Volvo L70C Wheel Loaders Repair Service Manual and Parts Catalog
Complete service repair manual with Electrical Wiring Diagrams for Volvo L70C Wheel Loaders, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Volvo Constructions L70C Wheel Loaders workshop service repair manual includes:
* 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.
Volvo L70C Wheel Loaders Service Repair Manual.pdf
Volvo L70C Wheel Loaders Parts Manual.pdf
PRODUCT DETAILS:
Total Pages: 1,343 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
Volvo L70C Wheel Loaders Parts Manual....2
0 - GENERAL....3
03 - SPECIFICATIONS....4
Product identification plate....5
2 - ENGINE WITH MOUNTING AND EQUIPMENT....6
21 - ENGINE....7
Repair kits for engine....8
Engine; assembly....13
Flywheel housing....16
Cylinder head....18
Cylinder block....21
Cylinder liner....24
Timing gear casing....26
Camshaft....28
Crankshaft and related parts....29
Oil sump....31
Oil filler and dipstick....32
Engine mounting....35
22 - LUBRICATING SYSTEM....38
Lubricating oil system....39
Oil pump....41
Oil filter-[513]....44
Oil cooler-[449]....47
Oil cooler with hoses....50
23 - FUEL SYSTEM....52
Fuel system....53
Feed pump - FD 369....55
Feed pump FD 370 -....57
Slurry separator....59
Fuel tank....62
Fuel filter....65
Fuel injection pump with fitting parts....68
Injection pump....71
Centrifugal governor....75
Fuel lines; injectors....77
25 - INLET & EXHAUST SYSTEM....80
Induction manifold with fitting parts....81
Inlet manifold TD 063 KDE....83
Exhaust manifold and installation components....84
Exhaust system....86
Turbocharger with fitting parts....88
Turbo charger....91
Inlet system....93
Air filter-[5800]....96
Oil bath filter 92614....98
Air filter 92614....100
Intercooler TD 063 KDE....103
26 - COOLING SYSTEM....105
Cooling system....106
Radiator with fitting parts....108
Expansion tank with fitting parts....110
Coolant filter 92613....112
Water pump; thermostat housing....114
Waterpump; assembly TD 063 KDE....117
Water pump; intercooler TD 063 KDE....119
Belt transmission....122
Fan shroud....125
Engine heater 92611;92993; 92994....129
27 - ENGINE CONTROL....131
Engine speed control....132
Accelerator pedal....134
Hand throttle 92459....136
Key turn engine stop SER NO - 13476. SER NO - 70050 BRAZIL....138
Key turn engine stop SER NO 13477 - . SER NO 70051 - ; BRAZIL....140
Speed limiter 92714; 94653....142
3 - ELECTRICAL; WARNING; INFORMATION; INSTRUMENTS....144
31 - BATTERY....145
Battery box; assembly....146
32 - ALTERNATOR; CHARGE REGULATOR....148
Alternator with assembling details....149
Alternator....151
Brushles alternator 050a 94527....154
Alternator 94527....156
Alternator; 100amp 93479....158
33 - STARTING SYSTEM....161
Starter motor; assembly....162
Starter motor....163
Starter element with fitting parts....166
Pre-heater....169
35 - LIGHTING....171
Lighting; front....172
Work lights Front 92453....174
Work lights; front 80030....176
Work lights; front 80032....178
Lighting; rear....180
License plate lamp 92457....182
Work lights; rear 80029....185
36 - OTHER ELECTRICAL EQUIPMENT....187
Compressor horn....189
Back-up warning unit 93535....190
Rotating beacon 92454; 80031....191
Rotating beacon 80031; 92454....193
Windshield wiper; front....196
Windshield wiper; rear 92157....198
Windshield wiper for right side front window 94917....201
Windshield washer....203
Battery cable and main switch....205
Cable harness; rear; mounting....207
Cable harness; Engine....210
Cable harness; engine 80001....212
Cable harness; tail light....214
Cable harness; transmission....216
Cable harness; front....218
Cable harness; front 80001....220
Cable harnesses; cab-[3825]....222
