Volvo L120D Wheel Loaders Parts Manual
Complete technical service parts manual with Electrical Wiring Diagrams for Volvo L120D Wheel Loaders.
Volvo BM L120D Service Repair Manual.pdf (bonus material only)
Volvo L120D Parts Catalog.pdf
PRODUCT DETAILS:
Total Pages: 1,613 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
Volvo BM L120D Service Repair Manual................2
0 - Foreword................3
0 - GENERAL................4
00 - DESCRIPTION; COMPLETE MACHINE................5
General................6
Product identification plates................7
03 - SPECIFICATIONS................8
Capacities................9
Conversion tables................10
Section 2 Engine_50-23................13
Section 2 Engine................15
Section 3 Electrical system_49-38................17
Section 3 Electrical system................18
Section 4 Power transmission_48-52................19
Section 4 Power transmission_48-15................21
Section 5 Brakes_47-49................23
Section 5 Brakes_47-24................24
Section 6 Steering system_46-59................25
Section 6 Steering system................26
Section 8 Cab_46-08................27
Section 8 Cab................28
Section 9 Hydraulic system_45-16................29
Section 9 Hydraulic system................31
Tightening torques_44-30................33
Tightening torques_44-00................34
Volvo standard tightening torques................35
Weight_43-13................37
Weight................38
05 - TRANSPOET INSTRUCTION; STORAGE INSTRUCTION; OPERATIONG INSTRUCTION................39
Transporting the machine................40
07 - STANDARD TIME................42
Time Guide................43
08 - TOOL................52
Section 4 Power transmission................53
Section 5 Brakes................54
1 - STANDARD PARTS; SERVICE................56
16 - LUBRICANT; FUEL; OTHER FLUID................57
Recommended lubricants................58
17 - SERVICE................60
Axles; oil change................61
Charging of batteries................63
Cleanliness; brake and hydraulic systems................64
Coolant................65
Electric welding................68
Engine oil filter; changing................69
Engine oil; changing................71
Engine; air cleaner................73
Filter indicator; checking................74
Fuel system................75
Hydraulic system; general................79
Oil-bath precleaner................82
Repairing the hydraulic system................83
Safety filter (secondary filter)................84
Transmission................85
Washer fluid reservoir; windscreen_rear window................90
Manual release of parking brake; L90D_................91
Manual release of parking brake; L120D................92
Manual release of parking brake; L90D................93
Removing propeller shafts................94
Starting with booster batteries................95
Towing................96
Transporting wheel loader on another vehicle................97
2 - ENGINE WITH MOUNTING AND EQUIPMENT................98
20 - GENERAL................99
Description ................100
Engine; removing................101
Engine; installing................105
Specifications; capacities_23-54................109
Specifications; general_23-29................110
Specifications; tightening torques_23-03................111
Specifications; weight_22-37................112
Specifications; weight_22-12................113
Specifications; capacities_21-47................114
Specifications; general_21-21................115
Specifications; tightening torques_20-56................116
21 - ENGINE................117
Description; cylinder head................118
Description; cylinder liner................120
Description; pistons and piston rings; L90D................121
Description; pistons; L120D................122
Description; cylinder block................124
Specifications; general; L90D_L120D_16-54................125
Valves; adjusting................126
Description; engine transmission................128
Description; camshaft................129
Description; connecting rods................130
Description; flywheel................131
Description; frame and big-end bearing................132
Description; vibration damper................133
Description; crankshaft................134
22 - LUBRICATING SYSTEM................135
Description; lubrication and oil system................136
Lubrication system; TD63................138
Specifications; L90D_10-53................140
Specifications; L120D_10-28................141
Oil cooler; description................142
23 - FUEL SYSTEM................143
Description; general_08-47................144
Fuel injection pump................145
Fuel system; bleeding................153
Descriptions................155
Fuel feed pump; checking feed pressure................156
Fuel feed pump; checking feed pressure; L90D................158
Specifications; general; L90D_L120D................160
Combined tank unit; removing and installing................161
Specifications; capacities; L90D................165
Specifications; capacities; L120D................166
Checking stall speed................167
Fuel injection pump; TD63................169
Fuel injection pump; TD73................170
Idle speed; checking and adjusting................171
Injection timing; checking and setting................173
Specifications; general; L90D................180
