Volvo MC70C Skid Steer Loaders Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Volvo MC70C Skid Steer Loaders, with all the technical information to maintain, diagnose, repair, and service like professional mechanics.
Volvo Constructions MC70C Skid Steer 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 MC70C Skid Steer Loaders Repair Service Manual.pdf
PRODUCT DETAILS:
Total Pages: 1,197 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS
0 - Foreword...2
0 - GENERAL...3
00 - DESCRIPTION; COMPLETE MACHINE...4
Description, complete machine...4
03 - SPECIFICATIONS...6
Boom suspension system (BSS) valve block, specifications...6
Charge pump, specifications...7
Conversion tables...8
Coolant, specifications...16
Engine, specifications_{01-37-07}...17
Engine, specifications_{01-37-31}...18
Fuel, lubricant and filling capacities...19
Hydraulic connections, tightening torques_{01-32-40}...20
Hydraulic connections, tightening torques_{01-33-08}...22
Hydraulic tank, specifications...27
Loader pump, specifications-[3400]...28
Main control valve, specifications ...29
Positional adapters...30
Push lock fittings_{01-31-04}...32
Push lock fittings_{01-31-32}...34
Quick release couplings_{01-38-43}...36
Quick release couplings_{01-39-12}...40
Radio, specifications-[3632]...43
Rapid assembly fittings...45
Return line filter, specifications...46
Self levelling valve, specifications-[3427]...47
Thread locking compound, application_specifications_{01-39-51}...48
Thread locking compound, application_specifications_{01-40-15}...50
Tightening torque, specifications_{01-41-46}...52
Tightening torque, specifications_{01-42-11}...56
Transmission pump, specifications-[3605]...61
07 - STANDARD TIME...62
Operation numbers for additional work...62
1 - STANDARD PARTS, SERVICE...64
16 - LUBRICANT; FUEL; OTHER FLUID...65
Fuel, lubricant and filling capacities_{01-27-53}...65
Fuel, lubricant and filling capacities_{01-28-17}...67
Recommended lubricants...69
17 - SERVICE...70
Air cleaner dust valve, changing_{12-50-48}...70
Air cleaner dust valve, changing_{12-51-16}...72
Air cleaner inner element, replacing...74
Air cleaner outer element, changing...77
Air cleaner outer element, replacing...79
Air conditioning filters, changing_{12-49-39}...82
Air conditioning filters, changing_{12-50-07}...85
Alternator belt, checking...87
Alternator, checking...89
Alternator, testing...93
Arrival Inspection, according to Inspection Programme...95
Battery isolator switch, checking...96
Battery isolator, checking...97
Battery terminals, cleaning...99
Battery, maintenance_{01-16-53}...100
Battery, maintenance_{01-17-30}...102
Cab heating and air conditioning filter, replacing...104
Cleaning of the machine...107
Compressor belt, checking...108
Coolant level, checking-[1541]...110
Coolant level, checking...112
Coolant, changing-[1507]...114
Coolant, changing...118
Coolant, draining...120
Coolant, filling...122
Coolers, cleaning...123
Cooling system integrity, checking...124
Crankcase ventilation separator element, replacing...126
Cylinder rams condition, checking...128
Delivery Inspection, according to Inspection Programme...129
Drain line screen filter adapter, replacing...130
Drive chain case oil level, checking_{01-02-33}...132
Drive chain case oil level, checking_{01-03-01}...134
Drive chain case oil, changing...136
Drive chain case oil, changing_{01-01-24}...138
Drive chain case oil, changing_{01-01-51}...140
Drive chain oil level, checking...142
Engine air cleaner primary filter, replacing...144
Engine air cleaner secondary filter, replacing...146
Engine air cleaner system integrity, checking-[4505]...148
Engine air cleaner system integrity, checking...150
