT831
U/L WINCH
2-SPEED
741
U/L WINCH
FREESPOOL
RELEASED WHEN LIT
REAR WINCH
2-SPEED
HIGH SPEED WHEN LIT740
FRONT WINCH
2-SPEED
HIGH SPEED WHEN LIT739738
REAR WINCH
FREESPOOL
RELEASED WHEN LIT737
IN DN NDND435
INDN IN
FRONT WINCH
FREESPOOL
RELEASED WHEN LIT
256
PRESSUREREAR VALVE
PRESSUREFRONT VALVE
257
WINCHDRAG
OUT
LEFTSPADE
OUT
U/LEXT
UPOUT
U/LLIFT
UP UP
U/LTILT
UP
RIGHTSPADE
434
REARWINCH
DN IN300
IN
253
TO AVOID BIRDNESTING AND PREMATUREFAILURE OF THE WIRE ROPE ALWAYS KEEPTENSION ON WIRE ROPE WHEN UNWINDING
CAUTION
OPERATOR'S PRE-TRANSPORT CHECKLIST
200
CAUTION
UNTRAINED OPERATORS SUBJECT THEMSELVES AND OTHERS TO DEATHOR SERIOUS INJURY AND MAY CAUSE SERIOUS DAMAGE TO PROPERTY.
199
ONLY AUTHORIZED AND TRAINED PERSONNEL SHOULD BEPERMITTED TO OPERATE THIS WRECKER UNSUPERVISED.
WARNING
262
A MINIMUM OF 5 WRAPS OF CABLE MUST BE LEFTON DRUM TO ACHIEVE RATED LOAD.
NOT TO BE USED IN THE MOVING OR LIFTING OF PERSONS.
WARNING
29
31
28
30
DECAL INSTALLATIONUNITS WITH AND WITHOUT U/L DRAG WINCH
RH CONTROL STATION
740
HIGH SPEED WHEN LIT
REAR WINCH
2-SPEED
738
RELEASED WHEN LIT
REAR WINCH
FREESPOOL
739
HIGH SPEED WHEN LIT
FRONT WINCH
2-SPEED
737
RELEASED WHEN LIT
FRONT WINCH
FREESPOOL
UNTRAINED OPERATORS SUBJECT THEMSELVES AND OTHERS TO DEATHOR SERIOUS INJURY AND MAY CAUSE SERIOUS DAMAGE TO PROPERTY.
199
ONLY AUTHORIZED AND TRAINED PERSONNEL SHOULD BEPERMITTED TO OPERATE THIS WRECKER UNSUPERVISED.
WARNING
BOOMLIFT
DNIN DNDN
REARWINCH
DN
RIGHTSPADE
LEFTSPADE
IN
U/LTILT
FRONTWINCH
IN
U/LEXT
INDN
U/LLIFT
WRK BMEXT
xxx
UPPUTUO UPOUT UP OUT OUT UP
262
A MINIMUM OF 5 WRAPS OF CABLE MUST BE LEFTON DRUM TO ACHIEVE RATED LOAD.
NOT TO BE USED IN THE MOVING OR LIFTING OF PERSONS.
WARNING
REVIEW THIS CHECKLIST BEFORE EACH TOW. FAILURE TO FOLLOW CHECKLIST
COULD CREATE A DANGEROUS CONDITION FOR YOU, OTHER MOTORISTS AND
PEDESTRIANS, AND MIGHT RESULT IN SERIOUS INJURY OR DEATH.
