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INTRODUCTION

Thread Locker and Sealing

Prod-

uct

Color

Strength

Fixture/Full

Cure (Steel/

Steel) Time

Recom-

mended

Primer or

Activator

Description

290

Green

10 - 40 Nm

(

90

- 355 lb in

)

20 min/4 hrs

7471 or
7469

Is designed for the locking and sealing of threaded
fasteners. Because of its low viscosity and capillary
action, the product wicks between engaged threads
and eliminates the need to disassemble prior to
application.

425

Dark
blue

0.23 - 8.5 Nm

(

2 - 75 lb in

)

2 min/24 hrs

7113

Is designed as a fast curing, low strength adhesive
for locking metal and plastics fasteners. The
product is designed for pre- or post-application.
LOCTITE® 425™ cures quickly on plated metal
and plastics fasteners; fixturing is achieved in less
than 2 minutes and full strength within 24 hours.

71114548 16/03/2015

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Содержание 2050M

Страница 1: ...Dozers Service Manual 1 1 Part Number 71114548 1st Edition English 03 2015 Printed in Brazil Copyright 2015 CNH Industrial Latin America LTDA All Rights Reserved Part Number 71114548 1st Edition English 03 2015 2050M Crawler Dozers ...

Страница 2: ...SERVICE MANUAL 2050M Bulldozer 2050M PAT 71114548 16 03 2015 EN Find manuals at https best manuals com ...

Страница 3: ...tatic drive 29 29 218 Pump and motor components 29 1 Brakes and controls 33 33 110 Parking brake or parking lock 33 1 33 202 Hydraulic service brakes 33 2 Hydraulic systems 35 35 300 Reservoir cooler and filters 35 1 35 104 Fixed displacement pump 35 2 35 106 Variable displacement pump 35 3 35 105 Charge pump 35 4 35 359 Main control valve 35 5 35 741 Dozer blade cylinders 35 6 35 752 Hydraulic fa...

Страница 4: ...4 55 030 Service brake electrical system 55 5 55 050 Heating Ventilation and Air Conditioning HVAC control system 55 6 55 100 Harnesses and connectors 55 7 55 201 Engine starting system 55 8 55 202 Cold start aid 55 9 55 301 Alternator 55 10 55 302 Battery 55 11 55 512 Cab controls 55 12 55 518 Wiper and washer system 55 13 55 DTC FAULT CODES 55 14 Dozer blade and arm 86 86 110 Dozer blade 86 1 To...

Страница 5: ... 90 114 Operator protections 90 2 90 100 Engine hood and panels 90 3 71114548 16 03 2015 Find manuals at https best manuals com ...

Страница 6: ...INTRODUCTION 71114548 16 03 2015 1 Find manuals at https best manuals com ...

Страница 7: ...sic instructions Shop and assembly 15 Torque 17 General specification 19 Conversion factors 23 Consumables Loctite Product Chart 25 Hydraulic contamination 31 Capacities 32 Capacities 33 Capacities 34 Capacities 35 Product identification 36 Product identification Machine Orientation front right rear left 38 See content for specific models 71114548 16 03 2015 2 Find manuals at https best manuals co...

Страница 8: ...njury CAUTION indicates a hazardous situation that if not avoided could result in minor or moderate injury FAILURE TO FOLLOW DANGER WARNING AND CAUTION MESSAGES COULD RESULT IN DEATH OR SERIOUS INJURY Machine safety NOTICE Notice indicates a situation that if not avoided could result in machine or property damage Throughout this manual you will find the signal word Notice followed by special instr...

Страница 9: ...ures to get into the soil Collect and dispose of coolant mixtures properly The air conditioning system contains gases that should not be released into the atmosphere Consult an air condi tioning specialist or use a special extractor to recharge the system properly Repair any leaks or defects in the engine cooling system or hydraulic system immediately Do not increase the pressure in a pressurized ...

Страница 10: ...e tag The tag should only be removed by the person who signed and attached the tag after validating the repairs or services have been completed A D E B F C 87358697 1 Tag Components A DO NOT REMOVE THIS TAG Warning The tag should only be removed by the person who signed and at tached the tag after validating the repairs or services have been completed B See Other Side Reference to additional infor...