Engine belt condition, checking...151
Engine belt, replacing-[3916]...153
Engine oil and filter, changing...158
Engine oil filter, replacing_{01-12-56}...162
Engine oil filter, replacing_{01-13-24}...163
Engine oil level, checking-[1432]...167
Engine oil level, checking...169
Engine oil, changing...171
Engine oil, draining...175
Engine oil, filling...178
Exhaust system integrity, checking...179
Front end accessory drive (FEAD) belt condition, checking...180
Front end accessory drive (FEAD) belt, adjusting...182
Front end accessory drive (FEAD) belt, replacing...185
Fuel filter element, changing...188
Fuel filter element, replacing...191
Fuel filter, replacing...193
Fuel system, bleeding...195
Fuel_water separator, draining_{01-07-13}...197
Fuel_water separator, draining_{01-07-41}...199
Greasing, daily_{01-18-17}...201
Greasing, daily_{01-18-45}...203
Hydraulic cylinders, checking...205
Hydraulic oil charge filter, replacing...206
Hydraulic oil filters, replacing...209
Hydraulic oil level, checking-[0045]...212
Hydraulic oil level, checking...214
Hydraulic oil return filter, replacing...215
Hydraulic oil tank breather filter, replacing-[5459]...217
Hydraulic oil tank breather filter, replacing...219
Hydraulic oil tank, draining_{12-58-37}...221
Hydraulic oil tank, draining_{12-59-04}...223
Hydraulic oil tank, filling_{12-56-57}...225
Hydraulic oil tank, filling_{12-57-25}...227
Hydraulic oil, changing...229
Hydraulic oil, changing_{01-00-08}...231
Hydraulic oil, changing_{12-59-41}...234
Hydraulic pressure, checking-[2312]...235
Hydraulic return filter, replacing...241
Hydraulic screen filter adapter, replacing...243
Hydraulic service procedures...245
In-line fuel filter, changing...247
Leakage, checking...249
Lubrication, every 10 hours...250
Maintenance of Stored Machines, according to Inspection Programme...253
Maintenance service, daily_{01-24-25}...254
Maintenance service, daily_{01-24-49}...256
Maintenance service, every 10 hours...258
Maintenance service, every 1000 hours...259
Maintenance service, every 1000 hours_{01-21-16}...261
Maintenance service, every 1000 hours_{01-21-41}...262
Maintenance service, every 1500 hours-[2040]...263
Maintenance service, every 1500 hours...264
Maintenance service, every 2000 hours...266
Maintenance service, every 2000 hours_{01-19-47}...268
Maintenance service, every 2000 hours_{01-20-11}...269
Maintenance service, every 3000 hours...271
Maintenance service, every 50 hours...273
Maintenance service, every 50 hours_{01-23-22}...275
Maintenance service, every 50 hours_{01-23-46}...276
Maintenance service, every 500 hours...278
Maintenance service, every 500 hours_{01-22-19}...280
Maintenance service, every 500 hours_{01-22-43}...282
Parking brake function, checking...284
Radiator and coolers, cleaning_{01-11-54}...286
Radiator and coolers, cleaning_{01-12-18}...287
Service and Maintenance Introduction...288
Spark arrester, cleaning-[4615]...289
Spark arrester, cleaning...291
Starter motor, checking...293
Starter motor, testing...297
Stop pad, adjusting...299
Track sprocket bolt torque, checking...301
Track tension and condition, checking...303
Track tension, adjusting...305
Tyre wear and air pressure, checking...307
Tyres, checking air pressure...309
Tyres, wear and air pressure, checking...311
Water separator filter, replacing...313
Water separator, checking...315
Water separator, replacing...317
Wheel nuts torque, checking-[0330]...319
Wheel nuts torque, checking...320
Wiring harness integrity, checking...321
19 - GENERAL...322
A few simple safety rules...322
Before operating...326
Before service, read...330
Charging batteries...334
