Volvo Wheeled Loaders L70B Repair Service Manual + Parts Catalog
Complete service repair manual with Electrical Wiring Diagrams for Volvo Wheeled Loaders L70B, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Volvo Constructions Wheeled Loaders L70B 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 L70B Parts Catalog.pdf
Volvo L70B Service Repair Manual.pdf
PRODUCT DETAILS:
Total Pages: 694 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
Volvo L70B Parts Catalog...1
0 - GENERAL...2
03 - SPECIFICATIONS...3
Product identification plate...4
2 - ENGINE WITH MOUNTING AND EQUIPMENT...5
21 - ENGINE...6
Camshaft...7
Crankshaft and related parts...8
Cylinder block...10
Cylinder head...12
Cylinder liner...15
Engine mounting...17
Engine; assembly...19
Flywheel housing...21
Oil filler and dipstick...23
Oil sump ...25
Repair kits for engine...26
Timing gear casing...32
22 - LUBRICATING SYSTEM...34
Lubricating oil system...35
Oil cooler ...37
Oil cooler with hoses TD 063 KDE...39
Oil cooler with hoses TD061GD...41
Oil filter ...43
Oil pump...45
23 - FUEL SYSTEM...47
Feed pump - FD 369...48
Feed pump FD 370 -...50
Fuel filter...52
Fuel injection pump with fitting parts...54
Fuel lines; injectors...56
Fuel system...59
Fuel tank...61
Injection pump...63
Slurry separator...66
25 - INLET & EXHAUST SYSTEM...68
Air filter 92614...69
Air filter-[552]...71
Exhaust manifold and installation components...73
Exhaust system...75
Induction manifold with fitting parts...77
Inlet manifold TD 063 KDE...79
Inlet system...80
Intercooler TD 063 KDE...82
Oil bath filter 92614...84
Turbo charger...86
Turbocharger with fitting parts...88
26 - COOLING SYSTEM...90
Belt transmission...91
Coolant filter 92613...93
Cooling system...95
Engine heater 92611; 92993; 92994...97
Expansion tank with fitting parts...99
Fan shroud...101
Radiator with fitting parts...103
Water pump; intercooler TD 063 KDE...105
Water pump; thermostat housing...107
Waterpump; assembly TD 063 KDE...110
27 - ENGINE CONTROL...112
Accelerator pedal...113
Engine speed control...115
Hand throttle 92459...117
Key turn engine stop...119
Speed limiter 92714...121
3 - ELECTRICAL; WARNING; INFORMATION; INSTRUMENTS...123
31 - BATTERY...124
Battery box; assembly...125
Battery with assembling details...127
32 - ALTERNATOR; CHARGE REGULATOR...129
Alternator 94527...130
Alternator with assembling details...132
Alternator...134
Brushles alternator 050a 94527...136
33 - STARTING SYSTEM...138
Pre-heater...139
Starter element with fitting parts 92617; STD L70C...141
Starter motor...144
Starter motor; mounting...147
35 - LIGHTING...148
License plate lamp 92457...149
Lighting; front...151
Lighting; rear...153
Work lights Front 92453...155
36 - OTHER ELECTRICAL EQUIPMENT...157
Back-up warning unit 92455...158
Compressor horn...160
Control lever 92627...161
Rotating beacon 92454...163
Windshield washer STD; 92460...165
Windshield wiper for right side front window 94917...167
Windshield wiper; front...169
Windshield wiper; rear 92157...171
37 - CABLE; FUSE; RELAY...173
Cable harness Adjustableflow from hydraulic function 003. 94817. SER NO 12830 -...174
Cable harness Engine...177
Cable harness Front...180
Cable harness for Cdc-steering 92627...182
Cable harness for Cdc-steering 94609...184
Cable harness for air conditioning...186
Cable harness for central lubrication 92754...188
Cable harness for central lubrication. 92754...190
Cable harness; air-suspensioned seat. 92408; 92410; 92412; 94906...192
Cable harness; rear...194
Cable harness; transmission...196
Cable harnesses; cab-[5128]...198
Cable harnesses; cab-[5148]...200
Cable harnesses; cab...202
Electrical distribut.unit and control unit...204
Electrical system 005th and 6th fuction 92767...207
Electrical system Boom suspension system 92628...209
Electrical system Forward_reverse switch 92749...211
Electrical system Hydraulic system; Heavy Duty 92685...213
Electrical system Parking brake alarm 92158...215