Specifications; general; L120D................181
Copper tubes for injectors; changing................182
Specifications; general; L90D and L120D................186
25 - INLET & EXHAUST SYSTEM................187
Description_................188
Air cleaner; description................189
Specifications; air cleaner................190
26 - COOLING SYSTEM................191
Specifications; capacities_56-16................192
Specifications; capacities_55-51................193
Specifications; general_55-26................194
Radiator; removing and installing................195
Coolant pump for Intercooler; reconditioning................202
Coolant pump; removing and installing................208
Coolant pump for Intercooler;................217
Description_................220
Hydraulic diagram; cooling fan (hydraulically driven)................221
Hydraulically driven cooling fan;_50-10................222
Hydraulically driven cooling fan L120D; description................225
Hydraulically driven cooling fan;................229
Specifications................232
27 - ENGINE CONTROL................233
Stop solenoid; description................234
Stop solenoid; adjusting stroke................237
Stop solenoid; troubleshooting advice................238
3 - ELECTRICAL; WARNING; INFORMATION; INSTRUMENTS................239
30 - GENERAL................240
2 Software functions; engine................242
3 Software functions; electrical system................243
4 Software functions; power transmission................244
5 Software functions; brakes................245
6 Software functions; steering system................246
9 Software functions; hydraulic system................247
Air filter pressure................248
APS II................249
Axle oil temperature................253
Back-up alarm................255
Boom Suspension System (BSS)................256
Brake pressure................258
Brake test................259
Break in computer communication................260
Central lubrication................261
Communication with data buses................262
Control units; software functions................264
Coolant temperature; engine................267
Coolant temperature; outlet; radiator................268
Description of software functions table................269
Differential lock................270
Downshift audible signal (beep)................271
Electrical system; description_36-47................272
Electrical system; instructions for working on the electrical system................274
Electrical system; specifications................275
Electronic control system; description................276
Engine oil pressure................278
Engine Shut Down (power reduction)................279
Engine Shutdown................280
Engine speed for V-ECU................281
Fuel level................282
Gear selector................283
Gearshifting solenoids................286
Hydraulic oil temperature................287
Instrument control unit I-ECU; functional description................288
Interval wiper................290
Limp-Home; by-passed V-ECU................291
Output brake pressure................294
Overspeed transmission................295
Parking brake; electric................296
Parking brake; mechanical (L90D)................298
Preheating of induction air................299
Radiator fan control................301
Reduced computer communication................303
Secondary steering................304
Service interval................306
Starter inhibitor................307
Starter motor engagement................308
System voltage................309
Transmission disengagement................310
Transmission oil filter................311
Transmission oil pressure................312
Transmission oil temperature................313
Travel speed................314
Tyre radius................315
Vehicle control unit V-ECU; functional description................316
Wiping during and after washing................319
31 - BATTERY................320
Battery; charging................321
Battery; description................322
Battery; specifications................323
32 - ALTERNATOR; CHARGE REGULATOR................324
Alternator; description................325
Alternator; specifications................326
33 - STARTING SYSTEM................327
Starter motor; specifications................328
Starting system; description................329
Preheating; description................330
35 - LIGHTING................331
Lighting; description................332
Lighting; specifications................333
37 - CABLE; FUSE; RELAY................334
Wiring diagram 1. - Image................337
Wiring diagram 2. - Image................338
Wiring diagram 3. - Image................339
Wiring diagram 4. - Image................340
Wiring diagram 5. - Image................341
Wiring diagram 6. - Image................342
Wiring diagram 7. - Image................343
Wiring diagram 8. - Image................344
Wiring diagram 9. - Image................345
Wiring diagram 10. Sensors transmission - Image................346
Wiring diagram 11. - Image................347
Wiring diagram 12. - Image................348
Wiring diagram 13. - Image................349
Wiring diagram 14. - Image................350
Wiring diagram 15. - Image................351
Wiring diagram 16. - Image................352
Wiring diagram 17. - Image................353
Wiring diagram 18. - Image................354