Checklist after a fire or heat exposure...338
Cleanliness...341
Decontamination...345
Electrical system...349
Environment...353
Environmental handling for the future...358
General...360
Health hazards with paint, plastics and rubber...365
Safety concerns everybody!...369
Safety when handling oil and fuel...373
Safety when handling the machine...375
Safety when lifting and supporting the machine...379
Safety when working with batteries...382
Service position 1_{12-19-14}...385
Service position 2_{12-19-42}...388
Service position_{12-20-37}...392
Some simple rules regarding tyre handling...402
2 - ENGINE WITH MOUNTING AND EQUIPMENT...404
20 - GENERAL...405
E-ECU, replacing...405
Engine belt, adjusting...407
Engine belt, replacing...410
21 - ENGINE...415
Engine mounts, replacing...415
Engine, installing...416
Engine, installing_{12-04-25}...417
Engine, installing_{12-04-48}...419
Engine, removing...421
Engine, removing_{12-05-34}...423
Engine, removing_{12-05-57}...425
Engine, specifications_{12-06-35}...427
Engine, specifications_{12-06-58}...429
Engine, specifications_{12-07-22}...430
Fault tracing, engine...431
23 - FUEL SYSTEM...434
Fuel system, bleeding_{12-01-27}...434
Fuel system, bleeding_{12-01-55}...435
Fuel system, bleeding_{12-02-18}...437
Fuel, specifications...438
26 - COOLING SYSTEM...441
Cooling fan motor, replacing...441
Cooling fan motor, specifications...443
Cooling fan solenoid, replacing...444
Cooling package, installing_{11-57-38}...446
Cooling package, installing_{11-58-01}...449
Cooling package, removing_{11-58-42}...450
Cooling package, removing_{11-59-10}...453
Expansion tank, replacing...455
Fan control valve, description...457
Fan control valve, installing...460
Fan control valve, removing...462
Fan reversing valve, description...464
27 - ENGINE CONTROL...466
Engine control unit (E-ECU), description...466
Throttle control...469
3 - ELECTRICAL; WARNING; INFORMATION; INSTRUMENTS...471
30 - GENERAL...472
Collection of basic data...472
Electrical system, specifications_{11-52-12}...475
Electrical system, specifications_{11-52-35}...476
Fault code list...477
Fault tracing, electrical system...484
Lead and connector checks...486
Logic control...491
Multimeter...498
Troubleshooting, general...500
31 - BATTERY...502
Battery maintenance...502
Battery, installing...504
Battery, removing...506
Battery, replacing...508
Battery, specification...511
32 - ALTERNATOR; CHARGE REGULATOR...512
Alternator removing, inspecting and installing...512
Alternator, description...518
Alternator, installing...520
Alternator, removing...522
Alternator, specifications...524
33 - STARTING SYSTEM...525
Starter motor, installing...525
Starter motor, removing...526
35 - LIGHTING...527
Direction indicator, replacing...527
Lights, specifications...529
Road lights, description...530
Work lights, description...532
Work lights, replacing_{11-38-46}...534
Work lights, replacing_{11-39-13}...536
36 - OTHER ELECTRICAL EQUIPMENT...538
Back up alarm, replacing...538
Electronic control unit (ECU), description...540
Hand throttle control switch, description...542
Radio, specifications_{11-36-25}...544
Radio, specifications_{11-36-49}...548
White noise_reverse alarm, description...550
Windscreen wiper front motor, replacing...551
Windscreen wiper system, description...554
Windscreen wiper tank fluid, changing...557
Windscreen wiper tank, replacing...558
37 - CABLE; FUSE; RELAY...560
Battery disconnect switch, replacing...560
Battery isolator-[0403]...562
Battery isolator...564
Component list, Miscellaneous_{11-27-41}...565
Component list, Miscellaneous_{11-28-05}...566
Component list, Solenoid valves_{11-23-32}...567
Component list, Solenoid valves_{11-23-56}...569
