i inntteerrnnaattiioonnaall hhaarrvveesstteerr service manual · disconnect the hydraulic lines...

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IH-S-4366+ I I n n t t e e r r n n a a t t i i o o n n a a l l H H a a r r v v e e s s t t e e r r Service Manual 4366, 4386, 4568, 4586 & 4786 Chassis Only THIS IS A MANUAL PRODUCED BY JENSALES INC. WITHOUT THE AUTHORIZATION OF INTERNATIONAL HARVESTER OR IT’S SUCCESSORS. INTERNATIONAL HARVESTER AND IT’S SUCCESSORS ARE NOT RESPONSIBLE FOR THE QUALITY OR ACCURACY OF THIS MANUAL. TRADE MARKS AND TRADE NAMES CONTAINED AND USED HEREIN ARE THOSE OF OTHERS, AND ARE USED HERE IN A DESCRIPTIVE SENSE TO REFER TO THE PRODUCTS OF OTHERS. Service Manual

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Page 1: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

IH-S-4366+

IInntteerr nnaattiioonnaallHHaarr vveesstteerr

Service Manual4366, 4386,

4568, 4586 & 4786Chassis Only

THIS IS A MANUAL PRODUCED BY JENSALES INC. WITHOUT THE AUTHORIZATION OF INTERNATIONAL HARVESTER OR IT’S SUCCESSORS. INTERNATIONAL HARVESTER AND IT’S SUCCESSORS

ARE NOT RESPONSIBLE FOR THE QUALITY OR ACCURACY OF THIS MANUAL.

TRADE MARKS AND TRADE NAMES CONTAINED AND USED HEREIN ARE THOSE OF OTHERS, AND ARE USED HERE IN A DESCRIPTIVE SENSE TO REFER TO THE PRODUCTS OF OTHERS.

Serv

ice

Man

ual

Page 2: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

INTERNATIONAL HARVESTER FAR MALL

SERVICE MANUAL

4366,4386,4568,4586,4786 4 WHEEL DRIVE

CHASSIS ONLY

Page 3: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

General Contents

Safe Work Rules, Standard Torque Data for Nuts and Bolts, Metric Conversion Tables, Standard Torque Data for Hydraulic Tubes and Fittings, Special Service Tools

Page

Required, Service Information System (5.1.5.) . ................................. IV - XVI

Section

GSS-1445-1 (Rev. No.6) Printed in United States of America III

Page 4: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

Section 1

CAB, AIR CONDITIONING AND SPLITTING THE TRACTOR

Contents

Page

CAB 4366 and 4568 · · · · · · · · . · · · . · · · · · . . 1-2 4386, 4586 and 4786 · · · · · · · · . . 1-4

AIR CONDITIONING Specifications · · · · · · · · · · · · 1-6 Special Torques • · · · · · · · · · · 1-7 Components . · · · · · · · · · · · · . · · · 1-8

SPLITTING THE TRACTOR. . . · · · · · · · · · · 1-10

ADJUSTMENTS Throttle Lever · . . · · · · · · 1-14 Solenoid Decelerator · · · · . · · · · · 1-15 Decelerator Pedal . · · · · · 1-15

GSS-1445-1 (Rev. No.6) Printed in United States of America 1-1

Page 5: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

CAB REMOVAL 4386,4586 and 4786

1. Remove the hood.

2. Disconnect the heater hoses and plug.

Serial number 1500 and below

Serial number 1501 and above

GSS-1445-1 (Rev. No.6) 1-4

3. Disconnect the battery ground from the batteries.

4. Disconnect the hydraulic lines at the steering hand pump. Plug and cap all open ports.

5. Disconnect both electrical con­nectors from the cab firewall.

6. Disconnect the rpm transducer.

7. Remove the floormat and floor board.

8. Disconnect the hydraulic lines from the brake valve. Cap and plug all open ports.

1. Steering supply lines 2. Electrical connectors 3. Brake line

9. Disconnect the electrical leads and ether supply lines. Remove the ether supply line and solenoid from the cab if equipped.

