Volvo EC80D Compact Excavators Service Repair Manual
Complete repair service manual with Electrical Wiring Diagrams for Volvo EC80D Compact Excavators, with technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Volvo Constructions EC80D Compact Excavators 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 EC80D Compact Excavators Service Repair Manual.pdf
MAIN SECTIONS
0 - GENERAL
1 - STANDARD PARTS, SERVICE
2 - ENGINE WITH MOUNTING AND EQUIPMENT
3 - ELEC. SYSTEM; WARNING SYSTEM; INFORMATION SYSTEM; INSTRUMENTS
4 - POWER TRANSMISSION
7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT
8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE
9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPM.; MISC EQUIPM
PRODUCT DETAILS:
Totol Pages: 2,122
File Format: PDF (Windows & Mac & Linux)
Language: English
TABLE OF CONTENTS
0 - GENERAL...2
00 - DESCRIPTION; COMPLETE MACHINE...3
Machine view...4
Product plates...6
03 - SPECIFICATIONS...8
Tightening torques...9
Measurement conversion tables...20
07 - STANDARD TIME...29
Operation numbers for additional work...30
09 - MISCELLANEOUS...32
Service positions...33
Welding on the machine...35
Hydraulic cylinders; dieseling...38
1 - STANDARD PARTS; SERVICE...42
16 - LUBRICANT; FUEL; OTHER FLUID...43
Engine oil...44
Fuel...47
Hydraulic oil...49
Recommended lubricants...54
Coolant_{12-42}...56
Coolant_{12-24}...61
Coolant with freezing and corrosion protection...65
Grease...69
Alternative fuels...73
Change capacities_{10-58}...76
Change capacities_{10-40}...77
17 - SERVICE...78
Bearings...82
Replacement parts...86
Safety when servicing...90
Service...94
Service methods...97
Pressure testing...101
Hoses and tubes...105
Cleaning prior to repair...109
VCADS Pro; Operations...113
Arrival Inspection; according to Inspection Programme...114
Delivery Inspection; according to Inspection Programme...115
Maintenance of Stored Machines; according to Inspection Programme...116
Maintenance service; daily...117
Maintenance service; every 50 hours ...118
Maintenance service; every 250 hours ...119
Maintenance service; every 500 hours ...121
Maintenance service; every 1000 hours ...123
Maintenance service; every 2000 hours ...125
Maintenance service; every 4000 hours...127
Test-run and check...129
VCADS Pro; logged errors; read off...130
The machine; check for external damages; cracks and wear damages...132
Washer fluid level; check...135
Engine; oil level; check...136
Coolant level; check...138
Hydraulic oil level; check...139
Fuel filters; replacing ...140
Water separator; check_drain...142
Fuel tank sediment; drain...144
Hydraulic oil servo filter; change...145
Air cleaner; cleaning filter element ...146
Air cleaner; primary filter replacing ...148
Air cleaner; secondary filter replacing ...150
Battery condition; check...153
Belts and belt tension; check; replace when needed...155
Radiator outside_hydraulic oil cooler outside; cleaning...157
Hydraulic oil suction strainer; clean...159
Valves; adjusting ...160
Fuel injectors; inspect_clean and test...167
Coolant anti-freeze resistance; checking ...172
Coolant; changing ...173
Air conditioner main filter; clean...176
Air conditioner main filter; change...177
Lubrication every 10 hours; see lubrication chart...178
Lubrication every 50 hours; see lubrication chart...179
Swing ring gear bearing; lubricate...180
Cab; door; covers; hinges; joints and locks; lubricate...181
Track shoe bolts; check...182
Track tension_condition; check...183
Track gearbox oil level; check...184
Track gearbox oil; change...185
Loose and loss of bolts; check...186
Service history (included in the respective Operator's manual); fill in...187
Maintenance service; first 500 hours...188
Maintenance service; every 10 hours...189
Maintenance service; every 50 hours...190
Maintenance service; every 100 hours...191
Maintenance service; every 250 hours...192
Maintenance service; every 500 hours...194
Maintenance service; every 1000 hours...196
Maintenance service; every 1500 hours...198
Maintenance service; every 2000 hours...200
Maintenance service; every 3000 hours...202
Maintenance service; every 6000 hours...204