Cable harnesses; cab-[3801]....224
Cable harnesses; cab....226
Electrical system extra forward and reverse switch. 92749....228
Electrical system Parking brake alarm 92158....230
Electrical system; parking brake alarm 93444....233
Cable harness for Cdc-steering 94609....235
Cable harness; Air-suspensioned seat. 94906....237
Electrical equipment; 004th function 93548....239
Electrical system speed limiter max.030km_h;20km_h 92714; 94653....241
Cable harness for air conditioning....243
Cable harness Adjustableflow from hydraulic function 003. 94817....245
Electrical system 005th and 6th fuction 93636; 93630....248
Electrical system Boom suspension system 94552....250
Cable harness; secondary steering system. 93538....252
Cable harness for central lubrication 92754....254
Electrical system;electric hydraulic parking brake 93443....256
Cable harnesses; gear lever carrier 80033; 80034....258
Electrical system Hydraulic system; Heavy Duty 93637....260
Forward _ reverse switch at hydraulic controls 80033; 80034;....262
Cable harness automatic float- lift and bucket positioning 80038....264
Electrical distribut.unit and control unit....266
Electrical distribut.unit and control unit 33159 (80001)....269
Electrical distribut.unit and cable harness 33159; (80001)....272
Wires....275
Hose and manifold....280
Cable terminal....283
Insulator for spade terminal....285
Spade terminal....287
Pin insulator....290
Pin....292
Humidity-proof connections....295
Connectors....297
Housings for timers and tabs....300
38 - INSTRUMENT; SENSOR; WARNING & INFORMATION SYSTEM....302
Instruments panel STD;....303
Switch panel....306
Instruments panel 80001 (33159)....309
Switch panel 80001 (33159)....311
Instrument; equipment hydraulic; Heavy Duty 93637....313
Relays; sensors and solenoid valves Reference list....315
39 - MISCELLANEOUS....322
Electrical system Radio. 92462....323
4 - POWER TRANSMISSION....326
41 - CLUTCH; TORQUE CONVERTER....327
Gasket kit for transmission....328
Torque converter....332
42 - TRANSMISSION; HYDRAULIC CONTROL....334
Hydraulic transmission with fitting parts....335
Converter housing with fitting parts....337
Clutch housing. 004 - speed. 30872....339
Clutch housing; 008-speed. 30873; 92631....342
Clutch housing with fitting parts....347
Hydraulic clutch forward_003rd speeds....349
Hydraulic clutch rear_004th speeds....351
Hydraulic clutch 001st and 2nd speeds....353
Gear selector valve....356
Pressure limiting valve....359
Pump drive....361
Gear box housing with fitting parts....363
45 - PROPELLER SHAFT....365
Propeller shaft; mounting....366
Propeller shaft-[1830]....368
Propeller shaft-[1806]....369
Propeller shaft....370
46 - FRONT AXLE; REAR AXLE....371
Planetary axle mounting....372
Planetary axle; front STD; 92616; 94645-[1648]....374
Final drive; front STD; 92616; 94645....376
Planetary axle; Front STD; 92616; 94645....378
Planet shaft; rear AWB 015; STD; 94645....381
Differential carrier; AWB 015; STD....383
Differential carrier; AWB 015; 94645....385
Planetary axle; rear AWB 015; STD; 94645....387
Differential lock 92616; 94645-[1426]....390
Differential lock 92616; 94645....392
Controls; differential lock 92616; 94645....394
49 - MISCELLANEOUS....397
Oil cooler....398
5 - BRAKE....400
51 - WHEEL BRAKE....401
Multi-disc brake; front....402
Multi-disc brake; rear....404
52 - HYDRAULIC BRAKE SYSTEM....406
Brake system....407
Footbrake valve....410
Dual brake pedals 92461; 80111....412
Valve Accumulators....414
55 - PARKING BRAKE....416
Hand brake 33141 33148....417
Brake shoes....419
Parking brake; electro -hydraulic 93443....420
Hand brake 33159....423
56 - COMPRESSED-AIR BRAKE....425
Compressed air equipment 94592....426