Страница 11: ... items can become entangled in moving parts Wear protective equipment when appropriate DO NOT attempt to remove material from any part of the machine while it is being operated or components are in motion Make sure all guards and shields are in good condition and properly installed before operating the machine Never operate the machine with shields removed Always close access doors or panels befor...

Страница 12: ...d pets before you start operating the machine Unsupported hydraulic cylinders can lose pressure and drop the equipment causing a crushing hazard Do not leave equipment in a raised position while parked or during service unless securely supported Jack or lift the machine only at jack or lift points indicated in this manual Incorrect towing procedures can cause accidents When towing a disabled machi...

Страница 13: ...ocked together for road travel Use safety chains for trailed equipment when provided with machine or equipment Lift implements and attachments high enough above ground to prevent accidental contact with road When transporting equipment or machine on a transport trailer make sure it is properly secured Be sure the SMV on the equipment or machine is covered while being transported on a trailer Be aw...

Страница 14: ...rocedure shown in the oper ator s manual Do not short across terminals Follow manufacturer s instructions when storing and handling batteries Battery post terminals and related accessories contain lead and lead compounds Wash hands after handling This is a California Proposition 65 warning Battery acid causes burns Batteries contain sulfuric acid Avoid contact with skin eyes or clothing Antidote e...

Страница 15: ...Seat belt inspection and maintenance Keep seat belts in good condition Keep sharp edges and items that can cause damage away from the belts Periodically check belts buckles retractors tethers slack take up system and mounting bolts for damage and wear Replace all parts that have damage or wear Replace belts that have cuts that can make the belt weak Check that bolts are tight on the seat bracket o...

Страница 16: ... servicing the machine Dispose of all fluids filters and containers in an environmentally safe manner according to local laws and regulations Check with local environmental and recycling centers or your dealer for correct disposal information Store fluids and filters in accordance with local laws and regulations Use only appropriate containers for the storage of chemicals or petrochemical substanc...

Страница 17: ... other controls or accessories as handholds when entering or exiting the cab or operator s platform Working at heights When the normal use and maintenance of the machine requires working at heights Correctly use installed steps ladders and railings Never use ladders steps or railings while the machine is moving Do not stand on surfaces which are not designated as steps or platforms Do not use the ...

Страница 18: ...mp ditch or rough ground Use caution when operating the machine on slopes Raised equipment full tanks and other loads can change the center of gravity of the machine The machine can tip or roll over when near ditches and embankments or uneven surfaces Do not operate the unit near or on the soft shoulders of canals brooks other waterways or banks which are under mined by rodents The unit may sink s...

Страница 19: ... responsibility for damages caused by parts and or components not approved by the manu facturer including those used for the servicing or repair of the product manufactured or marketed by the manufacturer In any case no warranty is given or attributed on the product manufactured or marketed by the manufacturer in case of damages caused by parts and or components not approved by the manufacturer Th...

Страница 20: ...llation tool Do not tap the seal with a hammer or mallet 6 While you insert the seal check that the seal is perpendicular to the seat When the seal settles make sure that the seal makes contact with the thrust element if required 7 To prevent damage to the seal lip on the shaft position a protective guard during installation operations O ring seals Lubricate the O ring seals before you insert them...

Страница 21: ... ground cable from the machine battery The electronic monitoring system and charging system will be damaged if this is not done 5 Remove the battery ground cable Reconnect the cable when you complete welding WARNING Battery acid causes burns Batteries contain sulfuric acid Avoid contact with skin eyes or clothing Antidote external Flush with water Antidote eyes flush with water for 15 minutes and ...

Страница 22: ...ent Torque Drive Hub Rolling Torque 10 24 N m 7 18 lb ft Input Shaft Bearing Retainer Plate Mounting Bolts 77 87 N m 57 64 lb ft Park Brake Housing Plate 77 87 N m 57 64 lb ft Brake Housing Cover M20 X 50 12 pnt 650 730 N m 479 538 lb ft Brake Line Fitting 55 60 N m 41 44 lb ft Brake Bleeder Fitting 24 30 N m 18 22 lb ft Counter Shaft Bearing Retainer Plate Mounting Bolts 135 150 N m 100 111 lb ft...