Service position...205
Lubrication; every 10 hours...207
Lubrication; every 50 hours...208
Test running and checking...209
Valves; adjusting...211
Engine oil level; checking...218
Engine oil and filter; changing_{43-39}...220
Engine oil and filter; changing_{43-19}...223
Water separator; checking...226
Fuel filter; replacing...228
Fuel hoses; checking...230
Fuel injectors; checking...231
Air inlet hose; checking...236
Turbocharger; checking...238
Engine air cleaner primary filter; replacing...240
Engine air cleaner secondary filter; replacing...242
Coolant level; checking...244
Coolant; changing...245
Coolant freezing point; checking...248
Fan_alternator belt; checking...251
Radiator hoses; checking...253
Radiator and hydraulic oil cooler; cleaning...255
MATRIS and Tech Tool; reading...257
Track gearbox oil level; checking...258
Track gearbox oil; changing...259
Swing ring gear bearing; lubricating...261
Swing bath grease; lubricating...263
Track shoe bolts; checking...264
Track tension and condition; checking...266
Cab door; covers; hinges; joints and locks; lubricating...268
Air conditioner main filter; cleaning...269
Air conditioner main filter; replacing...272
Air conditioner compressor belt; checking...275
Hydraulic oil level; checking...277
Hydraulic oil; changing...279
Hydraulic oil suction strainer; cleaning...282
Hydraulic oil servo filter; replacing...284
Hydraulic oil return filter; replacing...285
Hydraulic oil tank breather filter; cleaning...288
Air compressor; air tank water; draining...289
Air compressor; air filter; cleaning...290
Air compressor; air filter; replacing...292
Measuring condition...294
Cylinder speed...295
Creeping of hydraulic cylinder...298
Swing speed...300
Coasting left and right swing...301
Measuring of swing bearing clearance...303
Travel Speed...306
Track running speed...308
Straight traveling performance...310
Starting engine with booster cables...312
19 - GENERAL...314
General precautions...315
Safety concerns everybody!...319
CE-marking; EMC-directive...320
Cautions during operation...324
Safety when handling the machine...331
Preparations for work...338
Safety rules when servicing...342
Move and operate machine safely...347
Fire prevention measures...350
Health hazards with paint; plastics and rubber...353
Checklist after a fire or heat exposure...355
Safety when using lifting equipment...356
Safety when handling oils and fuel...358
Safety when working with batteries...359
Starting with booster batteries...362
Safety when working with air conditioning refrigerant...363
Safety when working with hydraulic systems...366
Environmental handling for the future...367
Environmentally safe handling...368
Environmentally hazardous fluids...370
Working in environmentally contaminated areas...371
Decontamination...372
Waste handling...373
2 - ENGINE WITH MOUNTING AND EQUIPMENT...374
20 - GENERAL...375
Engine; description_{09-53}...376
Engine; description_{09-32}...380
Engine; identification...382
Engine; tightening torque...383
Precautions...385
Periodic inspection and maintenance procedure...386
Component locations_{07-32}...390
Component locations_{07-11}...393
Maintenance standards...396
Special tools...397
Engine belts; replacing_{05-45}...402
Engine belts; replacing_{05-24}...405
21 - ENGINE...409
Engine; specifications_{04-02}...410
Engine; specifications_{03-44}...411
Troubleshooting chart...412
Engine rotation speed sensor (crank shaft); replacing...418
Compression pressure inspection...420
Adjusting operation...423
Engine; removing_{01-42}...433
Engine; removing_{01-12}...440
Engine; installing_{00-39}...451
Engine; installing_{00-18}...457
Engine; tightening torques...464
Cylinder head; description...465
Cylinder block; description...467
Pistons; description...469
Valve system specifications_{57-13}...471
Valve system specifications_{56-53}...472
Valves; adjusting_{55-37}...473
Valves; adjusting_{55-08}...481
Valve covers; fitting new gasket...488
Engine timing gear; description...490
Camshaft; description...492
Crankshaft; description...494
Crankshaft front oil seal; replacing...496
Crankshaft rear oil seal; replacing...499
