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W20F

Wheel Loader

SERVICE MANUAL

Wheel Loader

W20F

Part number 48096018

A

2

nd

edition English

May 2018

© 2018 CNH Industrial Latin America LTDA. All Rights Reserved.

SER
VICE MANU

AL

Part number 48096018

1
2
3
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Summary of Contents for W20F

Page 1: ...1 1 W20F Wheel Loader SERVICE MANUAL Wheel Loader W20F Part number 48096018A 2nd edition English May 2018 2018 CNH Industrial Latin America LTDA All Rights Reserved SERVICE MANUAL Part number 48096018 ...

Page 2: ...SERVICE MANUAL W20F Standard model with cab Tier 3 made in Brazil W20F Fertilizer model with cab Tier 3 made in Brazil 48096018A 18 05 2018 EN Find manuals at https best manuals com ...

Page 3: ...684T J601 W20F Standard model with cab Tier 3 made in Brazil Latin America F4GE9684T J601 W20F Fertilizer model with cab Tier 3 made in Brazil Asia Pacific F4GE9684T J601 W20F Fertilizer model with cab Tier 3 made in Brazil Australia New Zealand F4GE9684T J601 W20F Fertilizer model with cab Tier 3 made in Brazil Europe F4GE9684T J601 W20F Fertilizer model with cab Tier 3 made in Brazil Latin Ameri...

Page 4: ...trols 21 3 21 155 Powershift transmission internal components 21 4 Front axle system 25 25 100 Powered front axle 25 1 25 102 Front bevel gear set and differential 25 2 25 108 Final drive hub steering knuckles and shafts 25 3 Rear axle system 27 27 100 Powered rear axle 27 1 27 106 Rear bevel gear set and differential 27 2 27 120 Planetary and final drives 27 3 27 124 Final drive hub steering knuc...

Page 5: ... control valves 35 6 35 701 Front loader arm hydraulic system 35 7 35 736 Boom hydraulic system 35 8 Frames and ballasting 39 39 100 Frame 39 1 Steering 41 41 200 Hydraulic control components 41 1 41 206 Pump 41 2 41 216 Cylinders 41 3 41 101 Steering control 41 4 Wheels 44 44 520 Rear wheels 44 1 44 511 Front wheels 44 2 Cab climate control 50 50 104 Ventilation 50 1 50 200 Air conditioning 50 2 ...

Page 6: ...n and Air Conditioning HVAC control system 55 7 55 100 Harnesses and connectors 55 8 55 404 External lighting 55 9 55 408 Warning indicators alarms and instruments 55 10 Booms dippers and buckets 84 84 100 Bucket 84 1 Platform cab bodywork and decals 90 90 114 Operator protections 90 1 90 151 Cab interior 90 2 48096018A 18 05 2018 Find manuals at https best manuals com ...

Page 7: ...48096018A 18 05 2018 Find manuals at https best manuals com ...

Page 8: ...INTRODUCTION 48096018A 18 05 2018 1 Find manuals at https best manuals com ...

Page 9: ...ydraulics 33 Basic instructions Shop and assembly 35 Basic instructions Daily inspection 37 General specifications 38 Overall dimensions 42 Operating weights 46 Conversion factors 47 Consumables 59 Hydraulic contamination 61 Product identification Sides of the machine 62 Part identification Identification plates 63 Part identification Security lock transport and service 65 Part identification Acce...

Page 10: ...nts 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 The manufacturer reserves the right to make improvements in ...

Page 11: ...ata specifications the functional data how it works the diagnostic data fault codes and troubleshooting and the service data remove install adjust etc By integrating SAP coding into technical information you will be able to search and retrieve just the right piece of technical information you need to resolve that customer s concern on his machine This is made possible by attaching 3 categories to ...