Electrical system Secondary steering system 92626...217
Electrical system speed limiter max. 030km_h 92714...219
Electronic unit 92627...221
Instrument; equipment hydraulic; Heavy Duty 92685...223
38 - INSTRUMENT; SENSOR; WARNING & INFORMATION SYSTEM...225
Instruments panel...226
Relays; sensors and soleniod valves referens list...229
Switch panel...232
39 - MISCELLANEOUS...235
Electrical system Radio 92462...236
4 - POWER TRANSMISSION...238
41 - CLUTCH; TORQUE CONVERTER...239
Gasket kit for transmission...240
Torque converter...243
42 - TRANSMISSION; HYDRAULIC CONTROL...245
Clutch housing 004 - speeds 30872...246
Clutch housing 008-speeds 30873 92631...249
Clutch housing with fitting parts...253
Converter housing with fitting parts...256
Gear box housing with fitting parts...258
Gear selector valve...260
Hydraulic clutch 001st and 2nd speeds...262
Hydraulic clutch forward_003rd speeds...264
Hydraulic clutch rear_004th speeds...266
Hydraulic transmission with fitting parts...268
Pressure limiting valve...270
Pump drive...272
45 - PROPELLER SHAFT...274
Propeller shaft-[4031]...275
Propeller shaft-[4051]...276
Propeller shaft...277
Propeller shaft; mounting...278
46 - FRONT AXLE; REAR AXLE...280
Axle; front 23848; 23850; 23867...281
Axle; rear 23849...284
Controls; differential lock 92616...287
Differential carrier; AWB 015; 94642...290
Differential carrier; See Sb 460 Ind K9 23848; 23849; 23850...292
Differential lock 92616...295
Planetary axle mounting...297
49 - MISCELLANEOUS...299
Oil cooler...300
5 - BRAKE...302
51 - WHEEL BRAKE...303
Disc brake...304
52 - HYDRAULIC BRAKE SYSTEM...306
Brake system...307
Dual brake pedals 92461...310
Footbrake valve...312
Valve Accumulators...314
55 - PARKING BRAKE...316
Brake shoes...317
Hand brake...318
56 - COMPRESSED-AIR BRAKE...320
Air compressor 94592...321
Compressed air equipment 94592...324
Regulator 94592...327
6 - STEERING...329
64 - STEERING...330
Adjustable steering wheel 92465...331
Auxiliary steering system 92626...333
Hydraulic cylinder...336
Hydraulic cylinder; assembly...338
Sensor 92626...340
Steering column assembly...342
Steering system...344
Steering unit...346
Valve Housing...348
66 - LEVEL STEERING...350
Comfort drive control 92627;94609...351
Valve; circuit body and return valve 92627;94609...353
7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT...355
71 - FRAME...356
Frame...357
Lamp retainer...360
Protecting plates...362
Protection for lighting 90616; 92764; 98204...365
Protection for lighting 92654; 92655; 92656...367
77 - WHEELS; TRACKS; TYRE; HUB; DRUM...369
Wheel...370
8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE...372
81 - CAB; NAKED; CANOPY...373
Cab body...374
Operator's cab...376
82 - ENGINE HOOD; MUDGUARD; FOOT STEP...378
Engine cover...379
Side hatches...381
Radiator casing...384
Mud guards 92716; 92880...387
Mud guards 92720...389
Swing out rear mudguard 92762...391
Swing out rear mudguard 94894...394
83 - DOORS; HATCH; COVER PLATE; (all)...397
Door mounting...398
Door...400
84 - TRIM PART; OUTSIDE; GLASS; SEALING MOULDING...403
Glass panes...404
Sliding window 92165; 94825...406
85 - CAB INTERIOR; UPHOLSTERY...408
Interior components...409
Insulating matting...411
Operator seat Assembly...413
Operator's seat Be-ge 92409; 92410...415
Operator's seat; Kab 92411...417
Operator's seat; Air suspensioned Kab 92412...419
Operator seat Isri 92402; 92401; 94904; 94900; 94902...421
Driver's seat; air suspensioned Isri 92408; 94906-[2217]...423
Driver's seat; air suspensioned Isri 92408; 94906...425
Instructor's seat 92464...427
Cdc-steering; foldable armrest. 92627...429
Cdc-steering; armrest; mounting 94609...431
Armrest 94609...433
87 - AIR CONDITIONING UNIT...435
Heating system...436
Air filter...437
Air ducts...440
Fan...442
Radiator and control...443
Compressor Assembly...445
Air compressor 92632; 94529...447
Condenser Assemly...449
Evaporator Assembly 94529; 92632...451
88 - INTERIOR EQUIPMENT...453
Instrument panel...454
Radio bracket 92462...456
