manual de operacion y mantenimiento motoniveladora cat 140

8/9/2019 Manual de Operacion y Mantenimiento Motoniveladora CAT 140

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SEBU8249-03

April 2012

Operation andMaintenance

Manual12K, 140K and 160K Motor Graders

JJA1-Up (Machine)JPA1-Up (Machine)SZL1-Up (Machine)SZM1-Up (Machine)

JBP1-Up (Machine)SZP1-Up (Machine)

SAFETY.CAT.COM


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82 SEBU8249-03Maintenance SectionTire Inflation Information

Maintenance Section

Tire Inflation Information

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Tire Inflation with Nitrogen

SMCS Code: 4203

Caterpillar recommends the use of dry nitrogen gasfor tire inflation and for tire pressure adjustments.This includes all machines with rubber tires. Nitrogenis an inert gas that will not aid combustion inside thetire.

Proper nitrogen inflation equipment, and trainingin using the equipment, are necessary to avoidover inflation. A tire blowout or rim failure can re-sult from improper or misused equipment and per-sonal injury or death can occur.

A tire blowout and/or rim failure can occur if the in-flation equipment is not used correctly, due to thefact that a fully charged nitrogen cylinder's pres-sure is approximately 15000 kPa (2200 psi).

There are other benefits to using nitrogen in addition

to reducing the risk of an explosion. The use of nitrogen for tire inflation lessens the slow oxidationof the rubber. Use of nitrogen also slows gradual tiredeterioration. This is especially important for tiresthat are expected to have a long service life of atleast four years. Nitrogen reduces the corrosion of rim components. Nitrogen also reduces problemsthat result from disassembly.

A tire blowout or a rim failure can cause personalinjury.

Use a self-attaching inflation chuck and stand be-hind the tread when inflating a tire, to prevent per-sonal injury.

Note: Do not set the tire inflation equipment regulator higher than 140 kPa (20 psi) over the recommendedtire pressure.

Use 6V-4040 Inflation Group or an equivalentinflation group to inflate tires with a nitrogen gascylinder.

Reference: For tire inflation instructions, refer toSpecial Instruction, SMHS7867, “Nitrogen TireInflation Group”.

For nitrogen inflation, use the same tire pressuresthat are used for air inflation. Consult your tire dealer

for operating pressures.

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Tire Shipping Pressure

SMCS Code: 4203; 7500

Pressures for each application may need to be variedfrom the pressures that are shown. The pressuresshould always be obtained from the tire supplier. Asshown, the tire inflation pressure is cold inflationshipping pressure.

Table 7

ShippingPressureSize

Ply Rating or Strength Index

kPa psi

12K, 140K and 160K Motor Graders

14.00-24(1) 10 241 35

14.00-24 12 241 35

14.00R24 One Star 310 45

17.50-25 12 241 35

17.50R25 One Star 310 45

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Tire Inflation PressureAdjustment

SMCS Code: 4203

Always obtain the proper tire inflation pressures andmaintenance recommendations for the tires on your machine from your tire supplier. The tire pressurein a warm shop area 18° to 21°C (65° to 70°F) will

signifi

cantly change when you move the machineinto freezing temperatures. If you inflate the tire tothe correct pressure in a warm shop, the tire will beunderinflated in freezing temperatures. Low pressureshortens the life of a tire.

Reference: When you operate the machine infreezing temperatures, refer to Special Publication,SEBU5898, “Cold Weather Recommendations for AllCaterpillar Machines” in order to adjust tire inflationpressures.


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SEBU8249-03 83Maintenance Section

Lubricant Viscosities and Refill Capacities

Lubricant Viscosities andRefill Capacities

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Lubricant Viscosities

SMCS Code: 1000; 7000; 7581

General Information for Lubricants

When you are operating the machine in temperaturesbelow −20°C (−4°F), refer to Special Publication,SEBU5898, “Cold Weather Recommendations”. Thispublication is available from your Cat dealer.

For cold-weather applications where transmissionoil SAE 0W-20 is recommended, Cat TDTO Cold

Weather is recommended.

Refer to the “Lubricant Information” section in thelatest revision of the Special Publication, SEBU6250,“Caterpillar Machine Fluids Recommendations” for alist of Cat engine oils and for detailed information. Thismanual may be found on the Web at Safety.Cat.com.