10. Remove the battery hold down bracket and park brake cable.

11. Front seat the AIC service valves and disconnect the refrigerant lines at the compressor.

12. Disconnect the governor control rod or cable.

1. Electrical connector 2. Ether line 3. Power steering lines 4. Decelerator linkage

Printed in United States of America

Page 6: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

POWER STEERING HAND PUMP Specifications • . • • • Special Torques. • • . Hand Pump Overhaul •

HYDRAULIC CYLINDERS

Section 3

POWER STEERING

CONTENTS

SPECI FICATIONS

Power steering relief valve opening

. . . . . . . .

Page

3-1 3-1 3-2

3-6

pressure - pSi. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 2000

Special Torques

Valve mounting plate capscrews - in. lbs. 250

End cap mounting capscrews - in. lbs. 150

Check seat - in. lbs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 150

Steering cylinders bolts - ft. lbs. ••••••••••••••••••••••• 850-950

Piston rod nut to piston head - ft. lbs. . . . . . . . . . . . . . . . . . . . . . . 400

GSS-I445-1 (Rev. No.6) 3-1

Printed in United States of America

Page 7: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

SPECIFICATIONS . . .

Section 4

ENGINE

4366 and 4386

Contents

REMOVAL •••.•

NOTE: For Specifications and Complete Overhaul Pro­cedures, refer to the following Blue Ribbon Service Manual:

GSS-1427 -1, 300 and 400 Series Engines

Page

4-2

4-3

GSS-1445-1 (Rev. No.6) Printed in United States of America 4-1

Page 8: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

SPECIFICATIONS . •

ENGINE REMOVAL.

OIL PAN REMOVAL

Section 4A

ENGINE 4568, 4586 and 4786

Contents

. . . . . . . . . . . . . . .

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

NOTE: For specifications and complete overhaul procedures refer to the following Blue Ribbon Service Manual:

GSS-1468 V-800 Engine

Page

4A-2

4A-3

4A-4

GSS-1445-1 (Rev. No.6) Printed in United States of America 4A-l

Page 9: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

Section 5

FUEL SYSTEM

Contents

SPECIFICATIONS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . FUEL TANK

Removal and Installation.

WELDING REPAIRS ON DIESEL FUEL TANKS

NOTE: Refer to the following Blue Ribbon Service Manuals for Specifications and service procedures for Fuel Systems:

GSS-1427-1 GSS-1460

GSS-1483

300 and 400 Series Engine Injection Pump Test Bench and Fuel Rate Specifications Robert Bosch Inline Injection Pump

Page

5-2

5-2

5-3

GSS-1445-1 (Rev. No.5) Printed in United States of America 5-1

Page 10: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

Section 6

ELECTRICAL SYSTEM

Contents

SPECIFICATIONS Alternator • . . Resistance Unit • Cranking Motor . Cranking Motor Switch Batteries ..••.•••.

DIGITAL MONITOR 4386,4586 SIN 1500 AND BELOW Removal ........... . Installation and Calibration. . . . . • Calibration Chart . • . . . . • . • . . Check Out Procedure for the Digital

Monitor 4386 and 4586. . . • . • . . • • . . . • • . Wiring Diagrams of the Harness Connector 4386 and 4586

TRANSDUCER • . • •••..• Removal .......... . Installation and Adjus1ment .

INSTRUMENT GAUGE ANDIOR LIGHT REMOVAL.

TROUBLESHOOTING THE LOW 01 L LEVEL WARNING INDICATOR . ..

DIGITAL DATA CENTER (4386,4586 AND 4786) General Description. . . . . . • . . Operation .......... . Calibration (RPM and PTO) . Calibration (MPH or KPH) Application and Selection •.. Removal •. Installation . . . • . . . .

EARLY WARNING SYSTEM

. . . . . . . . . . . . . . . . . .

4386, 4586 SiN 1500 and Below .•....••. .•••. 4386, 4586 SiN 1501 and Above, 4786 SiN 501 and Above. Digital Monitor and Alc Wiring 4386, 4586 and 4786 •••. Charging and Instrwnent Wiring 4386, 4586 and 4786 . . • . •••. Starting and Lighting Wiring 4386, 4586 and 4786 ....•..•...•.....