Страница 23: ...m 50 57 lb ft Battery terminal nut 17 7 24 5 Nm 13 18 lb ft Solenoid screw 2 6 4 5 Nm 23 40 lb in Multifunction valve Component Torque Brake valve 3 4 N m 2 3 lb ft Brake valve screws 3 4 N m 2 3 lb ft Cartridge valve 32 6 35 4 N m 24 0 26 1 lb ft Check valve 150 177 N m 111 131 lb ft Powertrain specifications Component Torque Cradle to chassis front 185 200 N m 136 148 lb ft Cradle to chassis rea...

Страница 24: ... screws 2 5 8 L9 Alloy SAE markings for hex nuts Grade 2 Grade 5 5 1 or 5 2 Grade 8 or 8 2 Grade L9 Alloy Dry Lubricated Dry Lubricated Dry Lubricated Head Nut Size Nm lb ft Nm lb ft Nm lb ft Nm lb ft Nm lb ft Nm lb ft Nm lb ft Nm lb ft 1 4 UNF 7 5 5 5 5 7 4 2 10 8 8 8 5 6 3 16 3 12 12 2 9 13 6 10 14 9 11 1 4 UNC 8 5 6 3 6 4 4 7 13 6 10 9 8 7 2 19 14 13 6 10 16 3 12 17 6 13 5 16 UNF 15 11 11 8 23 ...

Страница 25: ... 1980 1460 4285 3160 3214 2370 3932 2900 4407 3250 1 1 2 UNC 1329 980 990 730 2983 2200 2224 1640 4827 3560 3621 2670 4475 3300 4949 3650 NOTICE DO NOT use these values if a different torque value or tightening procedure is given for a specific applica tion Torque values listed are for general use only Check tightness of fasteners periodically Shear bolts are designed to fail under predetermined l...

Страница 26: ... mm 3 8 inch 9 16 18 27 to 33 240 to 300 8 12 7 mm 1 2 inch 3 4 16 46 56 408 to 504 10 15 9 mm 5 8 inch 7 8 14 77 to 85 684 to 756 12 19 0 mm 3 4 inch 1 1 16 12 107 to 119 79 to 88 14 22 2 mm 7 8 inch 1 3 16 12 127 to 140 94 to 103 16 25 4 mm 1 0 inch 1 5 16 12 131 to 156 97 to 117 20 31 8 mm 1 1 4 inch 1 5 8 12 197 to 223 145 to 165 24 38 1 mm 1 1 2 inch 1 7 8 12 312 to 338 230 to 250 Straight th...

Страница 27: ...8 14 102 to 114 75 to 84 12 1 1 16 12 142 to 160 105 to 117 16 1 5 16 12 237 to 254 175 to 187 Pipe fitting Non SAE dash size Thread size TFFT Turns For Finger Tight 2 1 8 27 2 0 3 0 3 1 8 27 2 0 3 0 4 1 8 27 2 0 3 0 5 1 8 27 2 0 3 0 6 1 4 18 1 5 3 0 8 3 8 18 2 0 3 0 10 1 2 14 2 0 3 0 12 3 4 14 2 0 3 0 14 3 4 14 2 0 3 0 16 1 11 1 2 1 5 2 5 20 1 1 4 11 1 2 1 5 2 5 24 1 1 2 11 1 2 1 5 2 5 32 2 11 1 ...

Страница 28: ... 35 314 66 1 307 950 0 033 814 1 056 814 0 879 877 0 264 172 0 219 969 cubic inch cubic foot cubic yd ounce US fluid quart US liquid quart Imperial gallon US liquid gallon Imperial VOLUME TIME litre min litre min 0 264 172 0 219 969 gallon min US liquid gallon min Imperial U S to Metric MULTIPLY BY TO OBTAIN AREA square foot acre 0 092 903 0 404 686 square meter hectare FORCE ounce force pound for...