The footnotes are a key part of the tables. Read ALLfootnotes that pertain to the machine compartmentin question.

Selecting the Viscosity

In order to select the proper oil for each machinecompartment, refer to the "Lubricant Viscosity for

Ambient Temperature" table. Use the oil type AND oilviscosity for the specific compartment at the proper ambient temperature.

The proper lubricant viscosity grade is determined bythe minimum outside temperature when the machineis started. The proper lubricant viscosity grade is alsodetermined by the maximum outside temperaturewhile the machine is operated. Use the column on thetable that is designated “Min” in order to determinethe lubricant viscosity grade that is required when

you start a cold machine and when you operate acold machine. Use the column on the table that isdesignated “Max” to select the lubricant viscositygr ade when you operate the machine at the highesttemperature that is anticipated. When you startthe machine, use the oil with the highest lubricantviscosity that is allowed for the temperature.

Machines that are continuously operated should usethe oils with a higher viscosity in the final drives anddifferentials in order to maintain the highest possibleoil fi lm thickness. Refer to “General Information for Lubricants” article, “Lubricant Viscosities” tables, andany associated footnotes. Consult your Cat dealer if

additional information is needed.

NOTICENot following the recommendations found in this man-ual can lead to reduced performance and compart-ment failur e.

Engine Oil

Caterpillar oils have been developed and tested inorder to provide the full performance and life that hasbeen designed and built into Cat engines.

Cat DEO-ULS multigrade and Cat DEO multigradeoils are formulated with the correct amounts of detergents, dispersants, and alkalinity in order toprovide superior performance in Cat diesel engineswhere recommended for use.

Note: SAE 10W-30 is the preferred viscosity gradefor the 3116, 3126, C7, C-9, and C9 diesel engineswhen the ambient temperature is between -18° C (0°F) and 40° C (104° F).


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84 SEBU8249-03Maintenance SectionLubricant Viscosities and Refill Capacities

Table 8

Lubricant Viscosities for Ambient Temperatures

°C °FCompartment or System

Oil Type and PerformanceRequirements

Oil ViscositiesMin Max Min Max

Cat DEO-ULS Cold Weather SAE 0W-40 −40 40 −40 104

Cat DEO-ULS SYNCat DEO SYN

SAE 5W-40 −30 50 −22 122

SAE 10W-30 −18 40 0 104Cat DEO-ULSCat DEO SAE 15W-40 −10 50 14 122

SAE 0W-40 −40 40 −40 104

SAE 5W-30 −30 30 −22 86

SAE 0W-30 −40 30 −40 86

SAE 5W-40 −30 50 −22 122

SAE 10W-30 −18 40 0 104

SAE 10W-40 −18 50 0 122

Engine Crankcase

Commercial Oils ECF-1a,ECF-2, ECF-3

SAE 15W-40 −9.5 50 15 122

When fuels of sulfur level 0.1 percent (1000 ppm) or higher are used, Cat DEO-ULS may be used if an oilanalysis program is followed. Base the oil changeinterval on the oil analysis.

Table 9

Lubricant Viscosities for Ambient Temperatures

°C °FCompartment or System

Oil Type and PerformanceRequirements

Oil Viscosities

Min Max Min Max

Cat HYDO Advanced 10Cat TDTO

SAE 10W −20 40 −4 104

Cat HYDO Advanced 30Cat TDTO

SAE 30 0 50 32 122

Cat BIO HYDO Advanced “ISO 46”

Multi-Grade −30 45 −22 113

Cat MTOCat DEO-ULS

Cat DEOSAE10W-30 −20 40 −4 104

Cat DEO-ULSCat DEO

SAE15W-40 −15 50 5 122

Cat TDTO-TMS Multi-Grade −15 50 5 122

Cat DEO-ULS SYNCat DEO SYN

SAE 5W-40 −25 40 −13 104

Cat DEO-ULS Cold Weather SAE0W-40 −40 40 −40 104

Hydraulic System

Cat TDTO Cold Weather SAE 0W-20 −40 40 −40 104


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Other Oil Applications

Refer to the “Lubricant Information” section in thelatest revision of the Special Publication, SEBU6250,“Caterpillar Machine Fluids Recommendations” for alist of Cat engine oils and for detailed information. This

manual may be found on the Web at Safety.Cat.com.

Cat HYDO Advanced fluids are the preferred oils for use in Cat machines hydraulic systems.

