Volvo L70E Wheel Loaders Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Volvo Construction L70E Wheeled Loaders, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Volvo Construction L70E Wheeled 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.
L70E Volvo Service Repair Manual.pdf
PRODUCT DETAILS:
Total Pages: 1,537 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
0 - GENERAL....2
00 - DESCRIPTION; COMPLETE MACHINE....3
Description....4
03 - SPECIFICATIONS....5
003rd_4th hydraulic function; specifications....8
005th¿6th hydraulic function; specifications....9
Air conditioning; specifications....10
Air conditioning; tightening torques....12
Air distribution; specifications....13
Alternator 080 A; specification....14
Alternator; specifications....15
Battery; specifications....16
Battery; weight....17
Boom Suspension System; specifications....18
Boom Suspension System; tightening torques....19
Boom and cylinders; specifications....20
Brake accumulator; capacity....21
Brake accumulator; specifications....22
Brake valve; specifications....23
Cab; tightening torques....24
Cab; weight....25
Central block; specifications....26
Central lubrication system; specifications....27
Control valve; specifications....29
Conversion tables....30
Cooling fan motor; specifications....35
Cooling fan rpm; specifications-....36
Cooling fan rpm; specifications....37
Electrical system; specifications....38
Engine; specifications ....39
Engine; specifications....40
Engine; weight....41
Frame; specifications....42
Frame; tightening torque....43
Front axle; capacity....44
Front axle; specification....45
Front axle; tightening torque....46
Front axle; weight....47
Front wheel brakes; specification....48
Front wheel brakes; tightening torques....49
Function times; specifications....50
Hydraulic connections; tightening torques ....51
Hydraulic pump (P001); specifications....53
Hydraulic pump (P002); specifications....54
Hydraulic pump (P003); specifications....55
Hydraulic system; volume....56
Hydraulic transmission; specifications....57
Hydraulic transmission; volume....58
Hydraulic transmission; weight....59
Operator's seat; weight....60
Parking brake; Specifications....61
Parking brake; specifications....62
Preheating; specifications....63
Propeller shaft; tightening torque....64
Rear axle; capacity....65
Rear axle; specification....66
Rear axle; tightening torques....67
Rear axle; weight....68
Rear wheel brakes; specifications....69
Rear wheel brakes; tightening torques....70
Servo system; specifications....71
Starter motor; specifications....72
Steering cylinder; tightening torque....73
Steering; hydraulic equipment; specifications....74
Steering; hydraulic equipment; tightening torques....75
Steering; specification....76
Tightening torques....77
Torque converter; specifications....79
Torque converter; tightening torque....80
Torque converter; weight....81
Wheel; tightening torque....82
Wheel; weight....83
Wheels; Specifications....84
Wheels; specifications....85
07 - STANDARD TIME....86
Operation numbers for additional work....87
08 - TOOL....89
E 1234; Nipple....90
E 1281 Nipple....91
E-2017....92
E1706....93
Infrared Thermometer....94
1 - STANDARD PARTS; SERVICE....98
16 - LUBRICANT; FUEL; OTHER FLUID....99
Alternative fuels....100
Recommended lubricants; oils....103
17 - SERVICE....105
Arrival Inspection; according to Inspection Programme....106
Charging batteries....107
Cleanliness; brake and hydraulic systems....108
Delivery Inspection; according to Inspection Programme....109
Electric welding....110
Fuel system; bleeding ....111
Maintenance of Stored Machines; according to Inspection Programme....113
Maintenance service; daily....114
Maintenance service; every 050 hours....116
Maintenance service; every 1000 hours....121
Maintenance service; every 2000 hours....143
Maintenance service; every 250 hours....171
Maintenance service; every 3000 hours....181
Maintenance service; every 4000 hours....184
Maintenance service; every 500 hours....211
Maintenance service; every 6000 hours....227
Parking brake; manually releasing....229
Repairing hydraulic system....232
Towing....233