Страница 29: ...unce US fluid quart US liquid quart Imperial gallon US gallon Imperial 16 387 06 0 028 317 0 764 555 29 573 53 0 946 353 1 136 523 3 785 412 4 546 092 cubic centimeter cubic meter cubic meter milliliter litre litre litre litre VOLUME TIME gallon min 3 785 412 litre min 71114548 16 03 2015 24 ...

Страница 30: ...el The gel consistency prevents adhesive flow even on vertical surfaces 426 Black 4 8 20 7 MPa 696 3003 psi 10 sec 40 sec none Is an adhesive gel toughened with elastomers for impact and peel strength along with improved resistance to heat and humidity 454 Clear to slightly cloudy 19 28 MPa 2756 4061 psi 1 min 72 hrs none Is particularly suited for bonding porous or absorbent materials such as woo...

Страница 31: ...de retaining roller bearings or oil impregnated bushings into housings 609 Green 10 3 15 8 MPa 1494 2292 psi 25 min 6 hrs 7471 or 7469 Is designed for the bonding of cylindrical fitting parts The product cures when confined in the absence of air between close fitting metal surfaces and prevents loosening and leakage from shock and vibration Typical applications include rotor to shafts in fractiona...

Страница 32: ...product possesses excellent gap cure characteristics Typical applications include restoring correct fits on worn shafts spun bearings and damaged keyways 680 Green 19 3 24 1 MPa 2799 3496 psi 20 min 1 1 hrs 7471 or 7469 Is designed for the bonding of cylindrical fitting parts particularly where low viscosity is required The product cures when confined in the absence of air between close fitting me...

Страница 33: ... MPa 870 2031 psi 30 min 18 hrs 7471 or 7469 It seals close fitting joints between rigid metal faces and flanges and will flex with minor flange movements Provides resistance to low pressures immediately after assembly of flanges Typically used as a form in place gasket for pumps thermostats compressors transmission housings and axle covers 518 Red 7 5 8 5 MPa 1088 1233 psi 30 min 8 hrs 7471 or 74...

Страница 34: ...embly 222 Purple 4 14 Nm 35 124 lb in 20 min 3 hrs 7471 or 7469 Is designed for the locking and sealing of threaded fasteners which require easy disassembly with standard hand tools 242 Blue 5 6 17 Nm 50 150 lb in 3 min 6 hrs 7471 or 7469 Is designed for the locking and sealing of threaded fasteners which require normal disassembly with standard hand tools 243 Blue 7 24 Nm 62 212 lb in 10 min 1 hr...

Страница 35: ...ty and capillary action the product wicks between engaged threads and eliminates the need to disassemble prior to application 425 Dark blue 0 23 8 5 Nm 2 75 lb in 2 min 24 hrs 7113 Is designed as a fast curing low strength adhesive for locking metal and plastics fasteners The product is designed for pre or post application LOCTITE 425 cures quickly on plated metal and plastics fasteners fixturing ...

Страница 36: ...rts wear rapidly F Relief valves or check valves held open by dirt G Quick failure of components that have been repaired H Cycle times are slow machine does not have enough power If your machine has any of these problems check the hydraulic oil for contamination There are two types of contam ination microscopic and visible Microscopic contamination occurs when very fine particles of foreign materi...

Страница 37: ...servoir Transmission refill Capacity 210 L 55 US gal Specifications CASE AKCELA AUTO SUPREME 10W 30 Final drives Capacity Each Side 25 0 L 26 4 US qt Specifications CASE AKCELA GEAR 135 H EP 85W 140 Track roller Capacity Each 0 275 L 0 29 US qt Front idler Capacity Each 0 225 L 0 238 US qt Carrier roller Capacity Each 0 334 L 0 353 US qt CLT and CELT tracks Capacity Each Pin 29 0 ml 1 0 US fl oz G...

Страница 38: ...L 55 US gal Specifications CASE AKCELA AUTO SUPREME 10W 30 Final drives Capacity Each Side 25 0 L 26 4 US qt Specifications CASE AKCELA GEAR 135 H EP 85W 140 Track roller Capacity Each 0 275 L 0 29 US qt Front idler Capacity Each 0 225 L 0 238 US qt Carrier roller Capacity Each 0 334 L 0 353 US qt SALT and ALT tracks Capacity Each Pin 29 0 ml 1 0 US fl oz Grease fittings Quantity As Required Speci...