Cat HYDO Advanced fluids have a 100% increasein the standard oil drain interval for machinehydraulic systems (4000 hours or 2 years versus2000 hours or 1 year) over second and third choiceoils when you follow the maintenance intervalschedule for oil filter changes and for oil samplingthat is stated in the Operation and MaintenanceManual for your particular machine. 6000 hour or 3 years oil drain intervals are possible when using

S·O·S Services oil analysis. Consult your Cat dealer for details. When switching to Cat HYDO Advancedfluids, cross contamination with the previous oilshould be kept to less than 10%.

Table 10

Motor Graders Lubricant Viscosities for Ambient Temperatures

°C °FCompar tment or System

Oil Type andPerfor mance

RequirementsOil Viscosity Grade

Min Max Min Max

SAE 0W-20 −40 10 −40 50

SAE 10W −20 10 −4 50

SAE 30 0 35 32 95

SAE 50 10 50 50 122

Transmission,Differential, and Final

Drive

Cat TDTO

Cat TDTO-TMSCat Cold Weather TDTO

Cat TO-4, Cat TO-4M

Cat TDTO-TMS −20 43 −4 110

SAE 0W-20 −40 10 −40 50

SAE 10W −20 20 −4 68

SAE 30 −10 40 14 104

SAE 50 10 50 50 122

Tandem Drive and WheelSpindle Bearings

Cat TDTOCat TDTO-TMS

Cat Cold Weather TDTOCat TO-4, Cat TO-4M

Cat TDTO-TMS −20 43 −4 109

All Wheel Drive Gearbox Cat TDTO

Cat TO-4 SAE 50 −15 50 5 122

SAE 75W-90 −30 40 −22 104

SAE 75W-140 −30 45 −22 113

SAE 80W-90 −20 40 −4 104

SAE 85W-140 −10 50 14 122

Circle Drive except16H and 24H

Cat GO (Gear Oil)Cat Synthetic GOAPI GL-5 gear oil

SAE 90 0 40 32 104

Motor Graders CircleDrive for 16H and 24H

Cat FDAO SynCat FD-1

Cat FDAO Syn −15 50 5 122


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• Lower fuel economy

• Shorten the time period between oil drain intervals(more frequent oil drain intervals).

• Increase overall operating costs.

• Negatively impact engine emissions

Failures that result for the use of improper fuels arenot Caterpillar factory defects. Therefore, the costof repairs would not be covered by a Caterpillar warranty.

Caterpillar does not require the use of ULSD innon-road and machine applications that are not Tier 4/Stage IIIB/ Stage IV certified engines and arenot equipped with aftertreatment devices. Followoperating instructions and fuel tank inlet labels, if available in order to ensure that the correct fuels are

used..

Refer to Special Publication, SEBU6250, “Caterpillar Machine Fluids Recommendations” for more detailsabout fuels, lubricants. This manual may be found onthe Web at Safety.Cat.com.

Fuel Additives

Cat Diesel Fuel Conditioner and Cat Fuel SystemCleaner are available for use when needed. Theseproducts are applicable to diesel and biodiesel fuels.Consult your Cat dealer for availability.

Biodiesel

Biodiesel is a fuel that can be made from variousrenewable resources that include vegetable oils,animal fat, and waste cooking oil. Soybean oil andrapeseed oil are the primary vegetable oil sources.In order to use any of these oils or fats as fuel, theoils or fats are chemically processed (esterified). Thewater and contaminants are removed.

U.S. distillate diesel fuel specification “ASTMD975-09a” includes up to B5 (5 percent) biodiesel.Curr ently, any diesel fuel in the U.S. may contain up

to B5 biodiesel fuel.

Eur opean distillate diesel fuel specification “EN 590”includes up to B5 (5 percent) and in some regions upto B7 (7 percent) biodiesel. Any diesel fuel in Europemay contain up to B5 or in some regions up to B7biodiesel fuel.

Note: Up to B20 biodiesel blend level is acceptablefor use in Motor Grader engines.

Note: The diesel portion used in the biodiesel blendmust be Ultra Low Sulfur Diesel (ULSD) fuel 0.0015percent (≤15 ppm (mg/kg)) or less per “ASTMD975-09a”. In Europe the diesel fuel portion used inthe biodiesel blend must be sulfur free diesel ULSD0.0010 percent (≤10ppm (mg/kg) or less per “EN

590”. The final blend must have (≤15 ppm (mg/kg))sulfur or less.