Engine mounting; tightening torque...502
22 - LUBRICATING SYSTEM...504
Lubricating system; description...505
Lubrication system; specifications_{48-55}...508
Lubrication system; specifications_{48-37}...509
Lubrication system; component locations_{48-10}...510
Lubrication system; component locations_{47-50}...512
Lubrication system; tightening torques...514
Lubrication oil pressure; checking with pressure gauge_{45-59}...517
Lubrication oil pressure; checking with pressure gauge_{45-39}...520
Oil cooler; replacing_{44-23}...523
Oil cooler; replacing_{44-02}...526
23 - FUEL SYSTEM...530
Fuel system; description_{42-42}...531
Fuel system; description_{42-22}...533
Fuel system; specifications-54...535
Fuel system; specifications...536
Fuel system; tightening torques_{41-09}...537
Fuel system; tightening torques_{40-49}...543
Fuel system; component location_{40-21}...544
Fuel system; component location_{40-00}...546
Fuel pump unit; replacing ...548
Fuel filters; replacing...555
Fuel tank; specifications...557
Fuel filler pump; specifications...558
Fuel tank; description...559
Fuel filling pump; removing...560
Fuel filling pump; installing...562
Fuel injection pump; description...564
Stop solenoid; description...566
Cold start device; description...567
Injection pump; checking...569
Injection timing; checking...572
Injectors; description...576
Injectors; replacing...578
Overflow pipe; inspecting...586
Fuel pump unit; replacing...589
25 - INLET & EXHAUST SYSTEM...596
Inlet and exhaust system; component location_{29-52}...597
Inlet and exhaust system; component location_{29-32}...599
Inlet and exhaust system; tightening torques_{29-01}...601
Inlet and exhaust system; tightening torques_{28-43}...602
Silencer; replacing_{27-30}...603
Silencer; replacing_{27-10}...606
Turbocharger; inspecting...610
Turbocharger; replacing...612
Wastegate; checking...616
Air cleaner; description...618
Preheating coil; replacing...619
Air cleaner; cleaning filter element...622
Air cleaner; primary filter replacing...624
Air cleaner; secondary filter replacing...626
26 - COOLING SYSTEM...629
Cooling system; description...630
Cooling system; component location_{21-25}...634
Cooling system; component location_{21-05}...636
Cooling system; tightening torques_{20-35}...638
Cooling system; tightening torques_{20-17}...639
Cooling system; specification...640
Radiator; description...641
Coolant anti-freeze resistance; checking...643
Coolant; changing_{18-16}...648
Coolant; changing_{17-56}...651
Radiator; replacing_{17-26}...654
Radiator; replacing_{17-03}...662
Radiator hoses all; replacing...671
Expansion tank; replacing...675
Coolant pump; replacing...677
Thermostat; replacing_{14-46}...680
Thermostat; replacing_{14-25}...683
Thermostat; checking...686
Thermostat; specifications...690
29 - MISCELLANEOUS...691
Engine control; specifications_{12-24}...692
Engine control; specifications_{12-06}...694
Exhaust Gas Recirculation (EGR); description...695
EGR cooler; replacing...700
EGR cooler pressure; testing...702
EGR valve; replacing...705
3 - ELECTRICAL; WARNING; INFORMATION; INSTRUMENTS...707
30 - GENERAL...708
Electrical system; special instructions for servicing; general...710
Electrical system; special instructions for servicing; electronic components...714
Electrical system; special instructions for servicing; electrical components; batteries...717
Electrical system; special instructions for servicing; electrical components; alternator and charging regulator...721
Electrical system; special instructions for servicing; action when working on machine...724
Electrical system; description...727
Electronic control system; description...729
Communication with data buses...731
System voltage...732
Electrical system; specifications...733
Safe start; description...734
Engine speed control...735
Overload warning...737
Auto Idle...739
Anti theft device...740
General fault diagnosis information...742
Troubleshooting strategy...744
Collection of basic data...747
Error codes; build-up...751
Conditions when checking...756
Lead and connector checks...761
Troubleshooting tools...767
Special tools for troubleshooting...769