Страница 39: ...reservoir Transmission refill Capacity 210 L 55 US gal Specifications CASE AKCELA AUTO SUPREME 10W 30 Final drives Capacity Each Side 25 L 26 US qt Specifications CASE AKCELA GEAR 135 H EP 85W 140 Track roller Capacity Each 0 275 L 0 29 US qt Front idler Capacity Each 0 225 L 0 238 US qt Carrier roller Capacity Each 0 334 L 0 353 US qt SALT and ALT tracks Capacity Each Pin 29 0 ml 1 0 US fl oz Gre...

Страница 40: ...0 0 L 55 5 US gal Specifications CASE AKCELA AUTO SUPREME 10W 30 Final drives Capacity Each Side 25 0 L 26 4 US qt Specifications CASE AKCELA GEAR 135 H EP 85W 140 Track roller Capacity Each 0 275 L 0 29 US qt Front idler Capacity Each 0 225 L 0 238 US qt Carrier roller Capacity Each 0 334 L 0 353 US qt CLT and CELT tracks Capacity Each Pin 29 0 ml 1 0 US fl oz Grease fittings Quantity As Required...

Страница 41: ...in in a safe place If the machine is stolen report the numbers to your local law enforcement agency Machine identification Model name Product Identification Number PIN Model year The PIN plate is located on the left side of the machine in front of the engine access door RAPH12DOZ0131AA 1 Roll Over Protective Structure ROPS The ROPS serial number plate is located in the left rear access compartment...

Страница 42: ...INTRODUCTION Dozer blade The serial number plate is on the right side of the dozer blade RAIL13DOZ1609AA 4 71114548 16 03 2015 37 ...

Страница 43: ...rientation front right rear left 2050M LA The terms right hand left hand front and rear are used in this manual to indicate the sides as they are seen from the operator s seat 1 Front 2 Right 3 Rear 4 Left RAPH13DOZ0888CA 1 71114548 16 03 2015 38 ...

Страница 44: ...SERVICE MANUAL Engine 2050M Bulldozer 2050M PAT 71114548 16 03 2015 10 ...

Страница 45: ...10 2 10 202 Air cleaners and lines 10 3 10 250 Turbocharger and lines 10 4 10 254 Intake and exhaust manifolds and muffler 10 5 10 400 Engine cooling system 10 6 10 414 Fan and drive 10 7 10 310 Aftercooler 10 8 10 304 Engine lubrication system 10 9 71114548 16 03 2015 10 ...

Страница 46: ...Engine 10 Engine and crankcase 001 2050M Bulldozer 2050M PAT 71114548 16 03 2015 10 1 10 001 1 ...

Страница 47: ...Contents Engine 10 Engine and crankcase 001 SERVICE Engine Remove 3 Install 5 See content for specific models 71114548 16 03 2015 10 1 10 001 2 ...

Страница 48: ... points 2 Support the front of the hydraulic pump stack with an appropriate lifting device or stand 3 Remove the bolts and washers 1 from the right front engine to frame cradle mount and the left front engine to frame cradle mount RAIL14DOZ0447AA 1 4 Remove the mounting bolts and washers 1 from the left side engine to frame cradle mounting bracket 2 Remove the mounting bracket RAIL14DOZ0209AA 2 5 ...

Страница 49: ...dapter plate 2 7 Slowly move the engine forward to separate it from the hydrostatic drive pump stack and remove the engine from the frame cradle RAIL14DOZ0203AA 4 8 Remove the tandem pump flexible coupling assembly from the flywheel Next operation Engine Install 10 001 71114548 16 03 2015 10 1 10 001 4 ...

Страница 50: ...Use a level and verify that the engine mounting frame cradle is sitting on a level surface NOTE Before applying the torque to the mid engine to frame cradle mount bracket bolts and the front engine to mount frame cradle bolts to their final specification make sure that the frame cradle is level 5 Install the right side engine to frame cradle mounting bracket Apply LOCTITE 242 to the engine to fram...

Страница 51: ...This as a preview PDF file from best manuals com Download full PDF manual at best manuals com ...

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