Wiring diagram 19. - Image................355
Wiring diagram 20. - Image................356
Wiring diagram 21. - Image................357
Wiring diagram 21C. - Image................358
Wiring diagram 22. - Image................359
Wiring diagram 23. - Image................360
Wiring diagram 24. - Image................361
Wiring diagram 25. - Image................362
Wiring diagram 26. - Image................363
Wiring diagram 32. - Image................364
Wiring diagram 32B. - Image................365
Wiring diagram 140. - Image................366
Wiring diagram 190. - Image................367
Chassis connections................368
Circuit list................369
Electrical components................372
Electrical symbols and designations................391
Explanations of cable and component markings................393
Key to communication cables................396
Positive feed................397
Signal earth................398
Wiring diagram 1.................399
Wiring diagram 2.................400
Wiring diagram 3.................401
Wiring diagram 4.................402
Wiring diagram 5.................403
Wiring diagram 6.................404
Wiring diagram 7.................405
Wiring diagram 8.................406
Wiring diagram 9.................407
Wiring diagram 10. Sensors transmission................408
Wiring diagram 11.................409
Wiring diagram 12.................410
Wiring diagram 13.................411
Wiring diagram 14.................412
Wiring diagram 15.................413
Wiring diagram 16.................414
Wiring diagram 17.................415
Wiring diagram 18.................416
Wiring diagram 19.................417
Wiring diagram 20.................418
Wiring diagram 21.................419
Wiring diagram 21C.................420
Wiring diagram 22.................421
Wiring diagram 23.................422
Wiring diagram 24.................423
Wiring diagram 25.................424
Wiring diagram 26.................425
Wiring diagram 32.................426
Wiring diagram 32B.................427
Wiring diagram 140.................428
Wiring diagram 190.................429
Electrical distribution box; description................430
38 - INSTRUMENT; SENSOR; WARNING & INFORMATION SYSTEM................432
Instruments................433
Display panel and keypad; general................434
Display panel; general................437
Display panel; information displays................438
Display panel; initial display................443
Display panel; operating display................444
Display panel; setting................445
Middle instrument panel with warning lamps................448
Service display unit; axles and brakes................450
Service display unit; electrical control input signals 1................452
Service display unit; electrical control input signals 2................455
Service display unit; electrical control input signals 3................456
Service display unit; electrical control output signals 1................459
Service display unit; electrical control output signals 2................462
Service display unit; electrical input sensor................464
Service display unit; electrical system battery voltage................465
Service display unit; engine................466
Service display unit; general................468
Service display unit; hydraulics................471
Service display unit; settings................472
Service display unit; transmission................476
4 - POWER TRANSMISSION................477
40 - GENERAL................478
Description_................479
Specifications; L120D_43-10................481
Specifications; L90D_42-45................482
Troubleshooting tips................483
41 - CLUTCH; TORQUE CONVERTER................484
Specifications; L90D and L120D; general................485
Specifications; L90D................486
Specifications; L120D................487
42 - TRANSMISSION; HYDRAULIC CONTROL................488
Specifications; capacities_................489
Specifications; general_39-10................490
Specifications; tightening torques_38-46................491
Specifications; tightening torques_38-21................492
Specifications; weight_37-56................493
Specifications; capacities_37-31................494
Specifications; general_37-07................495
Specifications; weight_36-42................496
Clutch pressure chart; L90D................497
Clutch pressure chart; L120D................498
Gear selector valve; description................499
Hydraulic transmission; description................501
Hydraulic transmission; checking oil pressure................502
Limp-home operation................505
Neutral position; HT205.................508
Specifications; L90D; general_32-50................517
Specifications; L120D; general_32-25................518
Symbol diagram; HT131; L90D................519
Symbol diagram; HT205; L120D................521
Transmission; removing................523
Transmission; installing................526
43 - GEARBOX................528
Specifications; weight_................529
Specifications; capacities_29-32................530
46 - FRONT AXLE; REAR AXLE................531
Description_28-43................532
Specifications; L90D; weight_28-13................533
Specifications; L90D; general................534
Specifications; L120D; general................535
Specifications; L120D; weight................536