VCADS Pro service tool...770
AL3201; description and measuring_{58-09}...774
AL3201; description and measuring_{57-44}...776
BA3101; description and measuring...779
CU2504; description and measuring_{56-36}...781
CU2504; description and measuring_{56-02}...785
Power supply BSE; description and measuring...788
Power supply I-ECU; description and measuring...790
Power supply V-ECU; description and measuring...792
PPID148; description and measuring...794
PSID150; description and measuring...796
PWM2304; description and measuring...798
RE2302; description and measuring...800
RE2501; description and measuring_{51-33}...802
RE2501; description and measuring_{51-08}...804
RE3101; description and measuring_{50-21}...806
RE3101; description and measuring_{49-56}...808
RE3301; description and measuring_{49-22}...810
RE3301; description and measuring_{48-58}...812
RE3601; description and measuring...814
SAE J1708_1587 Information link; description and measuring...816
SAE J1939_CAN control link; description and measuring...818
SAE J1939_CAN1 Control link; description and measuring...821
SAE J1939_CAN2 Control link; description and measuring...823
SE2303; description and measuring_{44-02}...825
SE2303; description and measuring_{43-35}...828
SE2502; description and measuring_{43-01}...831
SE2502; description and measuring_{42-35}...833
SE2606; description and measuring...835
SE2701; description and measuring...837
SE9401; description and measuring_{40-49}...839
SE9401; description and measuring_{40-26}...841
SW2701; description and measuring...843
31 - BATTERY...845
Battery; storage...846
Battery; description...849
Battery; specifications...851
Battery; charging...852
Batteries; replacing...853
32 - ALTERNATOR; CHARGE REGULATOR...856
Alternator; specifications...857
Alternator; description...858
Alternator; replacing incl function checking_{36-21}...859
Alternator; replacing incl function checking_{36-04}...861
Alternator; testing...864
Alternator; inspection...866
33 - STARTING SYSTEM...867
Starting operation...868
Starter switch (engine start switch); replacing...870
Starter motor; description...873
Starter motor; specifications...874
Starter relay; replacing...875
Starter motor; replacing...877
Preheating; description...880
Preheating; specifications...882
35 - LIGHTING...883
Work lights and extra lights; description...884
Work lights and extra lights; specifications...887
Work lights and headlights; description...888
Work lights and headlights; specifications...889
Work lighting headlamp assembly; replacing...890
36 - OTHER ELECTRICAL EQUIPMENT...892
Electric horn; description...893
Electric horn; specifications...894
Horn; replacing...895
Rotating beacon; specifications...897
Rotating beacon; replacing...898
Travel alarm; description...900
Travel alarm; specifications...901
Travel alarm; replacing_{26-47}...902
Travel alarm; replacing_{26-27}...904
Windscreen wiper front motor; replacing...906
Windscreen flusher pump; replacing...909
Windscreen wiper; description...911
Wiper motor; description...913
Wiper motor; specifications...914
Pre-heating relay; replacing...915
Start switch; description...917
Start switch; specifications...919
GPS control unit GPS-ECU; description...920
Instrument control unit I-ECU; functional description...921
Vehicle control unit V-ECU; functional description...923
I-ECU; replacing...924
V-ECU; replacing_{21-35}...926
V-ECU; replacing_{21-17}...928
37 - CABLE; FUSE; RELAY...930
Electrical symbols and designations...932
Explanation of wiring diagrams...935
Component designations...939
Component list Alternator; batteries; capacitors; electronic units; voltage outlet_{54-05}...940
Component list Alternator; batteries; capacitors; electronic units; voltage outlet_{53-47}...941
Component list; diodes...942
Component list; fuses_{52-57}...943
Component list; fuses_{52-39}...944
Component list; Heating coils_{52-11}...945
Component list; Heating coils_{51-53}...946
Component list; lights_{51-25}...947
Component list; lights_{51-07}...948
Component list; Miscellaneous_{50-35}...949
Component list; Miscellaneous_{50-17}...950