Warranty inspection 100 hours....235
Warranty inspection 1000 hours....251
Working on the electrical system of the machine....276
19 - GENERAL....277
CE-marking; EMC-directive....278
Checklist after a fire or heat exposure....282
Decontamination....285
Environmental handling for the future....289
Environmentally hazardous fluids....292
Environmentally safe handling....295
Fire prevention measures....298
Health hazards with paint; plastics and rubber....302
Safety concerns everybody!_{019-23}....305
Safety concerns everybody!_{019-51}....307
Safety rules when servicing....311
Safety when handling accumulators....315
Safety when handling oils and fuel....317
Safety when handling the machine....319
Safety when lifting and supporting complete machine....324
Safety when using lifting equipment....328
Safety when working on hydraulic systems-021....330
Safety when working with air conditioning refrigerant....333
Safety when working with batteries....336
Some simple rules regarding tyre handling-044....339
Some simple rules regarding tyre handling....341
Starting with booster batteries....343
Waste handling....345
Working in environmentally contaminated areas....349
Working under raised boom....352
2 - ENGINE WITH MOUNTING AND EQUIPMENT....354
20 - GENERAL....355
Engine; description....356
21 - ENGINE....358
Camshaft; description....359
Connecting rod; description....361
Crankshaft seal; front; changing....363
Crankshaft; description....369
Cylinder head; description....370
Engine mount; changing....371
Engine mount; description....380
Engine timing gear; description....381
Engine; capacities....382
Engine; installing....383
Engine; removing....393
Engine; specifications-....404
Engine; specifications....405
Engine; weight ....406
Valve system specifications....407
Valves; adjusting_{056-36}....408
Valves; adjusting_{057-13}....415
Valves; description....420
Vibration damper; description....421
22 - LUBRICATING SYSTEM....423
Lubrication system; description....424
Lubrication system; specifications....426
Oil pressure; checking....427
Oil pump; description....429
23 - FUEL SYSTEM....431
Control unit; description....432
Feed pump pressure; checking....434
Fuel feed pump; description....436
Fuel feed pump; specifications....437
Fuel filter; description....438
Fuel system; bleeding....439
Fuel system; description....441
Fuel tank; volume....443
Injection pump; specifications....444
Injectors; specifications....445
Injectors; tightening torques....446
Instructions for working with electronic fuel injection....447
Overflow valve; description....450
Stall speed; checking....451
Unit injectors; description....453
Unit pump; description....454
25 - INLET & EXHAUST SYSTEM....459
Air cleaner; checking pressure-drop indicator....460
Air cleaner; preheater; specifications....462
Intercooler; specifications....463
Oil-bath precleaner; volume....464
Preheating coil; description ....465
Preheating; specifications ....466
Turbocharger; description_{036-24}....467
Turbocharger; description_{036-45}....469
Turbocharger; inspecting....471
26 - COOLING SYSTEM....473
Cooling fan hydraulics; function check....474
Cooling fan motor; specifications....476
Cooling fan rpm; specifications....477
Cooling system; description....478
Cooling system; specifications....481
Cooling system; volume....482
Fan speed control; description....483
Pump 003 (P3) Cooling fan pump_Brake pump. Cooling fan; checking max. rpm....488
Pump 003 (P3) Fan pump_Brake pump Fan; check max pressure....491
Pump 003 (P3) standby pressure; checking....494
Reversible cooling fan....497
Reversible cooling fan; electric description....500
Reversible cooling fan; function check....501
Reversible cooling fan; hydraulic diagram description....503
Thermostat; specifications....507
3 - ELECTRICAL; WARNING; INFORMATION; INSTRUMENTS....508
30 - GENERAL....509
APS II....516
APS....520
ATTENTION! Reduced Computer Function (J1708_J1587)....524
ATTENTION! Reduced Computer Function (J1939)....527
Accelerator Pedal....530
Adapter cable 951 1355....532
Adapter cable 981 3194....533
Adapter cable 999 0014....534
Adapter cable 999 0020-46....535
Adapter cable 999 0020....537