89 - MISCELLANEOUS...458
Tools 92360...459
Tools 92450; 92451...461
Sign plates and decals 92619; 92621; 92694; 92702; 92703...463
Sign plates and decals 92693; 92698; 92699; 92701; 92704...466
LGF - sign; Slow moving vehicle 99591...469
German version 92695...471
9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPMENT; MISCELLANEOUS...473
91 - WORKING HYDRAULIC; SERVO HYDRAULICS...474
Hydraulic system Feed lines and return lines...476
Hydraulic system valve block - connection block...479
Hydraulic system Lift...481
Hydraulic system Tilt...484
Hydraulic system Centralblock - Control valve...486
Hydraulic oil tank...489
Oil filter...491
Hydraulic oil cooler...493
Control valve; assembly...495
Control valve...497
Valve section Lift...499
Valve section 3rd function 92494; 94883; 93547...501
Valve section Tilt...503
Valve body Assembly...505
Valve housing...507
Hydraulic pump SER NO - 13027; SER NO - 70016 BRAZIL...510
Hydraulic pump SER NO 13028 -; SER NO 70017 - BRAZIL...512
Servo hydraulic Feed line and return line...514
Servo hydraulic Control lines Tilting...516
Servo system Control lines Lifting...518
Servo hydraulic Fitting parts L70B...520
Servo hydraulic Fitting parts L70C...522
Servo valve; assembly...524
Servo valve...526
Constant flow from hydraulic function 3 92989. SER NO - 12829...529
Servo hydraulic Control and valves 94817. SER NO 12830 -...531
Servo hydraulic hydraulic lines 94817. SER NO 12830 -...533
Single acting lifting function 92717; 94551...535
Suction line and return lines Heavy Duty 92685...538
Feed lines Heavy Duty 92685...541
Hydraulic pump Heavy Duty 92685...544
Hydraulic system; 3rd function 92494;94883; SER NO - 12971...546
Hydraulic system; 3rd function 93547; SER NO 12972 -...549
Hydraulic system; 4rd function 92495; 94531...551
Hydraulic system; 4rd function; Lifting arms 92495; 94531...554
Hydraulic system; feed- and return lines; 5th and 6th funcion 92767...556
Hydraulic system; Feed line 5th and 6th funcion 92767...559
Valve section with assembly parts 92767...561
Valve section 92767-[0536]...563
Valve section 92767...565
Boom lowering system. STD. 92709...567
Boom suspension system; hoses 92628; 94552...569
Boom suspension system; valves and nipples 92628; 94552...571
Valve; circuit body and return valve 92628; 94552...574
Hydraulic system; tool bar 92662...576
92 - MECHANICAL EQUIPMENT_ATTACHMENT...579
Attachment bracket 92662; 93536...580
Attachment bracket 93517...582
Hydraulic cylinder 92662; 93536...584
94 - UNIT; LOAD HANDLING...586
Lifting unit SER NO - 12837...587
Lifting unit...590
Links with fitting parts...593
Hydraulic cylinder Tilting...596
Hydraulic cylinder Lifting...598
Bucket positioner and boom kickout STD; 92163; 92164...600
99 - MISCELLANEOUS...602
Central lubrication. 92754...603
Central lubrication for tool bar. 92753...605
Distribution block; B1 92754...607
Distribution block; B2. 92754...609
Distribution block; B3. 92754...611
Pump 92754...613
Volvo L70B Service Repair Manual...615
0 - GENERAL...616
00 - DESCRIPTION; COMPLETE MACHINE...617
Description...618
Product Identification Plates...619
03 - SPECIFICATIONS...620
Boom Suspension System...621
Brakes...622
Capacities...623
Electrical system...624
Engine...626
Hydraulic system...630
Power transmission...632
Servo system...634
Steering system...635
Tightening torques...636
VOLVO BM standard tightening torques...637
Weights (approx)...639
07 - STANDARD TIME...640
Time Guide...641
08 - TOOL...650
E-tool...651
1 - STANDARD PARTS; SERVICE...659
17 - SERVICE...660
Charging batteries-...661
Cleanliness when working on brake and hydraulic systems...662
Electric welding...663
Repairing hydraulic systems...664
Towing _ recovering...665
19 - GENERAL...668
A few simple rules for batteries...669
A few simple rules of safety...670
A few simple rules when inflating tyres...676
A few simple rules when servicing...677
Charging batteries...682
Danger in connection with polymer materials...683