Air compressor 94592....429
Regulator 94592....433
6 - STEERING....436
64 - STEERING....437
Steering column assembly....438
Adjustable steering wheel 92465....440
Steering system....442
Hydraulic cylinder; assembly....445
Hydraulic cylinder-[539]....447
Steering unit....450
Valve housing-[454]....452
Auxiliary steering system 93538....454
Sensor 93538....457
66 - LEVEL STEERING....459
Comfort drive control 94609....460
Valve; circuit body and return valve 94609....462
7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT....464
71 - FRAME....465
Frame....466
Protecting plates....468
Protecting plates 80047; 92750....471
Belly guard; front 94922; 94921; 94920....473
Lamp retainer....475
Protection for lighting 92654; 92655; 92656....478
77 - WHEELS; TRACKS; TYRE; HUB; DRUM....480
Wheel....481
8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE....483
81 - CAB; NAKED; CANOPY....484
Cab body....485
Cab body 33159....487
Operator's cab....488
Cab mounting block 80001....491
Operator's cab 80001 (33159)....493
82 - ENGINE HOOD; MUDGUARD; FOOT STEP....495
Engine cover....496
Side hatches....499
Radiator casing....502
Mud guards 92716; 92880....505
Mud guards 92720; 93794....507
Swing out rear mudguard 94894....510
83 - DOORS; HATCH; COVER PLATE; (all)....513
Door mounting....514
Door....516
Hatch 93675....520
Hatches 33159....522
84 - TRIM PART; OUTSIDE; GLASS; SEALING MOULDING....524
Rear view mirror....525
Rear view mirror 33159....527
Glass panes....529
Sliding window 92165; 94825....531
85 - CAB INTERIOR; UPHOLSTERY....533
Insulating matting....534
Insulating matting 92706....536
Insulating matting 93675....538
Operator seat Assembly....540
Operator seat with fitting parts 33159....542
Driver's seat. 94908; 94910....545
Operator seat Isri 94904; 94900; 94902....547
Driver's seat; air suspensioned Isri 94906-[5005]....549
Driver's seat; air suspensioned Isri 94906....552
Operator seat with fitting parts 93675....554
Operator's seat 33159....556
Operator's seat. 33159....558
Instructor's seat 92464....560
Cdc-steering; armrest; mounting 94609....562
Armrest 94609....564
86 - PROTECTIVE EQUIPMENT....566
Windshield guard for windshield 94989....567
87 - AIR CONDITIONING UNIT....570
Heating system....571
Air ducts....573
Air filter....575
Fan....578
Radiator and control....579
Compressor Assembly 94529; 92632....582
Air compressor 94529; 92632....584
Condenser Assemly 94529; 92632....587
Evaporator Assembly 94529; 92632....590
88 - INTERIOR EQUIPMENT....592
Instrument panel....593
Radio bracket 92462....595
Instrument panel 80001; (33159)....597
Interior components....599
Interior components 33159....601
Armrest 33159....603
89 - MISCELLANEOUS....605
Position pointer and anchorage; license plate 92695....606
Tools 92360....608
Tools 92450; 92451....610
Sign plates and decals....612
LGF - sign; Slow moving vehicle 99591....615
050 km_h Sign 92669....617
9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPMENT; MISCELLANEOUS....619
91 - WORKING HYDRAULIC; SERVO HYDRAULICS....620
Hydraulic system Feed lines and return lines....622
Hydraulic system valve block - connection block....624
Hydraulic system Lift....627
Hydraulic system Tilt....629
Hydraulic system Centralblock - Control....631
Hydraulic oil tank....634
Oil filter....637
Hydraulic oil cooler 94851....640
Control valve; assembly....643
Control valve....646
Valve section Lift....648
Valve section 003rd function 93547; 80034....650
Valve section Tilt....652
Valve body Assembly....654
Valve housing....656
Hydraulic pump STD. SER NO 70017 - BRAZIL....659
Hydraulic pump SER NO - 70016 BRAZIL....661
Servo hydraulic Feed line and return line....663
Servo hydraulic Control lines Tilting....665