Adapter cable 999 0191....538
Adapter cable 999 0216....539
Adapter cable 999 8505....540
Adapter cable 999 8533....541
Adapter cable 999 8534....542
Adapter cable 999 8563....543
Air filter pressure....544
Attachment locking....545
Automatic engine shut-off....547
Axle oil temperature....548
Back-up alarm....550
Barometric pressure....551
Boom Suspension System (BSS)_{055-38}....552
Boom Suspension System (BSS)_{055-57}....554
Boost pressure....557
Brake pressure charging....558
Brake pressure....560
Brake test....561
Camshaft speed....562
Central lubrication....563
Central lubrication; status indication....564
Charge-air temperature....565
Collection of basic data....566
Communication with data buses....569
Component fault diagnosis; description....571
Component fault diagnosis; general....573
Conditions when checking....574
Connecting special tools....577
Coolant temperature; engine....580
Coolant temperature; outlet radiator....581
Cooling fan adjustment....582
Description of table for software functions....585
Differential lock-050....586
Downshifting signal....587
ERROR AC-system See operators manual....588
ERROR APS switch_ERROR APS II-switch....590
ERROR Accelerator Pedal No Back-up Function....592
ERROR Accelerator Pedal Reduced Function Activated....594
ERROR Central Lubrication System....597
ERROR Differential lock....598
ERROR E-ECU PID 102....600
ERROR E-ECU PID 108....602
ERROR E-ECU PID 172....603
ERROR E-ECU PID 174....606
ERROR E-ECU SID 001 - E-ECU SID 006....608
ERROR E-ECU SID 021....611
ERROR E-ECU SID 022....613
ERROR E-ECU SID 232....615
ERROR Gear Selector CDC....617
ERROR Gear Selector F_R....619
ERROR Gear Selector....621
ERROR Gear shifting solenoids....624
ERROR Hand throttle....626
ERROR Lever Steering CDC....628
ERROR Monitoring Axle Oil Temp. (Front axle) (MID 187 PPID 1154)....629
ERROR Monitoring Axle Oil Temp. (Rear axle) (MID 187 PPID 1153)....632
ERROR Monitoring Charge Air Temp. (MID 128 PID 105)....635
ERROR Monitoring Coolant Outlet Temp. (MID 187 PPID 1157)....637
ERROR Monitoring Engine Air Filter (MID 128 PID 107)....640
ERROR Monitoring Engine Coolant Temp. (MID 128 PID 110)....643
ERROR Monitoring Engine Oil Pressure (MID 128 PID 100)....646
ERROR Monitoring Engine Revolutions (MID 187 PID 190)....648
ERROR Monitoring Fuel Level (MID 187 PID 096)....650
ERROR Monitoring Hydraulic Oil Temp. (MID 187 PPID 1041)....653
ERROR Monitoring Output Brake Pressure (MID 187 PPID 1155)....658
ERROR Monitoring Radiator Fan Revolutions (MID 187 PPID 1161)....661
ERROR Monitoring Steering System Oil Pressure (SE601) (MID 187 PPID 1046)....663
ERROR Monitoring Steering System Oil Pressure (SE602) (MID 187 PSID 1303)....665
ERROR Monitoring Transmission Oil Filter (MID 187 PPID 1029)....667
ERROR Monitoring Transmission Oil Pressure (MID 187 PID 127)....669
ERROR Monitoring Transmission Oil Temp. (MID 187 PID 177)....672
ERROR Monitoring Travel Speed (MID 187 PID 84)....675
ERROR Parking Brake Circuit....677
ERROR Parking Brake....679
ERROR Preheating Relay (MID 128 PID 45)....681
ERROR Radiator Fan Control....683
ERROR Relay BSS....685
ERROR Relay Interval Wiper....687
ERROR Secondary Steering Relay....689
ERROR Sol. valve Attachment lock....691
ERROR Solenoid valve Brake pressure charging....693
ERROR Solenoid valve Reversible fan....695
Electrical system; specifications....697
Electrical system; work instructions....698
Electronic control system; description....700
Engine On_Off....702
Engine Shutdown....703
Engine control unit E-ECU; changing....704
Engine control unit E-ECU; error symptom....706
Engine oil pressure....707
Engine speed for E-ECU....708
Engine speed for V-ECU....709
Er ambient temperature (MID 187 PID 171)....710
Error messages by function group....712
Error texts and troubleshooting information; general....715
Extension cable 011 668 006....716
Extension cable 999 0062....717
Fuel Level_{017-43}....718
Fuel Level_{018-01}....719
Fuel consumption....720
Fuel temperature....721
Gear Selector....722
Gearshifting solenoids....725
General fault diagnosis information-059....727
General fault diagnosis information....728
Hand Throttle....730