Component list; motors_{49-50}...951
Component list; motors_{49-32}...952
Component list; relays_{49-04}...953
Component list; relays_{48-46}...954
Component list; relays_{48-28}...955
Component list; sensors_{48-01}...956
Component list; sensors_{47-43}...957
Component list; Solenoid valves_{47-06}...958
Component list; Solenoid valves_{46-48}...959
Component list; Switches_{46-21}...960
Component list; Switches_{46-03}...961
I-ECU; I_O list...962
V-ECU; I_O list...963
Wiring diagram_{44-39}...965
Wiring diagram_{44-21}...966
Control system diagram...967
Wiring diagram SCH01...970
Wiring diagram SCH02...974
Wiring diagram SCH03...977
Wiring diagram SCH04...982
Wiring diagram SCH07...986
Wiring diagram SCH08...990
Wiring diagram SCH10_{40-25}...993
Wiring diagram SCH10_{40-03}...997
Wiring diagram SCH12...1001
Wiring diagram SCH13...1006
Wiring diagram SCH15...1009
Wiring diagram SCH18...1012
Wiring diagram SCH30...1015
Wire harness layout_{37-00}...1018
Wire harness layout_{36-39}...1023
Engine wire harness; replacing...1026
Battery disconnect switch; description...1032
Battery disconnect switch; specifications...1033
Battery disconnector; replacing...1034
Electrical distribution box...1037
Fuse; description...1038
Slow blow fuse; description...1041
Relay; description...1042
Relay; specifications...1044
Component location 2...1045
Component location 3...1049
Component location 8...1059
Component location 9...1062
38 - INSTRUMENT; SENSOR; WARNING & INFORMATION SYSTEM...1065
Instruments and controls; overview...1066
Instruments and controls; front instrument panel...1068
Instruments and controls; left instrument panel...1069
Instruments and controls; right instrument panel...1070
Instruments and controls; rear instrument panel...1072
Hour counter; specifications...1073
Fuel level sender; replacing...1074
Engine temperature sensor; replacing...1076
Engine oil pressure sensor; replacing...1078
Engine rotation speed sensor; replacing...1081
Menu tree...1083
Service mode...1085
Engine system...1088
Electrical system...1090
39 - MISCELLANEOUS...1093
Radio; description...1094
Radio with CD and MP3 player; description...1097
Radio with CD and MP3 player; specifications...1099
Radio; replacing...1101
Antenna; replacing...1103
Speaker; replacing...1105
W-ECU; MID142; changing non-programmed ECU...1107
W-ECU; MID142; changing pre-programmed ECU...1110
CareTrack battery; replacing...1112
4 - POWER TRANSMISSION...1115
40 - GENERAL...1116
Tightening torque; specifications...1117
Power transmission; description...1118
43 - GEARBOX...1119
Function description...1120
Track gearbox; specifications...1121
Track gearbox; description_{04-41}...1122
Track gearbox; description_{04-20}...1126
Track gearbox; maintenance standard...1131
Track unit; replacing...1135
Track gearbox cover; replacing...1139
Track gearbox; disassembly...1142
Track gearbox; assembly...1150
Swing gearbox; specifications...1155
Swing gearbox; description...1156
Swing unit; replacing...1157
44 - HYDROSTATIC DRIVE...1161
Track motor; specifications_{58-09}...1163
Track motor; specifications_{57-51}...1164
Track motor; description_{57-23}...1165
Track motor; description_{57-01}...1172
Track motor; maintenance standard...1186
Track motor; maintenance...1191
Track motor relief valve; replacing...1198
Track motor; disassembly_{54-51}...1200
Track motor; disassembly_{54-30}...1210
Track motor; assembly_{53-29}...1223
Track motor; assembly_{53-05}...1236
Track motor; troubleshooting...1250
Manual release of parking brake_{51-52}...1254
Manual release of parking brake_{51-32}...1257
Swing motor; specifications_{50-22}...1260
Swing motor; specifications_{50-04}...1261
Swing motor; description_{49-36}...1262
Swing motor; description_{49-15}...1264
Swing motor; maintenance standard_{48-32}...1279
Swing motor; maintenance standard_{48-12}...1289
Swing motor relief valve; replacing_{47-40}...1290
Swing motor relief valve; replacing_{47-20}...1292
Check the static brake torque...1294
Swing motor; disassembly_assembly...1296
Swing motor; disassembly...1326
Swing motor; assembly...1338
Hydraulic pump coupling; description_{40-57}...1353