4366 Electrical Diagram (Foldout No. # 1)

Page

6-2 6-3 6-3 6-3 6-4

6-4 6-4 6-5

6-7 6-8

6-8 6-9 6-9

6-10

6-10

6-11 6-12 6-13 6-13 6-15 6-21 6-21

6-22 6-23 6-24 6-25 6-26

GSS-1445-1 (Rev. No.6) Printed in United States of America 6-1

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Section 7

COOLING SYSTEM

Contents

Page

SPECIFICATIONS. . . • • . . • • • • . . • • • • . • . . . . • . • . • • • • . . .. 7-2

RADIATOR

Removal ..

Installation .

NOTE: Water Pump Removal and Overhaul is covered in the Blue Ribbon Service Manual GSS 1427-1.

7-2

7-2

GSS-1445-1 (Rev. No.4) Printed in United States of America 7-1

Page 12: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

Section 8

CLUTCH AND FLYWHEEL

Contents

SPECI FICATIONS •••.•.••

FLAT TYPE CLUTCH ASSEMBLY

POT TYPE CLUTCH ASSEMBLY . . .

REMOVAL ••

DISASSEMBL Y

INSPECTION • . . . . . . . . . . . . Release Clutch Levers

Clutch Release Retainer

Spring Pivots. • • • • • • •

Release Sleeve and Bearing Assembly

Adjusting Ring

Flywheel Ring . . . . . . . . . . . . REASSEMBLY . . . . . INSTALLATION

CLUTCH ADJUSTMENT •

RELEASE BEARING LUBE HOSE INSTALLATION

SP EC I F I CAT IONS

Clutch

Page 8-1

8-3

8-3A

8-4

8-14

8-17

8-17

8-17

8-17

8-17

8-17

8-17

8-18

8-25

8-29

8-38

4366, 4386, 4568 and 4586 • 4786 •

• • • • AS-1402 - 14 Inch - Two Plate

Make ••••••

Min. bell housing size for mounting (SAE)

Pilot diameter - inches 4366, 4386, 4568 and 4586 • 4786 • • .•••••••

GSS-1445-1 (Rev. No.6) 8-1

• • AS-1552 - 15-1/2 Inch - Two Plate

Spicer

No.2

15. 552/15. 549 17.156/17.153

Printed in United States of America

Page 13: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

. Section 9

TRANSMISSION

4366 and 4386

CONTENTS

SPECIFICATIONS

SPECIAL TORQUES •••••.••••••.•.••••••..•.••.•••••.•••

TRANSM ISSION REMOVAL •..•••...••...•••..•...•....•.•.

REMOVAL OF COMPONENTS

Shift Bar Housing Assembly .• Removal ••• Disassembly Reassembly.

Auxiliary Section Removal ••• Disassembly

Main Shaft Assembly. Inspection. • • . • • • . Reassembly .•

TIMING THE AUXILIARY SHAFTS •

Auxiliary Drive Gear Assembly Disassembly • Reassembly.

TRANSMISSION CASE ASSEMBLY INTRODUCTiON ..• ..•.•....•.•..

LEFT REVERSE IDLER GEAR ASSEMBLY

Removal •••

Reassembly.

MAINSHAFT

Removal .•. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ........ . Disassembly

Reassembly.

Page 9-3

9-3

9-3

9-4 9-4 9-5 9-7

9-7 9-7 9-9

9-12 9-13 9-13

9-15

9-16

9-16 9-16

9-17

9-18

9-19

9-19

9-21

9-22

GSS-1445-1 (Rev. NO.6) Continued on next page

Printed in United States of America

9-1

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- -

REASSEMBLY AND INSTALLATION OF THE LEFT AND

RIGHT REVERSE IDLER GEAR ASSEMBLY. • • • • • • • • • • • • • • • • • • •• 9-27

COUNTERSHAFT BEARINGS

Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9-29

COUNTERSHAFT

Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9-30

Disas~sembly • • • • • • • • • • . . . • • • • • . • • • • • . • . • • • • • • • • • . • • •• 9-31

Reassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9-32

TIMING AND INSTALLATION OF THE COUNTERSHAFT ASSEMBLIES. • • • • • • • • • • • • • • • • • • • • • • • • • • •• 9-33

TIMING OF THE LEFT COUNTERSHAFT • • • • • • • • • • • • • • • • • • • • • • •• 9-34

TIMING AND INSTALLATION OF THE RIGHT COUNTERSHAFT ASSEMBLY. • • • • • • • • • • • • • • • • • • • • • • • • • • • •• 9-35