Hydraulic Oil Level....732
Hydraulic oil temperature....735
Increased engine rpm....736
Increased fan speed for AC....738
Indication of serious engine fault....739
Instrument control unit I-ECU; changing....740
Instrument control unit I-ECU; error symptom....742
Interruption in computer communication....743
Interval Wiper....744
Key feed....745
Lead and connector checks....746
Multi-pin breaker box 999 8699....751
Multimeter 981 2519....752
Outdoor temperature....753
Output brake pressure....754
Overspeed; transmission....755
Parking brake....756
Preheating of inlet air....758
RE Relay; general check....760
Reduced computer communication....762
SAE error codes MID 128 Engine control unit (E-ECU)_{36-57}....763
SAE error codes MID 128 Engine control unit (E-ECU)_{37-15}....764
SAE error codes MID 187 Vehicle control unit (V-ECU)....765
SAE error codes; translation to error messages; general....766
SE504 Monitor brake pressure charging....768
SE901_SE902 Sensor; automatic boom kick-out and bucket positioner....770
STOP! COMPUTER FAILURE STOP THE VEHICLE....771
STOP! Turn Off Engine SID 240....773
STOP! Turn Off Engine SID 253....774
STOP! Turn Off Engine SID 254....775
Secondary steering....776
Service display unit 999 3721....778
Service interval....779
Setting software parameters....780
Soft start and safety for AC....783
Software functions per function group....786
Software; description....789
Special tools for troubleshooting....790
Speed limitation for lever steering (CDC)....791
Speed limitation....792
Starter motor engagement....793
System voltage....794
Temperature induction air....795
Template 999 0130....796
Template 999 0133....797
Test methods; description....798
Test pins 999 0008....800
Theft protection....801
Time-controlled high idle....803
Tire radius....804
Transmission disengagement....805
Transmission oil filter....807
Transmission oil pressure....808
Transmission oil temperature....809
Travelling speed....810
Troubleshooting strategy....811
Troubleshooting tools....813
Unit pumps....814
VCADS Pro service tool....815
Vehicle control unit V-ECU; changing....819
Vehicle control unit V-ECU; error symptom....822
Voltage feed E-ECU; I-ECU; V-ECU....824
Voltage feed for sensors....825
WARNING Brake Charging Failure....826
WARNING! Low Brake Pressure....828
Warming of hydraulic oil....830
Washer fluid level....832
Wiping during and after washing....833
31 - BATTERY....834
Battery; changing....835
Battery; description....837
Battery; specifications....838
Battery; weight....839
32 - ALTERNATOR; CHARGE REGULATOR....840
Alternator 080 A; description....841
Alternator 080 A; specification....842
Alternator; description....843
Alternator; replacing incl function checking....844
Alternator; specifications....849
33 - STARTING SYSTEM....850
Preheating coil; description....851
Preheating; description....852
Preheating; specifications....853
Starter motor; specifications....854
Starting system; description....855
35 - LIGHTING....856
Lighting; description....857
Lighting; specifications....859
36 - OTHER ELECTRICAL EQUIPMENT....860
Connectors; overview....861
Connectors; position....865
Engine control unit E-ECU; description....874
Instrument control unit I-ECU; functional description....875
Vehicle control unit V-ECU; description....877
37 - CABLE; FUSE; RELAY....879
Abbreviations; wiring diagrams....882
Alternator; 120 amp HD....883
Cable and component designations....885
Cable and component marking explanations-....887
Cable and component marking explanations....889
Circuit list....891
Communication cable explanation....895
Component list 001 alternator; batteries; capacitors; electronic units....897
Component list 002 diodes....899
Component list 003 fuses....901
Component list 004 heating coils; instruments; service connections....910
Component list 005 lights....912
Component list 006 control-; warning lights....915
Component list 007 solenoid valves....917
Component list 009 relays....919
Component list 010 Signals; shift solenoids....921
Component list 011 sensors....923
Component list 012 switches....927
Component list Motors; resistors; monitoring system....932