Front axle; removing_26-47................537
Front axle; removing................539
Front axle; installing................541
Specifications; L90D; weight................542
Specifications; L90D; capacities_24-48................543
Specifications; L120D; capacities_24-12................544
Rear axle; removing................545
Rear axle; installing................547
Specifications; weight_22-48................549
Specifications; capacities................550
Differential lock; adjusting................551
5 - BRAKE................554
50 - GENERAL................555
Function - Image................556
Hydraulic diagram; brakes; L90D - Image................560
Hydraulic diagram; brakes; L120D - Image................561
Description ................562
Function................565
Hydraulic diagram; brakes; L90D................571
Hydraulic diagram; brakes; L120D................572
51 - WHEEL BRAKE................573
Brake discs; changing................574
Brake discs; checking wear................582
Specifications; general_20-01................585
Wear indicator; description................586
52 - HYDRAULIC BRAKE SYSTEM................587
Brake system; bleeding................588
Brake system; retardation; checking function................590
Checking function................592
Foot brake pedal; adjusting angle and pedal clearance................594
Pressure in circuit; checking and adjusting................595
Foot brake valve (removed); reconditioning................597
Specifications; general_15-34................601
Accumulator; checking (removed)................602
Discarded accumulators................604
Specifications; L90D; general................605
Specifications; L120D; general................606
55 - PARKING BRAKE................607
Description................608
Parking brake (mechanically operated);................611
Parking brake (hydraulic); brake pad................613
Parking brake (hydraulically controlled); checking and adjustment; later version................620
Specifications; general_................626
Specifications; general................627
6 - STEERING................628
60 - GENERAL................629
Description_20-26................630
64 - STEERING................631
Description_19-56................632
Description_19-07................633
Description_18-41................634
Hydraulic diagram; steering;................635
Hydraulic diagram; steering; incl. lever steering (CDC)_17-46................636
Hydraulic diagram; steering; incl. lever steering (CDC)_17-21................637
Hydraulic diagram; steering; incl. secondary steering_16-56................638
Hydraulic diagram; steering; from and................639
Hydraulic diagram; steering; incl. lever steering (CDC)................640
Hydraulic diagram; steering; incl. lever steering (CDC) and secondary steering................641
Hydraulic diagram; steering; incl. secondary steering................643
Specification L90D; general_14-32................644
Specification L120D; general_14-07................645
Hold (stand-by) pressure and working pressure;................646
Shift valve L120D; description................650
Shift valve; reconditioning (removed)................654
Specification L90D; general_11-40................658
Specification L120D; general_11-15................659
Steering cylinder; description................660
Steering valve; reconditioning (removed)................661
Steering pump; description................669
Steering valve; description................675
Description_08-43................678
66 - LEVEL STEERING................682
Wiring diagrams 17 and 9 - Image................683
Description; general................684
Function................686
Hydraulic system; description................688
Lever steering; adjusting steering speed................690
Lever steering; checking and adjusting control valve................692
Wiring diagrams 17 and 9................694
7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT................696
70 - GENERAL................697
Description_03-41................698
71 - FRAME................699
Specifications; tightening torques_02-52................700
L90D specifications; weight_02-28................701
L120D specifications; weight_01-44................702
Specifications; weight_01-19................703
L90D specifications; weight_00-36................704
L120D specifications; weight_59-51................705
77 - WHEELS; TRACKS; TYRE; HUB; DRUM................706
L90D specifications; weight_59-22................707
L120D specifications; weight_58-32................708
8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE................709
81 - CAB; NAKED; CANOPY................710
Cab suspension; description................711
Cab; installing................713
Cab; removing................719
Tightening torques................726
Weights_54-56................727
87 - AIR CONDITIONING UNIT................728
Heating; ventilation and air conditioning unit; description_54-21................729
AC safety; description................732
Air conditioning; checking performance................733
Air-conditioning unit; specifications................735
Components................736
Electrical system; description................738
Evaporator in the air-conditioning unit; cleaning................740
Heating; ventilation and air conditioning unit; description................743