Page 12: ...stems on the machine Each Section is identified by a number 00 35 55 etc The Sections included in the manual will depend on the type and function of the machine that the manual is written for Each Section has a Contents page listed in alphabetic numeric order This table illustrates which Sections could be included in a manual for a particular product PRODUCT Tractors Vehicles with working arms bac...

Page 13: ... Separation X 73 Residue handling X 74 Cleaning X 75 Soil preparation Finishing 76 Secondary cleaning Destemmer 77 Seeding X 78 Spraying X 79 Planting X 80 Crop storage Unloading X 82 Front loader and bucket X X 83 Telescopic single arm X X 84 Booms dippers and buckets X X 86 Dozer blade and arm X X 88 Accessories X X X X X 89 Tools X X X X X 90 Platform cab bodywork and decals X X X X 48096018A 1...

Page 14: ... 10 001 TECHNICAL DATA ENGINE Engine and crankcase General specification 10 001 D 40 A 10 4 FUNCTIONAL DATA ENGINE Engine and crankcase Dynamic description 10 001 C 30 A 10 6 SERVICE ENGINE Engine and crankcase Remove 10 001 F 10 A 10 8 DIAGNOSTIC ENGINE Engine and crankcase Troubleshooting 10 001 G 40 A 10 10 INDEX The Chapter Index lists in alphabetical order all the types of information called ...

Page 15: ...the chapters of the service manual After B there may be some additional information In this case it shows 01 which represents the Front block cover These options may be front rear left right hydraulic mechanical etc C corresponds to the type of information listed in the chapter contents Technical Data Functional Data Diagnos tic or Service A and B are also shown in the page numbering on the page f...

Page 16: ...t with any fuels oils fluids acids solvents etc Most of them contain substances which may be harmful to your health Avoid spills when draining fluid Store them safely until they can be disposed of properly in compliance with local legislation Protect hoses and pipes during welding works because the sparks generated during the welding work can damage them allowing the fluid to leak Mandatory recycl...

Page 17: ...e color associated with Warning is ORANGE CAUTION Indicates a potential danger that if not avoided can cause minor or moderate injury ORANGE also alerts the operator to unsafe practices The color associated with Caution is YELLOW FAILURE TO FOLLOW DANGER WARNING AND CAUTION MESSAGES COULD RESULT IN DEATH OR SERIOUS INJURY Machine safety NOTICE Indicates a situation that if not avoided could result...

Page 18: ...ng foot boards Workers should be properly trained to work with electricity Do not smoke or start an open flame close to batteries and any fuel material Place soiled rags with oil diesel fuel or solvents in specially provided anti fire containers Do not use any tool or equipment for any use other than what it was originally intended for Serious injury may occur If running an engine indoors make sur...

Page 19: ...fication will compromise warranty assistance and may affect engine operation and life span For engine equipped with an electronic control unit Do not weld on any part of the equipment without removing the control unit Remove the in case of work requiring heating over 80 C 176 F Do not paint the components and the electronic connections Do not alter any data filed in the electronic control unit dri...

Page 20: ... and all the equipment that you remove Never check or fill the fuel tank or batteries or use starting fluid when you are smoking or near a naked flame because these fluids are flammable The fuel filling gun must remain in contact with the filler neck Maintain the contact until the fuel stops flowing into the tank in order to avoid sparks caused by static electricity build up To transport a faulty ...

Page 21: ...n serious infections or dermatitis Always read the system pressure using suitable gauges Wheels and tires Make sure that the tires are correctly inflated at the pressure specified by the manufacturer Inspect the rims and tires regularly for any damage Remain next to the tire when filling it with air Only check the pressure when the platform is unloaded and the tires are cold in order to prevent in...

Page 22: ...ance immediately Chemicals General You must always take care when using and handling chemicals such as solvents sealants adhesives paints foam resins battery acids anti freeze brake fluid oils and greases They may be harmful toxic corrosive irritant or highly flammable They may also emit hazardous fumes or dust Do Remove chemicals from skin and clothing as soon as possible after contact Change ver...