Electrical distribution box; description....934
Electrical symbols and designations....936
Frame ground connections and signal ground....939
Wiring diagram 001....941
Wiring diagram 002....943
Wiring diagram 003....945
Wiring diagram 004....947
Wiring diagram 005....948
Wiring diagram 006....950
Wiring diagram 007....952
Wiring diagram 008....954
Wiring diagram 009....956
Wiring diagram 009B....958
Wiring diagram 010....960
Wiring diagram 011....962
Wiring diagram 012....965
Wiring diagram 013....967
Wiring diagram 015B....969
Wiring diagram 016....971
Wiring diagram 017 Updateted CDC....972
Wiring diagram 017....974
Wiring diagram 018....976
Wiring diagram 019....978
Wiring diagram 019C....979
Wiring diagram 020....981
Wiring diagram 021....983
Wiring diagram 021B....987
Wiring diagram 021C....989
Wiring diagram 022....991
Wiring diagram 023....993
Wiring diagram 024....995
Wiring diagram 025....997
Wiring diagram 026....999
Wiring diagram 027....1001
Wiring diagram 028....1003
Wiring diagram 029....1005
Wiring diagram 030....1006
Wiring diagram 031....1008
Wiring diagram 032....1010
Wiring diagram 033....1012
Wiring diagram 034....1013
Wiring diagram 101....1015
Wiring diagram 102....1016
Wiring diagram 103....1018
Wiring diagram 104....1020
Wiring diagram 110....1022
38 - INSTRUMENT; SENSOR; WARNING & INFORMATION SYSTEM....1024
Display panel and keypad; general....1025
Display panel; information displays....1028
Display panel; initial display....1033
Display panel; operating display....1035
Information display unit; setting....1037
Information display; general....1040
Instruments....1042
Middle instrument panel with warning lights....1044
Service display unit; axles and brakes....1046
Service display unit; electrical control input signals 001....1048
Service display unit; electrical control input signals 002....1051
Service display unit; electrical control input signals 003....1053
Service display unit; electrical control output signals 001....1056
Service display unit; electrical control output signals 002....1060
Service display unit; electrical feed sensor....1062
Service display unit; electrical system battery voltage....1063
Service display unit; engine....1064
Service display unit; general....1066
Service display unit; hydraulics....1069
Service display unit; settings....1070
Service display unit; transmission....1073
4 - POWER TRANSMISSION....1074
40 - GENERAL....1075
General description....1076
41 - CLUTCH; TORQUE CONVERTER....1077
Description....1078
Torque converter; specifications....1081
Torque converter; tightening torque....1082
Torque converter; weight....1083
42 - TRANSMISSION; HYDRAULIC CONTROL....1084
Gear selector valve; measuring resistance of solenoids....1085
Gear selector valve; removing and installing....1087
Hydraulic transmission; description....1090
Hydraulic transmission; specifications....1096
Hydraulic transmission; volume....1097
Hydraulic transmission; weight....1098
Transmission oil pressure; checking (all)....1099
Transmission; fault diagnosis....1103
Transmission; installing....1105
Transmission; removing....1109
45 - PROPELLER SHAFT....1114
Propeller shaft; tightening torque....1115
46 - FRONT AXLE; REAR AXLE....1116
Description....1117
Differential lock....1119
Final drive....1120
Front axle; capacity....1122
Front axle; installing....1123
Front axle; removing....1125
Front axle; specification....1129
Front axle; tightening torque....1130
Front axle; weight....1131
Hub reduction; installing....1132
Hub reduction; removing....1136
Planetary gear....1138
Rear axle; capacity....1139
Rear axle; installing....1140
Rear axle; removing....1142
Rear axle; specification....1146
Rear axle; tightening torques....1147
Rear axle; weight....1148
Sensor for differential lock; adjusting....1149
5 - BRAKE....1152
50 - GENERAL....1153
General description....1154
51 - WHEEL BRAKE....1159
Wear indicator; description....1160
Brake discs; checking wear....1161
Front wheel brakes; specification....1165
Front wheel brakes; tightening torques....1166
Brake discs; replacing....1167
Brake piston seals; replacing....1170
Rear wheel brakes; specifications....1173