When biodiesel fuel is used, certain guidelines shouldbe followed. Biodiesel fuel can influence the engineoil, aftertreatment devices, non-metallic components,fuel system components, and others. Biodiesel fuelhas limited storage life and has limited oxidationstability. Follow the guidelines and requirements for engines that are seasonally operated and for standbypower generation engines.

In order to reduce the risks associated with the use of biodiesel, the final biodiesel blend and the biodiesel

fuel must meet specific blending requirements.

All of the guidelines and requirements are provided inthe latest revision of Special Publication, SEBU6250,“Caterpillar Machine Fluids Recommendations”. Thismanual may be found on the Web at Safety.Cat.com

Coolant Information

The information provided in this “CoolantRecommendation” section should be used with the“Lubricants Information” provided in the latest revisionof Special Publication, SEBU6250, “Caterpillar

Machine Fluids Recommendations”. This manualmay be found on the Web at Safety.Cat.com.

The following two types of coolants may be used inCat diesel engines:

Preferred – Cat ELC (Extended Life Coolant)

Acceptable – Cat DEAC (Diesel Engine Antifreeze/Coolant)

NOTICENever use water alone as a coolant. Water alone iscorrosive at engine operating temperatures. In addi-

tion, water alone does not provide adequate protec-tion against boiling or freezing.


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88 SEBU8249-03Maintenance SectionLubricant Viscosities and Refill Capacities

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Capacities (Refill)

SMCS Code: 1000; 7000; 7560

Table 13

APPROXIMATE REFILL CAPACITIES FOR12K and 140K

Compartment or System

Liters US gal Imp gal

Engine Crankcase 18 4.8 4.0

Transmission andDifferential Housing

47 12.4 10.3

Hydraulic System 55 14.5 12.1

Cooling System 40 10.6 8.8

Fuel Tank 305 80.6 67.1

Tandem DriveHousing for eachside

64 16.9 14.1

Circle Drive Housing 7 1.8 1.5

Front Wheel SpindleBearing Housing

0.5 0.13 0.11

Table 14

APPROXIMATE REFILL CAPACITIES FOR 160K

Compartment or System

Liter s US gal Imp gal

Engine Crankcase 18 4.8 4.0Transmission andDifferential Housing

47 12.4 10.3

Hydraulic System 55 14.5 12.1

Cooling System 40 10.6 8.8

Fuel Tank 344 90.9 75.7

Tandem DriveHousing for eachside

80 21.1 17.6

Circle Drive Housing 7 1.8 1.5

Front Wheel Spindle

Bearing Housing

0.5 0.13 0.11

Refer to Operations and Maintenance Manual,“Lubricant Viscosities” for information regarding thecorrect lubricant.

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S·O·S Information

SMCS Code: 1000; 7000; 7542

S·O·S Services is a highly recommended process for Cat customers to use in order to minimize owningand operating cost. Customers provide oil samples,coolant samples, and other machine information.The dealer uses the data in order to provide thecustomer with recommendations for management of the equipment. In addition, S·O·S Services can helpdetermine the cause of an existing product problem.

Refer to Special Publication, SEBU6250, “Caterpillar Machine Fluid Recommendations” for detailedinformation concerning S·O·S Services.

Refer to the Operation and Maintenance Manual,

“Maintenance Interval Schedule” for a specificsampling location and a service hour maintenanceinterval.

Consult your Cat dealer for complete information andassistance in establishing an S·O·S program for your equipment.


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SEBU8249-03 89Maintenance SectionMaintenance Access

Maintenance Access

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Access Doors and Covers

SMCS Code: 7251; 7263; 7273

g01393732Illustration 82

Right Side View

Opening access door (1) will allow access to thefollowing items:

• The circuit breakers

• The air conditioner condenser (If Equipped)

• The fan belt

• The fan belt drive

Opening access door (2) will allow access to thefollowing items :

• The air dryer (If Equipped)

• The coolant sampling valve

• The engine drive belt

• The engine oil filter

• The ether cylinder (If Equipped)

• The sampling port for the engine oil

g01393733Illustration 83

Left Side View


• The battery disconnect switch

• The engine air filters

• The engine air fi lter service indicator

• The engine crankcase breather

• The engine oil filler

• The fuel priming pump

• The primary fuel fi lter and water separator

• The refrigerant compressor

• The secondary fuel filter

• The transmission dipstick

• The transmission oil fi ller tube


• The radiator


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90 SEBU8249-03Maintenance SectionMaintenance Support

Maintenance Support

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System Pressure Release

SMCS Code: 1250-553-PX; 1300-553-PX;1350-553-PX; 3000-553-PX; 4250-553-PX;4300-553-PX; 5050-553-PX; 6700-553-PX;7540-553-PX

Personal injury or death can result from suddenmachine movement.