MAINSHAFT DRIVE GEAR

Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9-36

Disassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9-36

Reassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9-36

MAINSHAFT DRIVE GEAR ASSEMBLY

Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9-37

Disassembly. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 9-38

Reassembly. . . . . . . . . . .... ~~. . . . . . . . . . . . . . . . . . . . . . . . . .. 9-39

TIMING AND INSTALLATION OF THE DRIVE GEAR ASSEMB L Y • . • • • • • • • • • • • • . • • • • . • • • • • • • • • • • • • • • •• 9-39

INSTALLING THE TRANSMISSION TO THE ENGINE AND FLYWHEEL HOUSING. • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • • •• 9-40

GSS-1445-1 (Rev. No.1) Printed in United States of America

9-2

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· ~ TIMING OF THE LEFT COUNTERSHAFT

9-34

1. Install blocking as shown in the illustration to center the front of the countershaft in the case bore.

1. Left countershaft 2. Blocking 3. Input shaft

2. Align the marked tooth of the left countershaft with the two marked teeth of the main drive gear.

1. Left cou ntershaft mark tooth-47 teeth 2. Drive gear-two mark teeth 3. Right countershaft-45 teeth

3. With the countershaft as far to the rear as possible, start the rear bearing on the shaft and seat the bearing against the shoulder.

1. Countershaft

Page 16: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

SPECIFICATIONS . .

SPECIAL TORQUES . •

TRANSMISSION REMOVAL

Section 9A 0

TRANSMISSION 4568, 4586 and 4786

Contents

REMOVAL OF THE COMPONENTS

Transmission Shift Cover • • Removal .••. Disassembly ••••••.

TRANSMISSION CASE DISASSEMBLY

Mainshaft Assembly Removal Input Shaft Sub Assembly Disassembly

Mainshaft Sub Assembly Disassembly Inspection Reassembly • •

Countershaft Removal Disassembly •••• Inspection •••• Reassembly • Installation •

MAINSHAFT INSTALLATION.

Page

9A-2

9A-2

9A-3

9A-3 9A-3 9A-5

9A-7

9A-8 9A-16

9A-18 9A-2l 9A-2l

9A-25 9A-26 9A-26 9A-29 9A-30 9A-32

9A-33

GSS-1445-1 (Rev. NO.5) Printed in United States of America 9A-l

Page 17: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

Section 10

FRAMES, 01 FFERENTIALS, AXLES AND HOUSINGS

Contents

Page

SPECIFICATIONS • ••. 10-2

SPECIAL TORQUES 10-2A

INTRODUCTION 10-3

REAR FRAME (ALL MODELS)

Removal . . . . . . . . . . . . . . . . . . . . . .. 10-3

01 FFERENTIAL (4366, 4386 AND 4586)

Main Pinion Removal

Disassem bly • • • • • •

Inspection and Reassembly

Adjusting the Bearings ••• Pinion without a Drilled Counterbore • Pinion with the Counterbore • Direct Measuring Method ..

Adjusting Backlash •• -•••

AXLE AND BULL PINION SHAFT (ALL MODELS)

Removal

Disassembly • •

Reassembly and Inspection

Bull Pinion Shaft Adjustment

Axle or Bearing Removal

Reassembly •••••••

GSS-1445-1 (Rev. No.5) 10-1

. . . . . . . . . .

. . . . . . . . .

· · · · · · · ·

. · · · ·

· · ·

10-5

10-7

10-8

10-11 10-11 10-12 10-13

10-14

10-15

10-15

10-17

10-18

10-19

10-20

Printed in United states of America

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Axle Bearing Pre-Load Adjustment 10-21

FRONT FRAME REMOVAL (ALL MODELS) • 10-22

Overhaul and Reassembly ••••••••• 10-24

APPLICATION OF LOCTITE 515 GASKET ELIMINATOR SEALANT . . . . . . . . . . . . . . . . . . . . . 10-25

DIFFERENTIAL (4786)

Main Pinion Removal . . . . . . . . . . . . . . . AXLE (4786)

Removal Disassembly Reassembly Bearing Set-Up

PLANETARY (4786) Removal . . . Disassembly ••••• Reassembly and Installation . . . . . . . . .

