Volvo A20C Volvo BM Articulated Hauler Workshop Repair Service Manual PDF - MVLVCONA20C.zip

A full-service repair and maintenance manual, complete with electrical wiring schematics, for the Articulated Haulers A20C Volvo and A20C Volvo BM. It contains the technical data needed to maintain, troubleshoot, and service these machines to the standard of professional technicians.

The Volvo Construction Equipment Articulated Haulers A20C workshop service and repair manual covers:

* Numbered table of contents easy to use so that you can find the information you need fast.

* Detailed sub-steps expand on repair procedure information

* Numbered instructions guide you through every repair procedure step by step.

* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.

* Notes, cautions and warnings throughout each chapter pinpoint critical information.

* Bold figure number help you quickly match illustrations with instructions.

* Detailed illustrations, drawings and photos guide you through every procedure.

* Enlarged inset helps you identify and examine parts in detail.

Articulated Haulers A20C Volvo Service Repair Manual.PDF

PRODUCT DETAILS:

Pages: 1,092

File Format: PDF (Windows & Mac & Linux)

Language: English

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MAIN SECTIONS

0 - GENERAL

1 - STANDARD PARTS, SERVICE

2 - ENGINE WITH MOUNTING AND EQUIPMENT

3 - ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS

4 - POWER TRANSMISSION

5 - BRAKE

6 - STEERING

7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT

8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE

9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPM.; MISC EQUIPM

TABLE OF CONTENTS

0 - Foreword......1

0 - GENERAL......2

00 - DESCRIPTION; COMPLETE MACHINE......3

Description......3

Product identification plates......4

03 - SPECIFICATIONS......6

Brakes......6

Capacities......8

Dimensions......9

Electrical system......11

Engine......14

Hydraulic system......17

Power transmission-[4410]......19

Specifications, change intervals......22

Steering system......23

Tightening torques......24

Volvo standard tightening torques......34

Weights......36

07 - STANDARD TIME......38

Time Guide......38

08 - TOOL......47

Recycling station FRS-10GS......47

Special tools for the drivetrain......49

1 - STANDARD PARTS, SERVICE......53

16 - LUBRICANT; FUEL; OTHER FLUID......54

Brake system, changing brake fluid......54

Recommended lubricants......56

17 - SERVICE......58

Cleanliness, hydraulic systems......58

Electric welding......59

Repairs of hydraulic systems......60

Towing......61

2 - ENGINE WITH MOUNTING AND EQUIPMENT......63

21 - ENGINE......64

Compression check, engine at operating temperature......64

Description-......67

Engine and transmission, mounting......68

Engine and transmission, removing......72

Engine, mounting......81

Engine, removing......85

Specifications, capacities-[3020]......93

Specifications, general-[2652]......94

Specifications, general-[2853]......95

Specifications, tightening torques-[2409]......96

Specifications, tightening torques-[2441]......98

Specifications, tightening torques-[2512]......99

Specifications, tightening torques-[2543]......100

Specifications, tightening torques-[2718]......101

Specifications, weights-[2919]......102

Valves, adjusting......103

22 - LUBRICATING SYSTEM......105

Lubrication oil pressure, checking......105

Specifications, general-[2217]......107

Specifications, general-[2318]......108

23 - FUEL SYSTEM......109

Automatic timing adjuster (alpha adjuster)......109

Automatic timing adjuster, checking......110

Fuel feed pump, checking feed pressure......116

Fuel system, bleeding......118

Idle speed, checking and adjusting......120

Injection angle TDC, checking and adjusting......122

Injection angle, checking......127

Injectors, changing all......131

Low emission engines......135

Slow and fast idle speed, checking and......137

Specifications, capacities-[1912]......140

Specifications, general-[1219]......141

Specifications, general-[1456]......142

Specifications, general-[1943]......143

Specifications, tightening torques-[1246]......144

Specifications, tightening torques-[1523]......145

Stall speed, checking with service display unit......146