Sudden movement of the machine can cause injury to persons on or near the machine.

To prevent injury or death, make sure that the areaaround the machine is clear of personnel and ob-structions before operating the machine.

Air System

In order to prevent possible personal injury, re-lease the air pressure from the air tank before dis-connecting any components of the air system.

To relieve the pressure from the air system, turn off the machine. Refer to Operation and MaintenanceManual, “Air Tank Moisture and Sediment - Drain”for more information.

Coolant System

Pressurized system: Hot coolant can cause seri-ous burn. To open cap, stop engine, wait until ra-diator is cool. Then loosen cap slowly to relieve

the pressure.

To relieve the pressure from the coolant system, turnoff the machine. Allow the cooling system pressurecap to cool. Remove the cooling system pressurecap slowly in order to relieve pressure.

Hydraulic System

Personal injury can result from hydraulic oil pres-

sure and hot oil.

Hydraulic oil pressure can remain in the hydraulicsystem after the engine has been stopped. Seri-ous injury can be caused if this pressure is not re-leased before any service is done on the hydraulicsystem.

Make sure all of the attachments have been low-ered, oil is cool before removing any componentsor lines. Remove the oilfiller cap only when the en-gine is stopped, and the filler cap is cool enoughto touch with your bare hand.

1. Park on a level surface. If you must park on agrade, chock the machine.

2. Apply the service brake in order to stop themachine. Move the transmission control lever tothe NEUTRAL position.

3. Move the speed control lever to the LOW IDLEposition.

4. Engage the parking brake.

5. Lower all attachments to the ground.

6. Stop the engine.

7. Operate all hydraulic controls through all positionsin order to relieve hydraulic pressure. Repeat thisstep until all hydraulic pressure is released.

8. Turn the engine start switch to OFF position andremove the key.

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Welding on Machines and

Engines with ElectronicControls

SMCS Code: 1000; 7000

Do not weld on any protective structure. If it isnecessary to repair a protective structure, contactyour Caterpillar dealer.


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Maintenance Support

Proper welding procedures are necessary in order toavoid damage to the electronic controls and to thebearings. When possible, remove the componentthat must be welded from the machine or the engineand then weld the component. If you must weld near an electronic control on the machine or the engine,

temporarily remove the electronic control in order toprevent heat related damage. The following stepsshould be followed in order to weld on a machine or an engine with electronic controls.

1. Turn off the engine. Place the engine start switchin the OFF position.

2. If equipped, turn the battery disconnect switch tothe OFF position. If there is no battery disconnectswitch, remove the negative battery cable at thebattery.

NOTICEDo NOT use electrical components (ECM or sensors)or electronic component grounding points for ground-ing the welder.

3. Clamp the ground cable from the welder to thecomponent that will be welded. Place the clampas close as possible to the weld. Make sure thatthe electrical path from the ground cable to thecomponent does not go through any bearing. Usethis procedure in order to reduce the possibility of damage to the following components:

• Bearings of the drive train

• Hydraulic components

• Electrical components

• Other components of the machine

4. Protect any wiring harnesses and componentsfrom the debris and the spatter which is createdfrom welding.

5. Use standard welding procedures in order to weldthe materials together.


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92 SEBU8249-03Maintenance SectionMaintenance Interval Schedule

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Maintenance Interval Schedule

SMCS Code: 1000; 7000

Ensure that all safety information, warnings andinstructions are read and understood before anyoperation or any maintenance procedures areperformed.

The user is responsible for the performance of maintenance, including all adjustments, the use of proper lubricants, fluids, fi lters, and the replacementof components due to normal wear and aging. Failureto adhere to proper maintenance intervals andprocedures may result in diminished performance of the product and/or accelerated wear of components.