Component list, Switches_{11-22-23}...571
Component list, Switches_{11-22-47}...573
Component list, fuses_{11-28-43}...575
Component list, fuses_{11-29-07}...577
Component list, motors_{11-26-39}...579
Component list, motors_{11-27-03}...580
Component list, relays_{11-25-37}...581
Component list, relays_{11-26-01}...583
Component list, sensors_{11-24-34}...584
Component list, sensors_{11-24-58}...585
Components list...586
Explanation of wiring diagrams_{11-30-46}...588
Explanation of wiring diagrams_{11-31-10}...594
Fuses...595
Relays...601
Wire and harness identification...605
Wiring diagram 1 - Image...608
Wiring diagram 10 - Image...611
Wiring diagram 10_{11-05-52}...614
Wiring diagram 10_{11-06-20}...616
Wiring diagram 10_{11-06-48}...618
Wiring diagram 11 - Image...621
Wiring diagram 11...622
Wiring diagram 12 - Image...624
Wiring diagram 12...625
Wiring diagram 1_{11-20-49}...628
Wiring diagram 1_{11-21-17}...630
Wiring diagram 1_{11-21-45}...632
Wiring diagram 2 - Image...635
Wiring diagram 2_{11-19-11}...638
Wiring diagram 2_{11-19-39}...639
Wiring diagram 2_{11-20-07}...641
Wiring diagram 3 - Image...644
Wiring diagram 3_{11-17-32}...647
Wiring diagram 3_{11-18-01}...649
Wiring diagram 3_{11-18-29}...651
Wiring diagram 4 - Image...654
Wiring diagram 4_{11-15-47}...657
Wiring diagram 4_{11-16-15}...659
Wiring diagram 4_{11-16-43}...661
Wiring diagram 5 - Image...664
Wiring diagram 5_{11-14-01}...667
Wiring diagram 5_{11-14-29}...669
Wiring diagram 5_{11-14-57}...671
Wiring diagram 6 - Image...674
Wiring diagram 6_{11-12-23}...677
Wiring diagram 6_{11-12-51}...679
Wiring diagram 6_{11-13-19}...681
Wiring diagram 7 - Image...684
Wiring diagram 7_{11-10-46}...687
Wiring diagram 7_{11-11-14}...689
Wiring diagram 7_{11-11-42}...691
Wiring diagram 8 - Image...694
Wiring diagram 8_{11-09-08}...697
Wiring diagram 8_{11-09-36}...698
Wiring diagram 8_{11-10-04}...700
Wiring diagram 9 - Image...703
Wiring diagram 9_{11-07-30}...706
Wiring diagram 9_{11-07-58}...708
Wiring diagram 9_{11-08-26}...710
38 - INSTRUMENT; SENSOR; WARNING & INFORMATION SYSTEM...713
Hourmeter, replacing...713
39 - MISCELLANEOUS...715
Radio, specifications...715
4 - POWER TRANSMISSION...717
42 - TRANSMISSION; HYDRAULIC CONTROL...718
Transmission pilot solenoid, replacing...718
Transmission solenoid, replacing...720
Transmission solenoids, description...722
44 - HYDROSTATIC DRIVE...724
Axle hub, installing...724
Axle hub, removing...725
Drive chain, description...726
Drive chain, installing_{10-38-15}...728
Drive chain, installing_{10-38-42}...730
Drive chain, removing_{10-39-24}...732
Drive chain, removing_{10-39-51}...735
Drive motor adapter, replacing...737
Drive motor, description...739
Drive motor, description_{10-56-10}...741
Drive motor, description_{10-56-37}...745
Drive motor, installing...748
Drive motor, installing_{10-52-32}...751
Drive motor, installing_{10-53-00}...753
Drive motor, installing_{10-53-27}...756
Drive motor, removing...758
Drive motor, removing_{10-54-09}...761
Drive motor, removing_{10-54-36}...763
Drive motor, removing_{10-55-04}...767
Drive motor, specification...770
Driveline, description...771
Gear pump, description...778
Gear pump, installing ...780
Gear pump, removing ...782
Pump coupling, installing...784
Pump coupling, removing...787
Pump_engine coupling, description...790
Tensioner_recoil unit, specifications...792
Transmission circuit, description...793
Transmission pump, adjusting-[4920]...797
Transmission pump, adjusting...803
Transmission pump, description...807
Transmission pump, installing_{10-43-27}...815
Transmission pump, installing_{10-43-54}...817
Transmission pump, removing_{10-44-44}...819