Measures to prevent fire...685
Refrigerant in air-conditioning units...688
Safety concerns everybody!...690
Service position...691
Starting with booster batteries...693
2 - ENGINE WITH MOUNTING AND EQUIPMENT...694
21 - ENGINE...695
Specifications...696
Description...697
Engine; Fitting...713
Engine; removing...715
Fault tracing...720
Specifications ...721
22 - LUBRICATING SYSTEM...723
Specifications...724
23 - FUEL SYSTEM...725
Fuel system; air bleeding...726
Specifications...728
Fuel tank; removing and fitting...729
Specifications-...731
Checking engine speed and travelling speed with frequency meter-12...732
Checking engine speed and travelling speed with frequency meter...734
Idling speed; checking and adjusting...736
Injection angle (timing); checking and adjusting...739
Injection angle (timing); checking and adjusting (with injection timing tool 998 7057)...743
Specifications...746
Speed control; checking and adjusting...747
Stall speed; checking...750
Specifications ...751
25 - INLET & EXHAUST SYSTEM...752
Specifications-...753
Specifications ...754
Specifications...755
26 - COOLING SYSTEM...756
Specifications ...757
Specifications...758
27 - ENGINE CONTROL...759
Stop solenoid; adjustment-...760
Stop solenoid; adjustment...762
Specifications...764
3 - ELECTRICAL; WARNING; INFORMATION; INSTRUMENTS...765
30 - GENERAL...766
Description...767
Special instructions when working on the electriapproxl system...768
Specifications...769
31 - BATTERY...770
Charging batteries...771
Specifications...772
32 - ALTERNATOR; CHARGE REGULATOR...773
Specifications...774
33 - STARTING SYSTEM...775
Specifications...776
35 - LIGHTING...777
Specifications...778
Headlights; adjustment...779
37 - CABLE; FUSE; RELAY...780
Code key for diodes...782
Codes used in wiring diagrams...784
Explanations to wiring diagrams...795
List of circuits...798
Wiring diagram; circuits 11–110...803
Wiring diagram; circuits 21–210...808
Wiring diagram; circuits 31–310...813
Wiring diagram; circuits 41–410...819
Wiring diagram; circuits 51–510...825
Wiring diagram; circuits 61–610...830
Wiring diagram; circuits 71–77...833
Wiring diagram; circuits 81–810...836
Wiring diagram; circuits 8D1–8D7...839
Wiring diagram; circuits 91–97...842
Wiring diagram; circuits 101–107...846
Wiring diagram; circuits 111–118...849
Wiring diagram; circuits 121–128...852
Wiring diagram; circuits 131–1310...855
Wiring diagram; circuits 13D1–13D10...860
Wiring diagram; circuits 141–1410...865
Wiring diagram; circuits 151–1510...870
Wiring diagram; circuits 161–1610...874
Wiring diagram; circuits 16D1–16D9...878
Wiring diagram; circuits 171–178...882
Wiring diagram; circuits 181–1810...885
Wiring diagram; circuits 191–197...888
Wiring diagram; circuits 201–207...890
Wiring diagram; circuits 211–215...893
Wiring diagram; circuits 21D1–21D5...895
Wiring diagram; circuits 221–229...897
Wiring diagram; circuits 241–2410...900
Wiring diagram; circuits 24A1–24A10...903
Wiring diagram; circuits 251–259...906
Wiring diagram; circuits 261–268...909
Wiring diagram; circuits 26D1–26D8...912
Wiring diagram; circuits 271–278...915
Wiring diagram; circuits 281–289...918
Wiring diagram; circuits 291–2910...921
Electrical distribution box...925
Specifications...930
38 - INSTRUMENT; SENSOR; WARNING & INFORMATION SYSTEM...931
Instruments and controls...932
Contronic System...935
Automatic gear shifting; description of function...937
Contronic Display Unit...941
General description of control unit function...955
Manual gear shifting; description of function...956
Operating with ecu disconnected...957
Units connected to the control unit...959
4 - POWER TRANSMISSION...965
40 - GENERAL...966
APS II (Automatic Power Shift with Mode Selector)...967
Description...970
Fault-tracing hints...975
41 - CLUTCH; TORQUE CONVERTER...976
Specifications ...977
42 - TRANSMISSION; HYDRAULIC CONTROL...978
Block diagram...979
Hydraulic symbol diagram...982
Transmission HT90 (8-speed design)...985
Specifications-...988