OPERATOR'S PRE-TRANSPORT CHECKLIST
200
CAUTION
TO AVOID BIRDNESTING AND PREMATUREFAILURE OF THE WIRE ROPE ALWAYS KEEPTENSION ON WIRE ROPE WHEN UNWINDING
CAUTION
DECAL INSTALLATIONUNITS WITHOUT U/L DRAG WINCH
LH CONTROL STATION
28
30
29 31
831
HIGH SPEED WHEN LIT
U/L WINCH
2-SPEED
741
RELEASED WHEN LIT
U/L WINCH
FREESPOOL
740
HIGH SPEED WHEN LIT
REAR WINCH
2-SPEED
739
HIGH SPEED WHEN LIT
FRONT WINCH
2-SPEED
738
RELEASED WHEN LIT
REAR WINCH
FREESPOOL
737
RELEASED WHEN LIT
FRONT WINCH
FREESPOOL
DNINDNINDN444
DRAGWINCH
U/LLIFT
U/LEXTEND
U/LTILT
RIGHTSPADE
443
UP UPUP OUTOUT
DNIN ININ DN442
WRK BMEXT
BOOMLIFT
FRONTWINCH
REARWINCH
LEFTSPADE
TUOTUO UP441
OUT UP
262
A MINIMUM OF 5 WRAPS OF CABLE MUST BE LEFTON DRUM TO ACHIEVE RATED LOAD.
NOT TO BE USED IN THE MOVING OR LIFTING OF PERSONS.
WARNINGREVIEW THIS CHECKLIST BEFORE EACH TOW. FAILURE TO FOLLOW CHECKLIST
COULD CREATE A DANGEROUS CONDITION FOR YOU, OTHER MOTORISTS AND
PEDESTRIANS, AND MIGHT RESULT IN SERIOUS INJURY OR DEATH.
OPERATOR'S PRE-TRANSPORT CHECKLIST
200
CAUTION
UNTRAINED OPERATORS SUBJECT THEMSELVES AND OTHERS TO DEATHOR SERIOUS INJURY AND MAY CAUSE SERIOUS DAMAGE TO PROPERTY.
199
ONLY AUTHORIZED AND TRAINED PERSONNEL SHOULD BEPERMITTED TO OPERATE THIS WRECKER UNSUPERVISED.
WARNING
TO AVOID BIRDNESTING AND PREMATUREFAILURE OF THE WIRE ROPE ALWAYS KEEPTENSION ON WIRE ROPE WHEN UNWINDING
CAUTION28
30
29
31
DECAL INSTALLATIONUNITS WITH U/L DRAG WINCH
LH CONTROL STATION
33
33
JD50IND Heavy Duty Wrecker Parts Manual - Page 100 5-376-000145 Rev 0
WINCH ELECTRIC SPEED/FREE SPOOL CONTROLS - DP 50K, 2 SPD
ITEM PART NO. DESCRIPTION QTY
1 7870000136 Pressure Switch 52 7590000364 Light 103 7346000039 Tubing, Heat Shrink 15in4 7552000414 Harness 15 7552000415 Harness 16 7457000019 Fuse, 5 Amp 1
JD50IND Heavy Duty Wrecker Parts Manual - Page 101 5-376-000145 Rev 0
ABCDEF
ABCDEF
FUSEAA
POWER TAP
BEACON #1
BEACON #2
FLOOD #2
CONTROL
MARKER
FLOOD #1
LEFT TURN
BOOM UP
W/L TILT UP
W/L TILT DOWN
BOOM DOWN
RIGHT TURN
W/L EXTEND
W/L RETRACT
MAIN
SWITCH PANEL
LIGHT BAR
HARNESS
LEFT BODY
HARNESS
RIGHT BODY
HARNESS
HAND CONTROLLER
HAND CONTROLLER
FUNCTION
SWITCH
GROUND
MARKER
LEFT TURN
RIGHT TURN
BACK-UP
IN OUT
IN OUT
IN OUT
IN OUT
POWER TAP
A B
EE FF
C
D
E
F
G
H
I
J
K
L
M
N
O
P
X
Y
Z
AA
BB
CC
DD
Q
R
S
T
U
V
W
AUXHOT
AUXHOT
AUXHOT