Rear wheel brakes; tightening torques....1174
52 - HYDRAULIC BRAKE SYSTEM....1175
Hydraulic pump (P2); specifications....1176
Hydraulic pump (P3); specifications....1177
Brake system hydraulic function; checking....1178
Pressure in circuit; checking and adjusting....1183
Brake system; bleeding....1186
Brake valve; specifications....1188
Foot brake valve; description_{19-35}....1189
Foot brake valve; description of function_{19-15}....1193
Brake pedal; adjusting angle....1194
Foot brake valve removed; reconditioning....1195
Brake accumulator; specifications....1198
Brake accumulator; capacity....1199
Accumulator; checking (removed)....1200
Accumulator; checking (removed)_{17-01}....1202
Accumulator; checking (removed)_{16-43}....1204
55 - PARKING BRAKE....1206
Parking brake; specifications....1207
Parking brake; description....1208
Parking brake; changing brake pads; checking and adjusting....1210
6 - STEERING....1216
60 - GENERAL....1217
Steering; description....1218
Steering; function description....1220
64 - STEERING....1225
Description....1226
Function test; secondary steering....1232
Hydraulic pump; description-008....1234
Stand-by pressure (P002); checking and adjusting....1237
Steering cylinder; replacing....1240
Steering cylinder; sectional view....1247
Steering cylinder; tightening torque....1248
Steering pressure; checking and adjusting....1249
Steering valve; description....1252
Steering valve; reconditioning (removed)....1257
Steering valve; replacing....1265
Steering; hydraulic equipment; specifications....1268
Steering; hydraulic equipment; tightening torques....1269
Steering; specification....1270
66 - LEVEL STEERING....1271
Comfort Drive Control; description....1272
Electrical system; description....1275
Hydraulic diagram; steering with CDC and secondary steering - Image....1277
Hydraulic diagram; steering with CDC and secondary steering....1278
Hydraulic system; description ....1280
Lever steering CDC; checking steering signals....1282
Lever steering; adjusting steering speed....1285
7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT....1287
70 - GENERAL....1288
Frame; description....1289
71 - FRAME....1292
Counterweight; changing....1293
Engine; weight....1298
Frame; specifications....1299
Frame; tightening torque....1300
75 - AXLE SUSPENSION....1301
Rear axle mounting; checking clearance....1302
Rear axle mounting; description....1304
77 - WHEELS; TRACKS; TYRE; HUB; DRUM....1305
Wheel; removing and installing....1306
Wheel; tightening torque....1309
Wheel; weight....1310
Wheels; specifications....1311
8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE....1312
80 - GENERAL....1313
Cab; description....1314
81 - CAB; NAKED; CANOPY....1316
Cab suspension; description....1317
Cab; installing....1319
Cab; removing....1326
Cab; weight....1333
82 - ENGINE HOOD; MUDGUARD; FOOT STEP....1334
Engine hood; installing....1335
Engine hood; removing....1340
85 - CAB INTERIOR; UPHOLSTERY....1346
Operator's seat; weight....1347
87 - AIR CONDITIONING UNIT....1348
AC software-controlled; description....1349
ATC; description....1352
Air conditioning; checking performance....1357
Air conditioning; description....1359
Air conditioning; refrigerant; weight....1362
Air conditioning; specifications....1364
Air conditioning; tightening torques....1366
Air conditioning; troubleshooting; software-controlled ATC....1367
Air distribution; specifications....1369
Climate control system; description....1370
Components....1373
Evaporator in air conditioning system; cleaning....1375
Fan motor; changing....1379
Heat control valve; changing....1385
Heater core; changing....1388
9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPMENT; MISCELLANEOUS....1391
90 - GENERAL....1392
Discarded accumulators....1393
Explanations to hydraulic diagram....1395
Hydraulic diagram; complete - Image....1404
Hydraulic diagram; complete....1405
Hydraulic diagram; fan; brake system - Image....1408
Hydraulic diagram; fan; brake system....1409
Hydraulic diagram; reversible fan; brake system - Image....1411
Hydraulic diagram; reversible fan; brake system....1412
Hydraulic diagram; steering - Image....1414