Weights................746
9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPMENT; MISCELLANEOUS................747
91 - WORKING HYDRAULIC; SERVO HYDRAULICS................748
Hydraulic diagram; working hydraulic system - Image................750
Hydraulic diagram L90D; complete - Image................753
Hydraulic diagram L120D; complete - Image................754
Hydraulic diagram; working hydraulic system ................755
Hydraulic diagram L90D; complete................757
Hydraulic diagram L120D; complete................759
Hydraulic diagram; working hydraulic system_47-22................761
Hydraulic diagram; working hydraulic system................763
Specifications; L90D; capacities_46-31................765
Specifications; L120D; capacities_46-06................766
Specifications; general_45-41................767
Working hydraulic system; description................768
Control valve................772
Shock and anti-cavitation valve................776
Specification L120D; general_43-21................779
Specification L90D; general_42-57................780
Specifications; general................781
Specifications; L120D; capacities................782
Specifications; L90D; capacities................783
Specifications; weight_41-31................784
Back-up valve; opening pressure; checking................785
Description................786
L90D specifications; weight_40-06................787
L120D specifications; weight_39-42................788
Shock valve; lift function; checking and adjusting................789
Shock valve; tilt function; checking and adjusting................792
Specification L90D; general_38-12................795
Specification L120D; general_37-48................796
Specifications; tightening torques_37-23................797
Working pressure; checking and adjusting................798
Hydraulic system; bleeding_36-16................800
Hydraulic system; bleeding................801
Pressure back-up for servo circuit;................802
Servo valve; operating controls; adjusting................803
Servo pressure; checking and adjusting................807
Servo pressure; checking by spool in control valve................809
Servo valve; functional description................811
Specification L90D; general_32-54................815
Specification L120D; general_32-29................816
Specifications; weight................817
Boom Suspension System (BSS400);................818
Boom Suspension System (BSS400); checking function................820
Boom Suspension System (BSS400); electrical system description................823
Boom Suspension System (BSS400); hydraulic system description................825
Precharge pressure in accumulators;................833
Pressure reducing valve (CT8) for................836
Specification L90D; general_28-33................837
Specification L120D; general_28-08................838
L90D specifications; weight_27-39................839
94 - UNIT; LOAD HANDLING................840
L90D specifications; weight................841
L120D specifications; weight................842
Lift cylinder................843
Specification L90D; general................844
Specification L120D; general................845
Specifications; tightening torques................846
Tilt cylinder................847
Volvo L120D Parts Catalog................848
0 - Foreword................849
0 - GENERAL................850
03 - SPECIFICATIONS................851
Product identification plate................852
2 - ENGINE WITH MOUNTING AND EQUIPMENT................854
21 - ENGINE................855
Repair kits for engine................856
Engine STD; 33361 IRAN................860
Cylinder head................863
Cylinder block-[1635]................866
Cylinder block................868
Crankcase ventilation................870
Cylinder liner and piston................872
Valve mechanism................875
Timing gear casing and gears................877
Camshaft................879
Crankshaft and related parts................880
Flywheel housing................882
Oil sump................884
Oil filler and dipstick-[1313]................886
Engine mounting................889
22 - LUBRICATING SYSTEM................891
Lubricating oil system................892
Oil pump................894
Oil filter................896
Housing; oil filter................898
Oil filter by pass................901
Oil cooler with hoses................904
23 - FUEL SYSTEM................906
Fuel system................907
Feed pump................909
Fuel filter................911
Water separator................913
Fuel tank with fitting parts................916
Fuel tank STD; 33361 IRAN................919
Fuel pipes; fuel tank - injection pump................921
Fuel pipes; injection pump - fuel filter - injector................923
Fuel injection pump with fitting parts................925
Pump drive................927
Injection pump................929
Centrifugal governor................932
Smoke limiter................936
Fuel system; oil pipe; pipe for smoke limiter................938
Fuel lines; injectors................940
Injector................942
25 - INLET & EXHAUST SYSTEM................946
Inlet manifold and exhaust manifold................947
Exhaust system; silencer................949
Turbocharger with fitting parts................951
Air filter with fitting parts................953