Stall speed, checking......148

25 - INLET & EXHAUST SYSTEM......149

Specifications, general-[0722]......149

Specifications, general-[0754]......150

Specifications, tightening torques-[0825]......151

26 - COOLING SYSTEM......152

Coolant filter, changing......152

Coolant, changing......154

Description-[0646]......157

Fan motor, changing piston rings......162

Hydraulic motor for fan or......168

Radiator fan drive, checking function of motor......170

Radiator fan drive, general description......172

Radiator fan motor, adjusting speed......174

Radiator, changing......176

Specifications, capacities-[0605]......178

Specifications, general-[0008]......179

Specifications, general-[0538]......181

Thermostat valve (removed), reconditioning......182

Thermostat valve, checking function......184

Thermostat valve, description......185

27 - ENGINE CONTROL......186

Throttle pedal, anti-throttle cylinder, adjusting......186

3 - ELECTRICAL; WARNING; INFORMATION; INSTRUMENTS......188

30 - GENERAL......189

Description-[5730]......189

Electrical symbols......190

Fuses......194

Special instructions for servicing the electrical system......208

31 - BATTERY......209

Charging of batteries......209

Specifications, general-[5437]......210

32 - ALTERNATOR; CHARGE REGULATOR......211

Alternator, changing......211

Charging, checking in machine (multimeter)......213

Specifications, general-[5212]......217

Specifications, general-[5243]......218

33 - STARTING SYSTEM......219

Specifications, general-[5136]......219

Starter motor, changing......220

35 - LIGHTING......223

Headlight assembly, changing 1 headlight incl. adjusting alignment......223

Headlights, adjusting against wall or wing......224

Specifications, general-[5011]......225

37 - CABLE; FUSE; RELAY......226

Additional fuses (serial no. 3101–)......226

Additional fuses (serial no. –3100)......228

Circuit 14–36 (cont'd.) (serial no. 3101–)......230

Circuit 14–36 (cont'd.) (serial no. –3100)......234

Circuit 14–36 (serial no. 3101–)......238

Circuit 14–36 (serial no. –3100)......242

Circuit 37a–37e (serial no. 3101–)......246

Circuit 37a–37e (serial no. –3100)......250

Circuit 37f–37I (serial no. 3101–)......254

Circuit 37f–37I (serial no. –3100)......258

Circuit 38–53A (serial no. 3101–)......262

Circuit 38–53A (serial no. –3100)......266

Circuit 53B–75 (contd.) (serial no. –3100)......270

Circuit 53B–75 (serial no. 3101–)......273

Circuit 53B–75 (serial no. –3100)......277

Circuit 66 and 77 (serial no. 3101–)......281

Circuit 66 and 77 (serial no. –3100)......285

Circuit 76–89 (serial no. 3101–)......288

Circuit 76–89 (serial no. –3100)......292

Circuit 7–13 (serial no. 3101–)......296

Circuit 7–13 (serial no. –3100)......300

Circuit 90–91 (serial no. –3100)......304

Circuit 90–93 (serial no. 3101–)......307

Circuit 94 and 98 (serial no. 3101–)......310

Circuit board, right electrical distribution box (serial no. 3101–)......314

Circuit board, right electrical distribution box (serial no. –3100)......315

Circuit index......316

Code legend for connectors-[3310]......319

Code legend for connectors......385

Codes in wiring diagrams......455

Explanations of wiring diagrams......456

Fuses, left electrical distribution box (serial no. 3101–)......458

Fuses, left electrical distribution box (serial no. –3100)......459

Fuses, right electrical distribution box (serial no. 3101–)......460

Fuses, right electrical distribution box (serial no. –3100)......463

Instrument panel, (serial no. 3101–)......466

Instrument panel, (serial no. –3100......468

Relays, left electrical distribution box (serial no. 3101–)......470

Relays, left electrical distribution box (serial no. –3100)......472

Relays, right electrical distribution box (serial no. 3101–)......474

Relays, right electrical distribution box (serial no. –3100)......477

Specifications, general-[1607]......479

Template for pin numbers connector X1_A1......480

Wiring diagrams, Circuit 0–6 (serial no. –3100)......482

Wiring diagrams......484

38 - INSTRUMENT; SENSOR; WARNING & INFORMATION SYSTEM......487

Connection......487

Contronic Information Display Unit......488

Contronic service display unit......490

ECU, reading off with measuring instrument......492