Hydraulic diagram; steering with CDC and secondary steering - Image....1415
Hydraulic diagram; steering with CDC and secondary steering....1416
Hydraulic diagram; steering....1418
Hydraulic diagram; working hydraulics; differential lock - Image....1420
Hydraulic diagram; working hydraulics; differential lock....1421
Hydraulic diagram; working hydraulics; differential lock; BSS - Image....1424
Hydraulic diagram; working hydraulics; differential lock; BSS....1425
Hydraulic diagram; working hydraulics; differential lock; BSS; attachment lock; 3rd_4th_5th_6th function - Image....1428
Hydraulic diagram; working hydraulics; differential lock; BSS; attachment lock; 3rd_4th_5th_6th function....1429
Hydraulic system; bleeding....1432
Hydraulic system; description....1434
Hydraulic system; volume....1436
Safety when working on hydraulic systems....1437
91 - WORKING HYDRAULIC; SERVO HYDRAULICS....1440
3rd; 3rd_4th or 3rd_4th_5th_6th hydraulic function; description....1442
3rd; 3rd_4th or 3rd_4th_5th_6th hydraulic function; maximum pressure; checking and adjustment....1443
3rd_4th hydraulic function; specifications....1446
3rd_4th hydraulic function; valve; description....1447
5th¿6th hydraulic function; specifications....1451
Back-up valve; checking and adjusting....1452
Boom Suspension System; component description....1454
Boom Suspension System; description of function....1458
Boom Suspension System; description....1462
Boom Suspension System; pressure-reducing valve; adjusting....1464
Boom Suspension System; specifications....1465
Boom Suspension System; tightening torques....1466
Boom Suspension System; troubleshooting_{37-19}....1467
Boom Suspension System; troubleshooting_{37-37}....1469
Boom suspension system; accumulator; changing....1471
Boom suspension system; hydraulic oil pressure in accumulators; depressurizing....1474
Boom suspension system; reconditioning accumulator....1477
Boom suspension system; test drive with load....1479
Central block; changing....1481
Central block; description....1484
Central block; specifications....1487
Control valve; changing....1488
Control valve; description....1493
Control valve; specifications....1502
Function times; specifications....1503
Hydraulic connections; tightening torques....1504
Hydraulic couplings; description....1506
Hydraulic oil tank; description....1507
Hydraulic oil tank; vacuum-pumping; connecting and disconnecting pump....1508
Hydraulic pump (P1); specifications-45....1510
Hydraulic pump (P1); specifications....1511
Hydraulic pump (P2); changing....1512
Hydraulic pump (P2); specifications-12....1515
Hydraulic pump (P3); specifications-51....1516
Hydraulic pump; description....1517
Precharge pressure in accumulators; checking and adjusting....1520
Pressure back-up accumulator; checking....1523
Servo pressure at slide; checking....1525
Servo pressure; checking and adjusting_{42-22}....1527
Servo pressure; checking and adjusting_{42-42}....1529
Servo system; description....1531
Servo system; specifications....1534
Servo valve; operating controls; adjusting....1535
Servo valve; replacing....1538
Shock valve lift function; checking....1540
Shock valve; tilt function; checking....1543
Stand-by pressure (P2); checking and adjusting....1546
Working hydraulic system; component location....1549
Working hydraulic system; description....1551
Working pressure (P2); checking and adjusting....1552
92 - MECHANICAL EQUIPMENT_ATTACHMENT....1555
Attachment bracket cylinder; reconditioning....1556
Attachment locking hydraulic cylinder (vision-optimised bracket); replacing....1558
Hydraulic attachment lock (software-controlled); description....1560
Hydraulic attachment lock with raised servo pressure; description....1563
94 - UNIT; LOAD HANDLING....1566
Boom and cylinders; specifications....1567
Boom; description....1568
Lifting cylinder....1570
Tilting cylinder....1571
99 - MISCELLANEOUS....1572
Central lubrication system; description....1573
Central lubrication system; specifications....1575
Lubrication cycle; description....1577
Pressure monitor; description....1579
Selecting lubrication cycle....1583
Volvo L70E Wheel Loaders Repair Service Manual