Air filter with fitting parts 80395................955
Air filter STD; 33361 IRAN................957
Intercooler................958
26 - COOLING SYSTEM................960
Cooling system-[0204]................961
Radiator with fitting parts................964
Coolant filter. 80706................966
Expansion tank with fitting parts................968
Water pump and thermostat housing................970
Water pump with fitting parts................972
Water pump................974
Water pump; intercooler................976
Fan and fan shroud................978
Belt transmission................980
Fan and fan shroud 93961................982
Hydraulic motor 93961................984
Fan drive 93961................986
Engine heater 80052................988
Engine heater. 80259................990
27 - ENGINE CONTROL................992
Regulator control................993
Accelerator pedal STD; SEMI OPEN CAB; IRAN................995
Hand throttle control 93568................997
Key turn engine stop................999
3 - ELECTRICAL; WARNING; INFORMATION; INSTRUMENTS................1001
31 - BATTERY................1002
Battery box with fitting parts................1003
32 - ALTERNATOR; CHARGE REGULATOR................1005
Alternator with assembling details................1006
Alternator STD; 33361 IRAN................1008
Alternator; 100amp 80273................1011
Alternator with fitting parts; 100amp 80273................1014
Brushles alternator 50a 80272................1016
Alternator 80272................1018
33 - STARTING SYSTEM................1020
Starter motor with assembling details STD; 33361 IRAN................1021
Starter motor................1022
Pre-heater with fitting parts STD; 33361 IRAN................1025
35 - LIGHTING................1027
Lighting; front STD; 33361 IRAN................1028
Work lights; front. 91847; 80435................1030
Side marking lamp. 80352................1032
Lighting; cab................1034
Lighting; rear STD; 33361 IRAN................1036
Work lights; rear 93792................1038
License plate lamp 80402................1039
36 - OTHER ELECTRICAL EQUIPMENT................1041
Compressor horn STD; 33361 IRAN................1042
Revolving warning light. 93799................1043
Rotating beacon. 93799................1045
Back-up warning unit 93782................1048
Windshield wiper; front STD; SEMI OPEN CAB; IRAN................1049
Windshield wiper; rear STD; SEMI OPEM CAB; IRAN................1051
Windshield washer................1054
37 - CABLE; FUSE; RELAY................1056
Battery cable and main switch STD; 33361 IRAN................1058
Cable harnesses; rear................1060
Cable harness; transmission................1063
Front cable harness with assembly parts STD; 33361 IRAN................1065
Cable harness; front STD; 33361 IRAN................1067
Cable harnesses; cab-[4427]................1069
Cable harnesses; cab................1072
Cable harnesses; control panel................1074
Cable harness; panel................1077
Cable harness; CDC - steering. 80264................1080
Cable harnesses; headlining.................1082
Cable harnesses; servo valve.................1084
Cable harnesses; alternator 100A. 80273................1086
Cable harness; air-suspensioned seat. 80506; 80572................1088
Cable harness; detent; 3rd hydraulic function 80098................1090
Electrical equipment; air conditioning. 80281; 80489................1092
Cable harness; compressor. 80281; 80489................1094
Cable harness; air conditioning. Cab. 80281; 80489................1096
Cable harness; attachment bracket. 80286; 80289................1099
Cable harness; boom suspension system. 80142................1101
Cable harnesses; cab 93961................1103
Electrical system; parking brake alarm 80348................1105
Cable harness; secondary steering system. 80261................1107
Cable harness; central lubrication.................1109
Cable harness; electr. heated rear-view mirror 80830................1111
Cable harnesses; single lever control. 80362; 80361................1113
Electrical distribution box................1115
Circuit board................1117
Electrical distribut.unit and cable harness................1120
Wires................1122
Hose and manifold................1127
Cable terminal................1131
Insulator for spade terminal................1134
Spade terminal................1136
Pin insulator................1139
Pin................1141
Humidity-proof connections................1144
Connectors................1146
Housings for timers and tabs................1149
38 - INSTRUMENT; SENSOR; WARNING & INFORMATION SYSTEM................1151
Instrument panel................1152
Side panel................1155
Switch................1157
Sensors; reference list................1160
Solenoid valves; reference list................1163
39 - MISCELLANEOUS................1165
Voltage converter and cable harness for radio. 80518................1166
4 - POWER TRANSMISSION................1168
41 - CLUTCH; TORQUE CONVERTER................1169
Repair kit for transmission................1170
Power transmission................1173
Torque converter................1175
42 - TRANSMISSION; HYDRAULIC CONTROL................1177
Hydraulic transmission with fitting parts STD; 33361 IRAN................1178
Oil filler and dipstick................1181
Ventilation for transmission.................1183