SPECIFICATIONS

Axles 4366 and 4386 Below Serial Number 1501 4386 Above Serial Number 1501 4568 and 4586 •• 4786 •••••••••••••••••

Capacities 4366 Front and Rear Housing. - gal. 4386 and 4586

Front Rear ••

4786 Front Rear.

. . . . . . . . . . . . . . . . . .

10-26

10-26

10-30 10-30 10-30 10-31 10-31

10-33 10-33 10-34 10-35

IH 1066 rear frame (2) IH 1466 rear frame (2) IH 1466 rear frame (2) IH 1500 rear frame (2)

• 31

.... • 21 • 31

••• 25.5 • 35.5

Weight Capacities of Front Frame - lbs. . . . . . . . . . . . . . . . . . . . 13,500

GSS-1445-1 (Rev. No.5) Printed in United States of America 10-2

Page 19: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

Section 11

TRA~£RCASE 4366 And 4386

Contents Page

SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11-1

SPECIAL TORQUES. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11-1

TRANSFER CASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 11-2

Removal ........................................... 11-2

Disassembly . . . . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . .. 11-4

Inspection. . . . . . . . • . . . . . . . . . . . • . . . . . . . . . . . . . . . . . . . . .. 11-7

Reassembling . . . . . . . • . . . . . • . . . . . . . . . . . . . . . . . . . . . . . . .• 11-7

Bearing and End Play Adjustment. . . • . . . . . . . . . . . . . . • . . . . . . .• 11-9

SPECI FICATIONS

Transfer Case Make. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. Steiger

Transfer Case Capacity. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 gal.

SPECIAL TORQUES (FT. LBS.)

Yoke Nuts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .. 320-350

Top and Bottom Link Cover Plate Bolts. • • • • . • • • • • • • • • • • • •. 80-90

Top and Bottom Link Cover Plate to Transfer Case Bearing Plate Bolts. • • • . • • . • • • • • • . • • • • • • • . . • • • • • . .• 290-320

Transfer Case Bearing Cage Bolts 55

GSS-1445-1 (Rev. No.4) 11-1

Printed in United States of America

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SPECIFICATIONS . .

INTRODUCTION .

PARKBRAKEREMOVAL.

HYDRAULIC CALIPER TYPE BRAKE

Removal •••

Disassembly.

BRAKE DISC REMOVAL

Section 12

BRAKES

4366 and 4386

Contents

PROCEDURE FOR BLEEDING BRAKES

4366

4386

ADJUSTMENTS

Brake Pedal Push Rod

Park Brake ••..••.

POWER HYDRAULIC MULTI-DISC BRAKES 4386 & 4586 SERIAL NUMBER 1501 AND ABOVE ....... .

Power Brake (Engine Running) •

Manual Brake (Engine Stopped) .

BRAKE WEAR SWITCH ADJUSTMENT (4386 & 4586 Above SN 1500)

Bleeding the Brakes (4386 SN 1500 and Above) ••.••.••.••

Page

12-2

12-3

12-3

12-4

12-5

12-6

12-7

12-7

12-8

12-9

12-11

12-11

12-12

12-15

12-16

GSS-1445-1 (Rev. No.6) Printed in United States of America t2-1

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Section 12A

BRAKES 4568, 4586 and 4786

SPECIFICATIONS ••

SPECIAL TORQUES.

HAND BRAKE REMOVAL

HYDRAULIC CALIPER TYPE BRAKE • Removal Disassembly.

ADJUSTMENT

Contents

Hand Brake • . . . . . . . . . . . Brake Pedal Push Rod

PROCEDURE FOR BLEEDING BRAKES

BRAKE WEAR SWITCH ADJUSTMENT (Refer to Section 12, Page 12-15)

POWER BRAKE VALVE ...

For 4586 Brake Schematic Refer to Section 12, Page 12-11

Removal ....•...•....... Disassembly •••••••••• Inspection and Repair • • • • • Reassembly and Installation. •

. . . . . . . . . . . . . . . . .

4786 BRAKE REMOVAL AND DISASSEMBLY. (4586 SIN 1501 & Up Refer to Section 12, Page 12-13)

Inspection and Repair. •

Reassembly . . . . . .