Use mileage, fuel consumption, service hours, or

calendar time, WHICH EVER OCCURS FIRST,in order to determine the maintenance intervals.Products that operate in severe operating conditionsmay require more frequent maintenance.

Note: Before each consecutive interval is performed,all maintenance from the previous interval must beperformed.

When Required

Batter y - Recycle .................................................. 95Belt - Replace ....................................................... 97Blade Lift Cylinder Socket - Check/Adjust/

Replace ............................................................... 97Centershift Cylinder Socket - Check/Adjust/Replace ............................................................. 100

Circle Clearances - Check/Adjust ....................... 101Circle Drive Oil Level - Check ............................. 105Circuit Breakers - Reset ...................................... 106Cooling System Water Temperature Regulator -

Replace .............................................................. 112Cutting Edges and End Bits - Inspect/Replace .... 113Drawbar Ball and Socket End Play -

Check/Adjust ...................................................... 114Engine Air Filter Primary Element - Clean/

Replace .............................................................. 115Engine Air Filter Secondary Element - Replace .. 118

Engine Air Filter Service Indicator -Inspect/Replace ................................................. 118

Engine Air Filter Service Indicator Screen -Check/Replace ................................................... 119

Engine Air Precleaner - Clean ............................ 120Engine Crankcase Breather - Replace ............... 120Engine Overheating ............................................ 123Engine Power Loss ............................................. 124Ether Starting Aid Cylinder - Replace ................. 125Evaporator Coil and Heater Coil - Clean ............ 125Fuel System - Fill ................................................ 127Fuses - Replace .................................................. 131Moldboard Wear Strip - Inspect/Adjust/Replace .. 138Radiator - Clean .................................................. 139

Radiator Core - Clean ......................................... 139Ripper Tip - Inspect/Replace .............................. 140Scarifier Teeth - Inspect/Replace ........................ 142Window Washer Reservoir - Fill .......................... 152Window Wiper - Inspect/Replace ........................ 153Windows - Clean ................................................. 153

Every 10 Service Hours or Daily

Air Tank Moisture and Sediment - Drain ............... 94Backup Alar m - Test .............................................. 95Brakes, Indicators and Gauges - Test ................... 98Circle Drive Pinion Teeth - Lubricate .................. 105Circle Top - Lubricate .......................................... 106Cooling System Coolant Level - Check ............... 110Engine Oil Level - Check .................................... 120Fuel System Water Separator - Drain ................. 130Fuel Tank Water and Sediment - Drain ............... 131Seat Belt - Inspect .............................................. 142Transmission and Differential Oil Level - Check .. 149

Initial 100 Service Hours

Transmission and Differential Oil Filter and Screens -Replace/Clean .................................................. 147

Every 100 Service Hours or 2 Weeks

Articulation Bearings - Lubricate ........................... 94 Axle Oscillation Bearings - Lubricate .................... 95Belt - Inspect ......................................................... 96Blade Lift Cylinder Socket - Lubricate ................... 98Cab Air Filter - Clean/Replace ............................ 100Center shift Cylinder Socket - Lubricate .............. 101

Centershift Lock Bar - Clean/Lubricate ............... 101Drawbar Ball and Socket - Lubricate ................... 114Hydraulic System Oil Level - Check .................. 136Kingpin Bearings - Lubricate ............................... 137Ripper Cylinder Bearings - Lubricate .................. 140Scarifier Lift Link Socket - Lubricate ................... 142Tandem Drive Oil Level - Check ......................... 145Tire Inflation - Check ........................................... 145Wheel Lean Bar Bearings - Lubricate ................. 151Wheel Lean Bearings - Lubricate ....................... 151Wheel Lean Cylinder Bearings - Lubricate ......... 152

Initial 500 Service Hours (or at first oilchange)

Battery or Battery Cable - Inspect/Replace .......... 95Electronic Unit Injector - Inspect/Adjust ............... 115Engine Valve Lash - Check ................................. 124

Every 500 Service Hours or 3 Months

Braking System - Test ........................................... 99Cooling System Coolant Sample (Level 1) -

Obtain ................................................................ 110Engine Air Filter Service Indicator -

Inspect/Replace ................................................. 118Engine Oil Sample - Obtain ................................ 121Engine Oil and Filter - Change ........................... 121

manual de operacion y mantenimiento motoniveladora cat 140

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