Converter housing with fitting parts................1185
Converter housing; gears and shafts................1188
Hydraulic clutch; forward _ 1 st speed................1190
Hydraulic clutch; reverse _ 2nd speed................1192
Hydraulic clutch; 3rd _ 4th speed................1194
Lubricating oil valve................1196
Oil filter and testing block................1198
Pressure limiting valve................1202
Pump................1205
Gear changing unit................1207
43 - GEARBOX................1209
Transfer case; housing and covers................1210
Transfer case; gears and shafts................1213
Parking brake................1215
Gear box housing with fitting parts................1217
45 - PROPELLER SHAFT................1219
Propeller shafts with fitting parts................1220
Propeller shaft STD; 33361 IRAN-[2249]................1223
Propeller shaft STD; 33361 IRAN................1226
46 - FRONT AXLE; REAR AXLE................1228
Planet axles with fitting parts AWB31; AWB30................1229
Venting; planet shafts................1231
Lubricant lines for planet shaft. STD; 33361 IRAN................1233
Planet shaft; front AWB 31................1235
Final drive AWB 31................1238
Planet shaft; rear AWB 30................1241
Final drive AWB 30-[1954]................1244
Final drive AWB 30................1247
Differential lock AWB 31. STD; IRAN................1250
Differential lock; hydraulic line STD; 33361 IRAN................1253
49 - MISCELLANEOUS................1255
Cooling system................1256
5 - BRAKE................1258
51 - WHEEL BRAKE................1259
Multi-disc brake; front................1260
Multi-disc brake; rear................1262
52 - HYDRAULIC BRAKE SYSTEM................1264
German version 80441-[1640]................1265
Brake hoses; tank - pump - footbrake valve................1267
Brake pipes footbrake valve- front- and rear axle.................1269
Foot brake valve with clutches................1272
Footbrake valve STD; 33361 IRAN................1275
55 - PARKING BRAKE................1277
Parking brake system................1278
Parking brake; connection block................1280
Footbrake valve with clutches.................1282
59 - MISCELLANEOUS................1284
Double brake pedals. 93773................1285
6 - STEERING................1287
64 - STEERING................1288
Steering column with fitting parts................1289
Adjustable steering wheel CAB - 1989................1291
Adjustable steering wheel. CAB 1990 -................1293
Steering system................1295
Steering unit STD; 33361 IRAN................1299
Valve housing STD; 33361 IRAN................1301
Hydraulic cylinder with fitting parts STD; 33361 IRAN................1303
Hydraulic cylinder STD; 33361 IRAN................1305
Shift valve with fitting parts................1308
Shift valve STD; 33361 IRAN-[0951]................1311
Shift valve STD; 33361 IRAN................1313
Controlpump; 60CC 93961................1315
Fan pump; 28CC 93961................1317
Hydraulic pump STD; 33361 IRAN................1319
Auxiliary steering system 80261................1321
Pump unit. 80261................1323
Pressure monitor. 80261................1326
66 - LEVEL STEERING................1328
Comfort drive control 80264................1329
Relief valve. 80264................1331
7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT................1333
71 - FRAME................1334
Frame STD; 33361 IRAN................1335
Protecting plates................1337
Protection for lighting 80076; 91585; 80406................1339
Belly guard; rear. 94841................1341
Bottom-guard plates 92567................1343
Protecting plates 94918................1345
Grille guard; radiator. 80521................1346
Counterweight................1348
Counterweight 80253................1350
74 - FRAME LINK................1351
Frame link................1352
77 - WHEELS; TRACKS; TYRE; HUB; DRUM................1354
Wheel 92491 19.5-25; 92492 19.5-25; 82445 19.5-25................1355
8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE................1357
81 - CAB; NAKED; CANOPY................1358
Drivers cab................1359
Cab body roof and floor panel.................1361
Driver's cab; mounting block STD; 33361 IRAN................1363
82 - ENGINE HOOD; MUDGUARD; FOOT STEP................1365
Engine hood.................1366
Top plate; side hatches; rear................1368
Side hatches; front................1371
Brace................1373
Radiator casing................1375
Fender; front................1377
Wider mudguards; front _ rear 94544................1379
Fender; rear................1382
Swing out rear mudguard 80391................1385
Running board.................1388
83 - DOORS; HATCH; COVER PLATE; (all)................1390
Door with fitting parts................1391
Door................1393
Filter cover................1396
84 - TRIM PART; OUTSIDE; GLASS; SEALING MOULDING................1398
Rear view mirror................1399
Glass panes................1401
Windows................1403
Sliding window. 93786; 93787................1405
85 - CAB INTERIOR; UPHOLSTERY................1408
Insulating matting................1409
Operator seat with fitting parts................1412
Operator's seat. 80503................1414
Operator's seat; ISRI. 80504; 80505................1416