SWITCHPANELFEED
FUSEZ
FUSEH
FUSEI
FUSEG
FUSEDD
FUSEFFFUSE
F
FUSEE
FUSED
AUX 2SWITCHED
HOT
SWITCHEDAIR
CONTROL
FUSEEE
SWITCHPANELFEED
5
#34 WHITE - GROUND
#33 BLACK - AUX HOT
6
5
4
5
4
A
A
B B
C C
D D
DIST PANEL
VIEW A-A
WINCH ELECTRIC SPEED/FREE SPOOL CONTROLS - DP 50K, 2 SPD
JD50IND Heavy Duty Wrecker Parts Manual - Page 102 5-376-000145 Rev 0
BA BA BA BA
BA BA BA BA
BA
BA
F WINCH2-SPEED
RED
BLACK
#36 LT BLUE
#34 WHITE
R WINCH2-SPEED
RED
BLACK
#38 LT GREEN
#34 WHITE
F WINCHFREE SPOOL
R WINCHFREE SPOOL
UL WINCHFREE SPOOL
RED
BLACK
#35 BLUE
#34 WHITE
RED
BLACK
#37 GREEN
#34 WHITE
RED
BLACK
#39 YELLOW
#34 WHITE
F WINCHFREE SPOOL
F WINCH2-SPEED
R WINCHFREE SPOOL
F WINCH2-SPEED
UL WINCHFREE SPOOL
1
PRESSURE SWITCHCONNECTIONS
VIEW B-BLH CONTROL STATION
VIEW C-C
CONTINUEDIN VIEW C-C
STOW UNUSEDCONNECTORS
FRONT CONTROL PANELLH - SIDE REF
3 2
4
4
CONTINUEDIN VIEW B-B
WINCH ELECTRIC SPEED/FREE SPOOL CONTROLS - DP 50K, 2 SPD
JD50IND Heavy Duty Wrecker Parts Manual - Page 103 5-376-000145 Rev 0
WINCH ELECTRIC SPEED/FREE SPOOL CONTROLS - DP 50K, 2 SPD
UL WINCHFREE SPOOL
R WINCHFREE SPOOL
R WINCH2-SPEED
RED
BLACK
RED
BLACK
RED
BLACK
#37 GREEN
#34 WHITE
#38 LT GREEN
#34 WHITE
#39 YELLOW
#34 WHITE
F WINCH2-SPEED
RED
BLACK
RED
BLACK
#35 BLUE
#34 WHITE
#36 LT BLUE
WHITE
F WINCHFREE SPOOL
REAR CONTROL PANELRH SIDE REF
FRONT CONTROL PANELRH SIDE REF
3
2
5
2
3
3
RH CONTROL STATION
VIEW D-D
JD50IND Heavy Duty Wrecker Parts Manual - Page 104 5-376-000145 Rev 0
DECALS
ITEM PART NO. DESCRIPTION QTY
1 7330000034 Decal - Wheel Lift 12 7330000599 Decal - Moving Parts 23 7330000108 Decal - Jerr-Dan Nameplate 24 7330000122 Decal - Wheel Lift 25 7330000143 Decal - Made in the USA 16 7330000717 Decal - Patent 17 7330000189 Decal - Serial Number/Rating Placard 18 7330000193 Decal - Wheel Lift 29 7330000197 Decal - Jerr-Dan (Red) 2
7330000533 Decal - Jerr-Dan (White)10 7330000202 Decal - Shock Warning 111 7330000208 Decal - Service Air 112 7330000209 Decal - Supply Air 113 7330000210 Decal - Auxiliary Air 114 7330000211 Decal - Safety Chains 115 7330000449 Decal - 50 Ton 216 7330000448 Decal - 39 Ton 217 7330000447 Decal - 28 Ton 218 7330000446 Decal - 17.5 Ton 219 7330000453 Decal - Rating Arrow 220 7330000269 Decal - Lubrication 121 7330000270 Decal - Lubrication Chart 122 7330000426 Decal - Fuse Panel 123 7330000004 Pop Rivet 1024 7330000139 Decal - Checklist Reminder 125 7330000203 Decal - Shock Warning 226 7330000466 Decal - 45 Ton (3 Piece Boom only) 227 7330000452 Decal - 16 Ton (3 Piece Boom only) 228 7330000451 Decal - 14 Ton (3 Piece Boom only) 229 7330000450 Decal - 12 Ton (3 Piece Boom only) 230 7330000590 Decal - HDL1000/530, Red 2
7330000591 Decal - HDL1000/530, White7330000592 Decal - HDL1000/565, Red7330000593 Decal - HDL1000/565, White
JD50IND Heavy Duty Wrecker Parts Manual - Page 105 5-376-000145 Rev 0
DECALS
DANGER
ELECTRICAL HAZARD
POWER DISTRIBUTION PANEL202
WARNING
MAIN
SWITCH PANEL
LIGHT BAR
HARNESS
LEFT BODY
HARNESS
RIGHT BODY
HARNESS
HAND CONTROLLER
HAND CONTROLLER
FUNCTION
SWITCH
GROUND
MARKER
LEFT TURN
RIGHT TURN
BACK-UP
IN OUT
IN OUT
IN OUT
IN OUT
POWER TAP
A B
EE FF
C*
D
E
F
G
H
I
X
Y
Z
AA
BB*
CC*
DD
Q
R
S
T
U
V
W
30A MAXI
30A MAXI
20A MAXI
20A MAXI
2OA
15A
2OA
2OA
2OA
2OA
2OA
1OA
10A
20A
2OA
2OA
2OA
2OA
2OA
20A
15A
1OA
2OA
2OA
20A
REF:*FUSE C: LH CABINET LIGHTS*FUSE CC: RH CABINET LIGHTS*FUSE BB: AUX #3, LIGHTBAR
FUSEAA
BEACON #1RELAY #1
FUSE A
AUXHOT
AUXHOT
AUXHOT
BEACON #2RELAY #2
FUSE B
SWITCHPANELFEED
FUSEZ
FLOOD #1RELAY #3
FUSE X
FUSEH
FUSEI
FLOOD #2RELAY #4
FUSE Y
FUSEG
FUSEDD
CONTROLS:REMOTERELAY #6
FUSE Z
FUSEFFFUSE
F
MARKERRELAY #5
FUSES:D - POSTQ - LH BODYR - RH BODYS - HDBOARD
FUSEE
FUSED
AUX 2SWITCHED
HOT
REMOTECONTROL
FUSEEE
SWITCHPANELFEED
LEFT S/TRELAY #7
FUSES:E - POSTT - LH BODYU - LGHTBAR
RIGHT S/TRELAY #8
FUSES:F - POSTV - RH BODYW - LGHTBAR
KEEP C LEAR O F THIS AREA
PINCH HAZARD SAND MO VING PARTS
WARNING
A
A
B
B
USA
VIEW A-A
CAUTIONHYD FLUID LEVEL
HYDRAULIC TANKLOOKING FROM REAR
SERVICE AIRSUPPLY AIR
AUX AIR
! WARNING !SPADE ! WARNING !
SPADE
AUX AIR
SUPPLY SERVICE
122
TOWED VEHICLE MUST BECONNECTED TO TOW TRUCK BODY
WITH SAFETY CHAINS
WARNING
122
TOWED VEHICLE MUST BECONNECTED TO TOW TRUCK BODY
WITH SAFETY CHAINS
WARNING
VIEW B-B
C
C
PATENTNUMBERS
171
SERIALRATING
PATENTNUMBERS
171
SERIALRATING
VIEW C-C
51
22
10
21
20 39
30
25
2
623
723
8
14
4
12 11
13
Item #24, not shown
JD50IND Heavy Duty Wrecker Parts Manual - Page 106 5-376-000145 Rev 0
50 TON 2-PIECE WRECKER BOOM
50 TON 3-PIECE WRECKER BOOM MID
50 TON 3-PIECE WRECKER BOOM FLY
18 17 16 15
19
19
19
18 17 16 26
29 28 27 15
DECALS
5376000145- 0