· . . . . · . . . .

· . . . . . . . .

Page

12A-2

12A-2

12A-3

12A-3 12A-3 12A-3

12A-4 12A-4 12A-4

12A-4

12A-6 12A-7 12A-8 12A-9

12A-I0

12A-12

12A-12

4786 BRAKE BLEEDING PROCEDURE • • • • • • • • • • • • • • • • • • • • • •• 12A-13

G8S-1445-1 (R!!v. No.7) Printed in United States of America 12A-l

Page 22: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

Section 14

HYDRAULIC SYSTEM

4366 and 4386

Contents Page

SPECIFICATIONS •••••• . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14-2

BASIC HYDRAULIC SYSTEM

How It Works Complete System Transmission System Pump •• Transmission Pump Removal ••• Disassembly.

. . . . . . . Inspection •• • • • • Reassembly • • • •

HYDRAULIC PUMPS

:::essna Hydraulic Pump Alignment Procedure Orifice Size and Location Chart

AUXI LlARY VALVE OPERATION

SYSTEM RELIEF VALVE •.

POWER STEERING SYSTEM

HYDRAULIC SYSTEM SCHEMATIC

4366 4386 . . . . . . . . . .

GSS-1445-1 (Rev. No.7)

. . .

14-1

14-3 14-3 14-4 14-4 14-4 14-5 14-5

14-5 14-6 14-6B

14-7

14-10

14-11

14-12 14-13

Printed in United States of America

Page 23: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

Section 14A

HYDRAULIC SYSTEM 4568, 4586 and 4786

Contents Page

SPECIFICATIONS . •.••• . . . . . . . . . . . . . . '" . . . . . . . . '" . . . '" . 14A-2

BASIC HYDRAULIC SYSTEM

How it Works . . . . . . . . . . . . . . . . . '" . . . . . '" . . 14A-3

Complete System 14A-3

Hydraulic Pumps 14A-3

Orifice Size and Location Chart . . 14A-4

AUXILIARY VALVES OPERATION. ••• Refer To Section 14

SYSTEM RELIEF VALVE . . . • Refer To Section 14

POWER STEERING SYSTEM . • Refer To Section 14

HYDRAULIC SCHEMATIC . . '" . . . . . . .. 14A-5

HITCH COMPONENTS

Rockshaft Removal . . . . . . .. 14A-6

Rockshaft and Bushing Removal 14A-7

Hitch Lift Cylinder Removal 14A-7

Lift Link. 14A-8

Removal 14A-8

Disassembly. 14A-8

HYDRAULIC PUMP

Removal - ..•. 14A-9

Seal Replacement 14A-9

Priming - The Hydraulic Pump. . . . . . . . . . . . . . . 14A-13

GSS-1445-1 (Rev. No.7) Printed in United States of America 14A-1

Page 24: I Inntteerrnnaattiioonnaall HHaarrvveesstteerr Service Manual · Disconnect the hydraulic lines from the brake valve. ... Valve mounting plate capscrews ... POWER HYDRAULIC MULTI-DISC

Section 15

TESTING HYDRAULIC SYSTEM

Contents

SPECI FICATIONS. • • • • • • • • • • • • • • . • . ••

TROUBLE SHOOTING THE BASIC HYDRAULIC SYSTEM

Preliminary Checks from the Tractor Seat. • •

Trouble Shooting Chart and Flo-Rating ••.••

TROUBLE SHOOTING THE POWER STEERING SYSTEM

TRANSMISSION PUMP •• •••••.•••••

CHECKING THE OIL COOLER BY-PASS VALVE 4568, 4586 AND 4786 .•••••••••..

CHECKING THE STEERING RELIEF VALVE •

CHECKING THE BRAKE REGULATOR PRESSURE 4786 ONLY. • • • • • • • • • • • • • ••••

AUXILIARY VALVES " " " " " " "

Checking and Adjusting the Unlatching Pressure •

. " " . . . . . . . .

Procedure for Checking Auxiliary Valve Unlatching Pressure

Page

15-2

15-3

15-4

15-6

15-7

15-7

15-7

15-8

15-9

15-9

15-11

GSS-1445-1 (Rev. No.5) Printed in United States of America 15-1