Operator's seat. 80503; 80504; 80505................1418
Operator's seat; heated; air suspensioned. 80506................1420
Driver's seat. 94909;................1422
Driver's seat. 80572................1424
Instructor's seat 80556................1426
86 - PROTECTIVE EQUIPMENT................1428
Windshild guard for windshield. 80143................1429
Window guards; side and rear windows. 80144................1431
Air distribution 93961................1433
Noise reduction. 80490................1435
87 - AIR CONDITIONING UNIT................1437
Air distribution 33264; 33370 IRAN CAB................1438
Fresh air inlet; air filter and fan housing.................1440
Air filter................1442
Air ducts................1444
Fan................1446
Heating system STD; 33361 IRAN................1447
Radiator and control................1449
Automatic temperature control. 80502................1451
Air conditioning. 80281................1453
Compressor for cooling agent R134a with fitting parts. 80281................1455
Compressor for cooling agent R134a with fitting parts. 80489................1457
Condenser for cooling agent R134a with fitting parts.................1459
Evaporator for cooling agent R134a with fitting parts. 80281; 80489................1461
Assembly of hose; evaparator; receiver drier and condenser.................1463
Air compressor................1465
88 - INTERIOR EQUIPMENT................1466
Instrument panel 33264................1467
Radio bracket. 80518; 80390;82331................1469
Interior components................1471
Armrest................1473
Cover for servo valves STD; 33361 IRAN................1475
Interior components; sun blinds. 80307; 80308................1477
CDC - steering; sheet metal parts. 80264................1479
Lunch box holder 80270................1481
Arm rest. 80264................1482
89 - MISCELLANEOUS................1485
Tool box 80493................1486
Tools 90007; 99183................1488
Pump 93988................1490
German version 80441-[4024]................1492
Toolbox 91837................1493
Sign plates and decals................1495
LGF - sign; Slow moving vehicle 99592................1498
50 km_h Sign 92670................1500
German version 80441................1502
Illustrations of sign plates and decals................1503
9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPMENT; MISCELLANEOUS................1506
91 - WORKING HYDRAULIC; SERVO HYDRAULICS................1507
Hydraulic oil tank STD; 33361 IRAN................1508
Hydraulic fluid filter STD; 33361 IRAN................1510
Hydraulic system; suction line................1513
Hydraulic system; feed line STD; 33361 IRAN................1515
Hydraulic system; return line................1517
Hydraulic system; lift function STD; 33361 IRAN................1519
Hydraulic system; tilt function STD; 33361 IRAN................1521
Hydraulic oil cooler 33351; 33361................1523
Control valve; assembly STD; 33361 IRAN................1525
Control valve STD; 80158................1526
Hydraulic pump with fitting parts STD; 33361 IRAN................1528
Servo - hydraulic................1530
Servo valve with fitting parts................1534
Servo valve SER NO - 14841; - 63182 USA; - 70569 BRAZIL................1537
Servo valve with fitting parts. 80361; 80362................1540
Servo valve; single levercontrol 80362................1542
Control valve. 80362................1544
Assembly parts for servo valve 80098................1546
Extra hydraulic equipment 3rd hydraulic control. 80287; 80290................1548
Extra hydraulic equipment4th function 80288; 80291................1550
Valve; circuit body and return valve 80142................1552
Boom suspension system 80142................1554
Reversing valve 80288; 80291................1556
92 - MECHANICAL EQUIPMENT_ATTACHMENT................1557
Bucket tooth protection 80581................1558
Hydraulic system for attachment bracket. 80286; 80289................1559
Attachment bracket 80009; 80234................1561
Hydraulic attachment bracket. 93643................1563
Hydraulic cylinder 80009................1566
Hydraulic cylinder 93643................1568
94 - UNIT; LOAD HANDLING................1570
Loading unit. 33352; 33354; STD 33351................1571
Lifting frame work with assembly parts 33352; STD 33351; 33354................1574
Forward links with fitting parts 33352; 33354................1576
Rear links with assembly parts 33352; 33354................1578
Lifting- and tilt cylinder with assembly parts.................1580
Assemble attachment bracket.................1583
Extended lube points for lift arm system 33352; 33354................1585
Bucket positioner and boom kickout STD; 33361 IRAN................1587
Hydraulic cylinder; lifting.................1589
Hydraulic cylinder; tilt................1592
99 - MISCELLANEOUS................1594
Central lubrication.-[2428]................1595
Central lubrication.................1597
Central lubrication for tool bar. 94811................1599
Pumpcentral lubrication 82029; 11708037................1601
Distribution block; B1................1603
Central lubrication; tool bar 82355................1606
Distribution block; B2.................1608
Distribution block; B3.................1611
Central lubrication; tool bar................1614
Distribution block; B4.................1616
Volvo L120D Wheel Loaders Parts Manual