Page 23: ...capacity Use low voltage equipment 110 volt for work lights and inspection lights wherever possible Use pneumatic equip ment instead of electrical equipment wherever possible In the event of electrocution Turn off the electricity before approaching the victim If that is not possible push or pull the victim away from the source of the electricity using a dry non conductive material If you have been...

Page 24: ...a high boiling point can cause serious skin diseases including skin cancer Gas cylinders See fire In general gases such as oxygen carbon dioxide argon and propane are stored in cylinders with pres sures of up to 140 bar 2000 lb in2 You need to take sufficient care when handling them to prevent physical damage to the cylinders and the valve accessories The content of each cylinder must be clearly i...

Page 25: ...and prolonged or recurrent contact can cause irritation and dermatitis Some can be absorbed through the skin in toxic or harmful quantities Splashes into the eyes can cause serious irritation and even lead to blindness Wear protective sleeves protective goggles and protective clothing Ensure that there is good ventilation during use avoid inhaling smoke fumes and spray clouds and keep containers s...

Page 26: ...icles Shut down the engine Place the ignition key in the OFF position to shut down the engine NOTICE After you shut down the machine wait at least 8 min to shut down the battery cables or the master switch if equipped This time is necessary so that the engine s electronic system if equipped can store the settings data in the electronic module Disconnect the batteries and the wires from terminals D...

Page 27: ...nts before welding or cutting them SP0059 2 Remove the paint before welding or heating NOTICE Hazardous fumes can be generated when the paint is heated by the welding arc or torch flame If inhaled these fumes may be harmful to your health Do not breath in potentially toxic fumes and dust Do all such work outside or in a well ventilated area Handle and dispose of waste from paints or solvents in ac...

Page 28: ...47783A1_B 1 Never allow unauthorized persons without training or knowledge of the machine to perform maintenance tasks Follow all of the recommended maintenance and ser vice procedures Do not leave the operator s seat if the operation requires that the engine remains on If necessary call another person to assist you in the verification procedure with the machine in operation Keep all machine compo...

Page 29: ...loves to handle chains and cables ear protection protective goggles reflector vests and respirators when required SP0005 5 Support cradles Do not use the control levers or hydraulic hoses as sup ports The hydraulic hoses and the control levers are movable parts The hydraulic hoses and the control levers do not provide solid support Also the control levers can be moved inadvertently and cause unexp...

Page 30: ...to pass or remain near or below a raised attachment NOTE Never move or stop the bucket above people or a cab of another machine or truck When the maintenance to be performed requires ac cess to areas that cannot be reached from the ground use a ladder or scaffolding Workshop maintenance or field scaffolding should be manufactured and maintained in accordance with the safety regulations NOTE If a l...

Page 31: ...ruck by flying debris Protect yourself from injury caused by parts or debris that may be thrown use protective goggles or a face shield Keep people away from the work area before you per form any maintenance on the machine SP0056 8 Use appropriate tools Use tools appropriate for the work to be performed Inappropriate tools parts and procedures may create dangerous conditions Use tools of correct d...

Page 32: ...rea clean and dry at all times Clean all spills of water fluid or fuel immediately Do not pile up rags soiled with fluid or grease This is a fire hazard Store soiled rags in closed metal contain ers Rust and corrosion inhibitors are volatile and flammable Prepare parts in well ventilated areas Keep flames away Do not smoke Store containers of fluids in cool and well ventilated areas where they can...

Page 33: ...ical system NOTE Familiarize yourself with the battery cable dis connection sequence and the disconnection sequence of other electrical and electronic components before you start the service procedure The sulfuric acid contained in the battery is poisonous The acid is strong enough to scald the skin corrode clothes and cause blindness if it comes into contact with the eyes NOTE Wash your eyes with...