Servo system Control lines Lifting....668
Servo - hydraulic with fitting parts....671
Servo valve; assembly....673
Servo valve with fitting parts 80001....676
Servo valve....678
Servo valve 80034; 80035....681
Servo hydraulic Control and valves 94817....683
Servo hydraulic hydraulic lines 94817....685
Single acting lifting function 94551....687
Hydraulic system; 3rd function 80034; 93547....690
Suction line and return lines Heavy Duty 93637....692
Feed lines Heavy Duty 93637....695
Hydraulic pump Heavy Duty 93637....698
Hydraulic system; feed- and return lines; 5th and 6th funcion 93636; 93630....700
Hydraulic system; Feed line 5th and 6th funcion 93636; 93630....703
Valve section with assembly parts....705
Valve section 93636-[2721]....707
Valve section 93636....710
Boom lowering system STD....712
Boom suspension system; hoses 94552....715
Boom suspension system; valves and nipples 94552....717
Accumulator 94552....720
Valve; circuit body and return valve 94552....723
Hydraulic system; attachment bracket 93517; 93536; 93990....725
Hydraulic system; 4th function 93548....728
92 - MECHANICAL EQUIPMENT_ATTACHMENT....731
Attachment bracket 93536; 80135....732
Attachment bracket 93517; 93994....734
Attachment bracket 93696....736
Hydraulic cylinder-[2307]....738
Hydraulic cylinder....740
94 - UNIT; LOAD HANDLING....742
Lifting unit....743
Links with fitting parts....746
Hydraulic cylinder Tilting....750
Hydraulic cylinder Lifting....752
Bucket positioner and boom kickout STD; 92163; 92164; 80038....754
99 - MISCELLANEOUS....756
Central lubrication. 92754....757
Central lubrication for tool bar. 92753....759
Distribution block; B001 92754....761
Distribution block; B002. 92754....763
Distribution block; B003. 92754....765
Pumpcentral lubrication 92754....767
Volvo L70C Wheel Loaders Service Repair Manual....769
0 - GENERAL....770
00 - DESCRIPTION; COMPLETE MACHINE....771
Description....772
Product Identification Plates....773
03 - SPECIFICATIONS....774
Boom Suspension System....775
Brakes....776
Capacities....777
Electrical system....778
Engine....780
Hydraulic system....784
Power transmission....786
Servo system....788
Steering system....789
Tightening torques....790
VOLVO BM standard tightening torques....791
Weights (approx)....793
07 - STANDARD TIME....794
Time Guide....795
08 - TOOL....804
E-tool....805
1 - STANDARD PARTS; SERVICE....813
17 - SERVICE....814
Charging batteries ....815
Cleanliness when working on brake and hydraulic systems....816
Electric welding....817
Repairing hydraulic systems....818
Towing _ recovering....819
19 - GENERAL....822
A few simple rules for batteries....823
A few simple rules of safety....824
A few simple rules when inflating tyres....830
A few simple rules when servicing....831
Charging batteries....836
Danger in connection with polymer materials....837
Measures to prevent fire....839
Refrigerant in air-conditioning units....842
Safety concerns everybody!....844
Service position....845
Starting with booster batteries....847
2 - ENGINE WITH MOUNTING AND EQUIPMENT....848
21 - ENGINE....849
Description....850
Engine; Fitting....866
Engine; removing....868
Fault tracing....873
Specifications....874
22 - LUBRICATING SYSTEM....877
Specifications....878
23 - FUEL SYSTEM....879
Fuel system; air bleeding....880
Specifications ....882
Fuel tank; removing and fitting_24-21....883
Fuel tank; removing and fitting....885
Specifications....887
Checking engine speed and travelling speed with frequency meter_23-18....888
Checking engine speed and travelling speed with frequency meter....890
Idling speed; checking and adjusting....892
Injection angle (timing); checking and adjusting....895