Transmission oil pressures; checking (all)...989
Transmission; fitting...995
Transmission; removing...997
46 - FRONT AXLE; REAR AXLE...1003
Differential carrier assembly...1004
Planetary gear...1006
Specifications...1007
Rear axle suspension; checking; fitting...1008
Rear axle suspension; checking; removing...1010
Differential lock front; adjusting...1014
5 - BRAKE...1016
50 - GENERAL...1017
Description...1018
Description of function...1020
51 - WHEEL BRAKE...1022
Brake disc; changing-...1023
Brake disc; changing...1032
Brake discs; checking wear; L70C up to incl. ser. no. - 13501...1041
Brake discs; checking wear; L70C w.e.fr. ser. no. 13502 - axle-...1043
Brake discs; checking wear; L70C w.e.fr. ser. no. 13502 - axle...1046
Brake system; checking function of hydraulics...1049
Brake system; checking function of retardation...1055
52 - HYDRAULIC BRAKE SYSTEM...1057
Hydraulic diagram; brake system...1058
Pressure in circuit; checking and adjusting...1062
Specifications...1065
Description of function...1066
Foot brake pedal; adjusting angle...1067
Foot brake valve removed; reconditioning...1068
55 - PARKING BRAKE...1072
Description ...1073
Parking brake; adjusting...1074
Specifications...1076
6 - STEERING...1077
60 - GENERAL...1078
Description...1079
64 - STEERING...1080
Hydraulic diagram; stering system...1081
Specifications ...1088
Control valve...1089
Hydraulic pump...1095
Lever steering...1098
Lever steering; CDC...1100
Lever steering; CDC (Comfort Drive Control)...1106
Secondary steering system...1111
Specifications...1117
Steeering valve; removed; reconditioning...1118
Steering cylinder...1128
Steering cylinder removed; reconditioning...1129
Steering lever cu3; checking voltage in_out...1137
Steering pressure and stand-by pressure; checking and adjusting...1141
Steering valve orbitrol...1144
7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT...1151
71 - FRAME...1152
General description...1153
Specifications...1154
Specifications-...1155
Specifications...1156
74 - FRAME LINK...1157
Frame joint; changing bearings...1158
8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE...1165
81 - CAB; NAKED; CANOPY...1166
Specifications...1167
87 - AIR CONDITIONING UNIT...1168
Description...1169
Electrical system; Description of function...1172
AC safety; Description of function...1176
Air conditioning with refrigerant R134a...1179
Description of function...1182
9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPMENT; MISCELLANEOUS...1184
91 - WORKING HYDRAULIC; SERVO HYDRAULICS...1185
Hydraulic diagram...1186
Specifications ...1211
Central valve; description...1213
Working hydraulics; description...1216
Control valve; description...1219
Shock valve 3e function; checking and adjusting...1236
Shock valve; lifting function; checking and adjusting...1237
Shock valve; tilting function; checking and adjusting...1240
Specifications_...1243
Specifications ...1244
Stand-by pressure; checking and adjusting...1245
Working pressure; checking and adjusting...1247
Servo pressure; checking and adjusting...1249
Servo pressure; checking at spool in control valve...1252
Servo system...1254
Servo valve; operating controls; adjusting...1258
Specifications...1261
4th Hydraulic function...1262
5th and 6th Hydraulic functions...1266
Accumulator for boom suspension system; releasing pressure...1278
Accumulator; boom suspension system; reconditioning...1279
Accumulator; precharging pressure; checking and adjusting...1282
Attachment hydraulics GP; description...1284
Boom Suspension System...1290
Boom suspension system; checking...1301
Flow control 3rd function...1303
Pressure-reducing valves R1 and R2; closing pressure; checking...1304
Safety valve TB; opening pressure; checking...1306
Specifications...1308
92 - MECHANICAL EQUIPMENT_ATTACHMENT...1309
Specifications...1310
94 - UNIT; LOAD HANDLING...1311
Lifting cylinder...1312
Specifications...1313
Tilting cylinder...1314
Volvo Wheeled Loaders L70B Repair Service Manual + Parts Catalog