Transmission pump, removing_{10-45-11}...821
Transmission pump, restoring...823
Transmission pump, specifications...826
Transmission pump, specifications_{10-45-49}...827
Transmission pump, specifications_{10-46-13}...828
Transmission pumps, description...829
46 - FRONT AXLE; REAR AXLE...835
Drive motor, disassembling and assembling_{10-34-31}...835
Drive motor, disassembling and assembling_{10-34-58}...837
Wheel hub assembly, disassembling and assembling...839
Wheel hub assembly, replacing...844
Wheel hub condition, checking...847
Wheel hub, description...848
5 - BRAKE...849
55 - PARKING BRAKE...850
Parking brake, assembling...850
Parking brake, description and operation...854
Parking brake, disassembling...857
7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT...859
71 - FRAME...860
Stop pad, adjusting_{10-28-56}...860
Stop pad, adjusting_{10-29-23}...862
Stop pad, installing...864
Stop pad, removing...865
77 - WHEELS; TRACKS; TYRE; HUB; DRUM...867
Front idler wheel, assembling...867
Front idler wheel, disassembling...869
Guide roller, assembling...871
Guide roller, disassembling...873
Rear idler wheel, assembling...875
Rear idler wheel, disassembling...877
Roadwheels, replacing...879
Tyre, replacing...881
Tyre, specifications...883
Tyres, specifications...884
Wheel, description...885
8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE...886
81 - CAB, NAKED; CANOPY...887
Cab, installing_{10-20-04}...887
Cab, installing_{10-20-32}...890
Cab, removing_{10-21-13}...893
Cab, removing_{10-21-41}...896
Operator's platform, lowering...900
Operator's protective structure, description...902
83 - DOORS; HATCH; COVER PLATE, (all)...904
Cab door, installing_{10-16-23}...904
Cab door, installing_{10-16-50}...906
Cab door, removing_{10-17-32}...908
Cab door, removing_{10-17-59}...910
Door handle, replacing_{10-13-53}...912
Door handle, replacing_{10-14-20}...914
Rear door, installing...917
Rear door, removing...919
84 - TRIM PART; OUTSIDE; GLASS; SEALING MOULDING...921
Side mirror, installing...921
Side mirror, removing...923
Window pane, installing_{10-09-04}...925
Window pane, installing_{10-09-32}...932
Window pane, removing_{10-10-15}...939
Window pane, removing_{10-10-40}...943
Window, preparing...947
Windows, description...951
Windows, general...953
85 - CAB INTERIOR; UPHOLSTERY...955
Seat, replacing...955
86 - PROTECTIVE EQUIPMENT...957
Door guard, replacing...957
87 - AIR CONDITIONING UNIT...959
Air conditioning unit, general...959
Air conditioning, component location_{10-03-22}...962
Air conditioning, component location_{10-03-49}...964
Air conditioning, description...967
Air conditioning, specifications...969
Compressor, description...971
Expansion valve, description...973
Fault tracing, HVAC...975
HVAC, discharging and pressurizing...977
Refrigerant pipe, description...981
Water valve, description...982
Water valve, replacing...984
Wiring diagram, HVAC...986
9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPMENT; MISCELLANEOUS...989
90 - GENERAL...990
Boom suspension system (BSS) valve block, specifications...990
Boom suspension system accumulator (BSS), specifications...991
Charge pump, specifications_{09-56-00}...993
Charge pump, specifications_{09-56-24}...994
Fault tracing on hydraulic system_{09-58-54}...995
Fault tracing on hydraulic system_{09-59-18}...998
Hydraulic pressure, checking...1000
Hydraulic service procedures_{09-54-27}...1006
Hydraulic service procedures_{09-54-50}...1008
Hydraulic system, bleeding...1010
Hydraulic system, description...1012
Hydraulic system, flushing...1014
Joystick control, replacing...1016
Loader pump, specifications...1018