Injection angle (timing); checking and adjusting (with injection timing tool 998 7057)....899
Specifications_....902
Speed control; checking and adjusting....903
Stall speed; checking....906
Specifications....907
25 - INLET & EXHAUST SYSTEM....908
Specifications....909
26 - COOLING SYSTEM....912
Specifications....913
27 - ENGINE CONTROL....915
Stop solenoid; adjustment....916
Specifications....920
3 - ELECTRICAL; WARNING; INFORMATION; INSTRUMENTS....921
30 - GENERAL....922
Description....923
Special instructions when working on the electriapproxl system....924
Specifications....925
31 - BATTERY....926
Charging batteries....927
Specifications....928
32 - ALTERNATOR; CHARGE REGULATOR....929
Specifications....930
33 - STARTING SYSTEM....931
Specifications....932
35 - LIGHTING....933
Specifications....934
Headlights; adjustment....935
37 - CABLE; FUSE; RELAY....936
Code key for diodes....938
Codes used in wiring diagrams....940
Explanations to wiring diagrams....951
List of circuits....954
Wiring diagram; circuits 11–110....959
Wiring diagram; circuits 21–210....964
Wiring diagram; circuits 31–310....969
Wiring diagram; circuits 41–410....975
Wiring diagram; circuits 51–510....981
Wiring diagram; circuits 61–610....986
Wiring diagram; circuits 71–77....989
Wiring diagram; circuits 81–810....992
Wiring diagram; circuits 8D1–8D7....995
Wiring diagram; circuits 91–97....998
Wiring diagram; circuits 101–107....1002
Wiring diagram; circuits 111–118....1005
Wiring diagram; circuits 121–128....1008
Wiring diagram; circuits 131–1310....1011
Wiring diagram; circuits 13D1–13D10....1016
Wiring diagram; circuits 141–1410....1021
Wiring diagram; circuits 151–1510....1026
Wiring diagram; circuits 161–1610....1030
Wiring diagram; circuits 16D1–16D9....1034
Wiring diagram; circuits 171–178....1038
Wiring diagram; circuits 181–1810....1041
Wiring diagram; circuits 191–197....1044
Wiring diagram; circuits 201–207....1046
Wiring diagram; circuits 211–215....1049
Wiring diagram; circuits 21D1–21D5....1051
Wiring diagram; circuits 221–229....1053
Wiring diagram; circuits 241–2410....1056
Wiring diagram; circuits 24A1–24A10....1059
Wiring diagram; circuits 251–259....1062
Wiring diagram; circuits 261–268....1065
Wiring diagram; circuits 26D1–26D8....1068
Wiring diagram; circuits 271–278....1071
Wiring diagram; circuits 281–289....1074
Wiring diagram; circuits 291–2910....1077
Electrical distribution box....1081
Specifications....1086
38 - INSTRUMENT; SENSOR; WARNING & INFORMATION SYSTEM....1087
Instruments and controls....1088
Contronic System....1091
Automatic gear shifting; description of function....1093
Contronic Display Unit....1097
General description of control unit function....1111
Manual gear shifting; description of function....1112
Operating with ecu disconnected....1113
Units connected to the control unit....1115
APS II (Automatic Power Shift with Mode Selector)....1121
4 - POWER TRANSMISSION....1124
40 - GENERAL....1125
Description....1126
Fault-tracing hints....1131
41 - CLUTCH; TORQUE CONVERTER....1132
Specifications....1133
42 - TRANSMISSION; HYDRAULIC CONTROL....1134
Block diagram....1135
Hydraulic symbol diagram....1138
Transmission HT90 (8-speed design)....1140
Specifications....1143
Transmission oil pressures; checking (all)....1144
Transmission; fitting....1150
Transmission; removing....1152
46 - FRONT AXLE; REAR AXLE....1158
Differential carrier assembly....1159
Planetary gear....1161
Specifications....1162
Rear axle suspension; checking; fitting....1163
Rear axle suspension; checking; removing....1165
Differential lock front; adjusting....1169
5 - BRAKE....1171
50 - GENERAL....1172
Description....1173
Description of function....1175