Information display unit, displays......494

Information display unit, summary......499

Information on the service display unit-[0634]......500

Information on the service display unit......511

Load sensor, adjusting......520

Load sensor, checking electric circuits-[1133]......522

Load sensor, checking electric circuits......525

Measuring instrument, summary......527

Service display unit, summary......528

Specifications, general-[1031]......529

Specifications, general-[1531]......530

Speedometer, electric, calibrating......531

Speedometer, electronic (serial no. 3066 –31498)......532

Speedometer, electronic programming instructions......534

Speedometer, electronic......539

Using the service display unit......543

4 - POWER TRANSMISSION......544

40 - GENERAL......545

41 - CLUTCH; TORQUE CONVERTER......547

42 - TRANSMISSION; HYDRAULIC CONTROL......548

43 - GEARBOX......622

45 - PROPELLER SHAFT......648

46 - FRONT AXLE; REAR AXLE......668

48 - POWER TAKE OFF......705

5 - BRAKE......719

50 - GENERAL......720

Description-[2706]......720

Specifications, general-[2634]......722

51 - WHEEL BRAKE......723

Brake caliper, changing (per caliper)......723

Brake caliper, reconditioning......727

Brake disc for service brake, checking......730

Brake disc, changing......732

Brake pads for service brake, checking......746

Brake pads, changing (one wheel)......748

Specifications, tightening torques-[2500]......754

Specifications, weights-[2435]......755

52 - HYDRAULIC BRAKE SYSTEM......756

Brake system, bleeding......756

Description-[2057]......759

Foot-brake valve......762

Specifications, capacities-[2024]......768

55 - PARKING BRAKE......769

Parking brake caliper removed, reconditioning......769

Parking brake valve – hand-operated lever......771

Parking brake valve, reconditioning......775

Parking brake, changing brake caliper......779

Parking brake, changing brake disc......783

Parking brake, changing brake pads......786

Parking brake......789

Specifications, general-[1407]......790

Specifications, general-[1530]......791

Specifications, tightening torques-[1602]......792

Spring brake cylinder removed, reconditioning......793

Spring brake cylinder, changing......796

56 - COMPRESSED-AIR BRAKE......798

Air compressor......798

Air-hydraulic unit......799

Anti-freeze reservoir......800

Automatic adjustment lever......802

Compressor, changing......804

Cut-out and cut-in pressures, checking and adjusting......807

Foot-brake valve, reconditioning (removed)......809

Four-way pressure retaining valve, reconditioning (removed)......813

Four-way pressure retaining valve......815

Pressure regulator repairs (removed)......819

Pressure regulator......821

Relay valve, reconditioning......823

Relay valve......825

Safety valve, wet tank......828

Specifications, capacities-[0634]......829

Specifications, capacities-[0819]......830

Specifications, general-[0359]......831

Specifications, general-[0609]......832

Specifications, general-[0728]......833

Specifications, general-[1151]......834

Specifications, tightening torques-[0753]......835

Spring brake cylinder......836

59 - MISCELLANEOUS......838

Compressed air diagram A20C (serial no. -3101) - Image......838

Compressed air diagram A20C (serial no. 3101-) - Image......839

Compressed air diagram A20C-[0328]......840

Compressed air diagram A20C......842

6 - STEERING......845

60 - GENERAL......846

Description, steering system......846

Specifications, general-[0148]......849

64 - STEERING......850

Damping cylinder, changing seals......850

Damping cylinder, checking pre-load......853

Damping cylinder, removing and mounting......855

Damping cylinder......857

Pressure accumulation, engine dependent pumps 1 and 2......858

Specifications, general-[0038]......861

Specifications, general-[4930]......862

Specifications, general-[5450]......863

Specifications, weights-[5516]......864

Steering cylinder bearing, checking......865

Steering cylinder, changing spherical bearing......867

Steering cylinder, changing......869

Steering cylinder, reconditioning in machine......872

Steering cylinder......876

Steering gear, changing......877

Steering gear, checking and adjusting......881

Steering linkage, changing roller bearing in front lever......884