Self levelling valve, specifications...1019
91 - WORKING HYDRAULIC; SERVO HYDRAULICS...1020
Accumulator, description...1020
Accumulator, replacing...1022
Accumulator, specifications...1026
Attachment bracket, operating_{09-27-54}...1027
Attachment bracket, operating_{09-28-18}...1030
Auxiliary hydraulic pressure, releasing...1033
Boom suspension system accumulator, charging and discharging...1035
Boom suspension system accumulator, charging...1038
Boom suspension system accumulator, discharging...1040
Explanations to hydraulic diagram...1042
Explanations to hydraulic diagram_{09-50-53}...1051
Explanations to hydraulic diagram_{09-51-17}...1054
Fault tracing on hydraulic system_{09-29-46}...1056
Fault tracing on hydraulic system_{09-30-09}...1059
Gear pump, description_{09-32-38}...1061
Gear pump, description_{09-33-01}...1063
Gear pump, disassembling and assembling...1065
Gear pump, installing...1069
Gear pump, removing...1071
Gear pump, replacing...1073
Gear pump, specifications...1076
High flow solenoid, description...1077
High flow solenoid, replacing...1078
Hydraulic contamination...1080
Hydraulic cylinder, description...1082
Hydraulic cylinders, specifications_{09-46-17}...1085
Hydraulic cylinders, specifications_{09-46-41}...1086
Hydraulic cylinders, specifications_{09-47-04}...1087
Hydraulic diagram 1_{09-52-50}...1088
Hydraulic diagram 1_{09-53-13}...1090
Hydraulic diagram_{09-51-44}...1092
Hydraulic diagram_{09-52-08}...1094
Hydraulic oil tank, installing...1096
Hydraulic oil tank, removing...1098
Hydraulic oil tank, replacing...1099
Hydraulic oil temperature solenoid, replacing...1102
Hydraulic return line filter, specification_{09-48-43}...1104
Hydraulic return line filter, specification_{09-49-07}...1105
Hydraulic tank, description...1107
Hydraulic tank, specifications_{09-47-42}...1109
Hydraulic tank, specifications_{09-48-05}...1110
Lift arm control valve, description...1111
Lift arm control valve, replacing...1114
Lift arm self level valve, description...1117
Lift arm self level valve, replacing...1119
Load sensing valve block, specifications...1121
Main control valve, description...1122
Main control valve, installing...1124
Main control valve, removing...1125
Main control valve, specifications...1126
Main valve block, description...1127
Main valve block, specifications...1130
Parallel lift solenoid, description...1131
Parallel lift solenoid, replacing...1132
Self level valve, description...1134
Self level valve, replacing...1136
Smooth ride system solenoid, replacing...1138
Smooth ride system valve, replacing...1140
Smooth ride system, description...1142
92 - MECHANICAL EQUIPMENT_ATTACHMENT...1148
Attachment bracket cylinder, installing_{09-20-42}...1148
Attachment bracket cylinder, installing_{09-21-09}...1150
Attachment bracket cylinder, removing_{09-21-50}...1153
Attachment bracket cylinder, removing_{09-22-17}...1155
Loader Arm, Inspection...1159
Loader arm lift cylinder, installing...1160
Loader arm lift cylinder, removing...1164
Loader arm lift ram, description...1168
Loader arm lift ram, installing...1170
Loader arm lift ram, removing...1172
94 - UNIT, LOAD HANDLING...1174
Hydraulic pressure, testing...1174
Loader arm implement pilot solenoid, description...1175
Loader arm implement pilot solenoid, replacing...1177
Loader arm pivot pin, replacing...1179
Loader arm solenoid, replacing...1181
Loader arm solenoids, description...1183
Loader arm, installing_{09-16-20}...1185
Loader arm, installing_{09-16-43}...1187
Loader arm, removing_{09-17-25}...1189
Loader arm, removing_{09-17-52}...1193
97 - UNIT, DIGGING...1196
Hydraulic cylinders, description...1196
Volvo MC70C Skid Steer Loaders Repair Service Manual