Page 34: ... hot water or steam can cause severe burns Avoid possible burns that may be caused by hot water or steam under pressure Do not remove the radiator cap until the engine is cool After the engine has cooled turn the cap slowly to allow all the pressure to be released We advise you to wear safety goggles and gloves to perform this operation After the pressure is released remove the cap com pletely The...

Page 35: ...ed components until the pressure has been released Use extreme caution when you remove the radiator the expansion tank or the covers the drain plugs the grease fittings or other pressure components Park the machine and let it cool before opening a pres surized tank Release all pressure before you work on systems with an accumulator Hydraulic fluid or diesel fuel that leaks under pressure can penet...

Page 36: ...5 N m 311 lb in 17 N m 151 lb in 24 N m 212 lb in M10 37 N m 27 lb ft 49 N m 36 lb ft 52 N m 38 lb ft 70 N m 51 lb ft 33 N m 25 lb ft 48 N m 35 lb ft M12 64 N m 47 lb ft 85 N m 63 lb ft 91 N m 67 lb ft 121 N m 90 lb ft 58 N m 43 lb ft 83 N m 61 lb ft M16 158 N m 116 lb ft 210 N m 155 lb ft 225 N m 166 lb ft 301 N m 222 lb ft 143 N m 106 lb ft 205 N m 151 lb ft M20 319 N m 235 lb ft 425 N m 313 lb ...

Page 37: ...7 N m 42 lb ft 77 N m 56 lb ft 37 N m 27 lb ft 53 N m 39 lb ft M12 70 N m 52 lb ft 93 N m 69 lb ft 100 N m 74 lb ft 134 N m 98 lb ft 63 N m 47 lb ft 91 N m 67 lb ft M16 174 N m 128 lb ft 231 N m 171 lb ft 248 N m 183 lb ft 331 N m 244 lb ft 158 N m 116 lb ft 226 N m 167 lb ft M20 350 N m 259 lb ft 467 N m 345 lb ft 484 N m 357 lb ft 645 N m 476 lb ft 318 N m 235 lb ft 440 N m 325 lb ft M24 607 N m...

Page 38: ...m 54 lb ft 98 N m 73 lb ft 104 N m 77 lb ft 139 N m 103 lb ft 76 N m 56 lb ft 108 N m 80 lb ft 9 16 107 N m 79 lb ft 142 N m 105 lb ft 150 N m 111 lb ft 201 N m 148 lb ft 111 N m 82 lb ft 156 N m 115 lb ft 5 8 147 N m 108 lb ft 196 N m 145 lb ft 208 N m 153 lb ft 277 N m 204 lb ft 153 N m 113 lb ft 215 N m 159 lb ft 3 4 261 N m 193 lb ft 348 N m 257 lb ft 369 N m 272 lb ft 491 N m 362 lb ft 271 N ...

Page 39: ... method No marks 3 Clock marking method No marks Grade B 1 Corner marking method One circumferential notch 2 Flats marking method Letter B 3 Clock marking method Three marks Grade C 1 Corner marking method Two circumferential notches 2 Flats marking method Letter C 3 Clock marking method Six marks 20090268 4 48096018A 18 05 2018 32 ...

Page 40: ...0 15 lb ft 6 9 5 mm 3 8 in 9 16 18 29 33 N m 21 24 lb ft 20 27 N m 15 20 lb ft 8 12 7 mm 1 2 in 3 4 16 47 54 N m 35 40 lb ft 34 41 N m 25 30 lb ft 10 15 9 mm 5 8 in 7 8 14 72 79 N m 53 58 lb ft 47 54 N m 35 40 lb ft 12 19 1 mm 3 4 in 1 1 16 12 104 111 N m 77 82 lb ft 81 95 N m 60 70 lb ft 14 22 2 mm 7 8 in 1 3 16 12 122 136 N m 90 100 lb ft 95 109 N m 70 80 lb ft 16 25 4 mm 1 in 1 5 16 12 149 163 ...

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