51 - WHEEL BRAKE....1177
Brake disc; changing_....1178
Brake discs; checking wear; L70C up to incl. ser. no. - 13501_34-44....1187
Brake discs; checking wear; L70C w.e.fr. ser. no. 13502 - axle_34-14....1189
Brake disc; changing....1192
Brake discs; checking wear; L70C up to incl. ser. no. - 13501....1201
Brake discs; checking wear; L70C w.e.fr. ser. no. 13502 - axle....1203
52 - HYDRAULIC BRAKE SYSTEM....1206
Brake system; checking function of hydraulics....1207
Brake system; checking function of retardation....1213
Hydraulic diagram; brake system....1215
Pressure in circuit; checking and adjusting....1218
Specifications....1221
Description of function....1222
Foot brake pedal; adjusting angle....1223
Foot brake valve removed; reconditioning....1224
55 - PARKING BRAKE....1228
Description....1229
Parking brake; adjusting....1230
Specifications....1232
6 - STEERING....1233
60 - GENERAL....1234
Description....1235
64 - STEERING....1236
Hydraulic diagram; stering system....1237
Specifications_....1242
Control valve....1243
Hydraulic pump....1249
Lever steering....1252
Lever steering; CDC....1254
Lever steering; CDC (Comfort Drive Control)....1260
Secondary steering system....1265
Specifications....1271
Steeering valve; removed; reconditioning....1272
Steering cylinder....1282
Steering cylinder removed; reconditioning....1283
Steering lever cu3; checking voltage in_out....1291
Steering pressure and stand-by pressure; checking and adjusting....1295
Steering valve orbitrol....1298
7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT....1305
71 - FRAME....1306
General description....1307
Specifications....1308
74 - FRAME LINK....1311
Frame joint; changing bearings....1312
8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE....1319
81 - CAB; NAKED; CANOPY....1320
Specifications....1321
87 - AIR CONDITIONING UNIT....1322
Description....1323
Electrical system; Description of function....1326
AC safety; Description of function....1329
Air conditioning with refrigerant R134a....1332
Description of function....1335
9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPMENT; MISCELLANEOUS....1337
91 - WORKING HYDRAULIC; SERVO HYDRAULICS....1338
Central valve; description....1339
Hydraulic diagram....1342
Specifications_....1367
Working hydraulics; description....1368
Specifications. ....1371
Control valve; description....1372
Shock valve 3e function; checking and adjusting....1389
Shock valve; lifting function; checking and adjusting....1390
Shock valve; tilting function; checking and adjusting....1393
Specifications_....1396
Specifications....1397
Stand-by pressure; checking and adjusting....1398
Working pressure; checking and adjusting....1400
Servo pressure; checking and adjusting....1402
Servo pressure; checking at spool in control valve....1405
Servo system....1407
Servo valve; operating controls; adjusting....1411
Specifications....1414
4th Hydraulic function....1415
5th and 6th Hydraulic functions....1419
Accumulator for boom suspension system; releasing pressure....1431
Accumulator; boom suspension system; reconditioning....1432
Accumulator; precharging pressure; checking and adjusting....1435
Attachment hydraulics GP; description....1437
Boom Suspension System....1443
Boom suspension system; checking....1454
Flow control 3rd function....1456
Pressure-reducing valves R1 and R2; closing pressure; checking....1457
Safety valve TB; opening pressure; checking....1459
Specifications ....1461
92 - MECHANICAL EQUIPMENT_ATTACHMENT....1462
Specifications....1463
94 - UNIT; LOAD HANDLING....1464
Lifting cylinder....1465
Specifications....1466
Tilting cylinder....1467
Volvo L70C Wheel Loaders Repair Service Manual and Parts Catalog