Hydraulic pump coupling; description_{40-36}...1355
Pump gearbox coupling assembly; replacing_{40-07}...1357
Pump gearbox coupling assembly; replacing_{39-47}...1359
Tightening torque; specifications_{39-17}...1361
Tightening torque; specifications_{38-56}...1364
Center passage; specifications_{36-56}...1367
Center passage; specifications_{36-38}...1368
Center passage; description_{36-11}...1369
Center passage; description_{35-50}...1371
Center passage; maintenance standard...1374
Center passage; disassembly...1377
Center passage; assembly...1380
49 - MISCELLANEOUS...1386
Swing ring gear; specifications...1387
Swing ring gear; description...1388
7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT...1391
70 - GENERAL...1392
Undercarriage; tightening torque...1393
Frame and track unit; specifications...1395
Frame and track unit; description...1396
71 - FRAME...1397
Machine weight; specifications_{29-59}...1398
Machine weight; specifications_{29-39}...1400
Tightening torque; specifications...1402
Counterweight; tightening torques...1404
Counterweight; specifications...1406
Counterweight; removing...1407
Counterweight; installing...1410
Undercarriage; description...1413
77 - WHEELS; TRACKS; TYRE; HUB; DRUM...1415
Selection of track shoes...1417
Idler; description_{23-39}...1418
Idler; description_{23-19}...1419
Idler; measurement of wear_{22-49}...1420
Idler; measurement of wear_{22-29}...1423
Front idler; replacing one...1426
Tools & equipment...1429
Sprocket; measurement of wear...1434
Sprocket; replacing one...1437
Track chain; description...1439
Track link; dimension...1440
Track; adjusting track sag_{19-10}...1441
Track; adjusting track sag_{18-50}...1445
Track chain; measurement of wear...1447
Track shoe; replacing one...1452
Track links; replacing...1454
Track shoes...1458
Track chain assembly; removing...1460
Track chain assembly; installing...1463
Top roller; description...1467
Top roller; measurement of wear...1469
Top roller; replacing one...1471
Bottom roller; description...1475
Bottom roller; measurement of wear...1477
Bottom roller; replacing one...1480
Track guards...1483
Track guard; replacing one...1484
Spring package; assembly dimension...1487
Track tension cylinder; replacing...1489
Recoil spring cylinder seal kit; replacing...1493
Track recoil spring (tensioner) assembly; replacing...1496
8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE...1498
80 - GENERAL...1499
Cab; weight...1500
Cab; removing...1501
82 - ENGINE HOOD; MUDGUARD; FOOT STEP...1507
Engine hood; replacing...1508
84 - TRIM PART; OUTSIDE; GLASS; SEALING MOULDING...1511
Windows; general...1512
Windscreen; replacing...1513
Side window; replacing...1518
Rear window; replacing...1523
Door window; replacing...1528
85 - CAB INTERIOR; UPHOLSTERY...1531
Seat; replacing...1532
Driver's seat; description...1536
87 - AIR CONDITIONING UNIT...1539
HVAC system...1540
Air conditioning unit; specifications...1541
Air conditioning unit; description...1542
Air conditioning unit; refrigerant check and recharging...1545
Evaporator...1550
Performance test; AC unit...1552
Compressor...1558
Condenser...1563
Refrigerant hoses...1564
Air conditioning unit; maintenance...1566
Cooler and Heater assembly; removing...1569
Cooler and Heater assembly; installing...1575
Actuator; foot_face driver...1580
Fan motor; replacing...1582
Heater core; replacing...1586
Water valve; replacing...1591
Compressor; replacing incl draining and filling...1594
Receiver; replacing incl draining and filling...1599
Condenser; replacing incl draining and filling...1603
Evaporator; replacing incl draining and filling...1606
Expansion valve; replacing incl draining and filling...1612
Vent actuator; replacing...1615
Mode (foot) actuator; replacing...1617
Intake actuator; replacing...1619
9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPMENT; MISCELLANEOUS...1621
90 - GENERAL...1622
Hydraulic circuits; with option components - Image...1623
Hydraulic circuits; standard - Image...1628
Explanations to hydraulic diagram...1633
Hydraulic circuits; standard_{03-03}...1640
Hydraulic circuits; standard_{02-42}...1645
Hydraulic circuits; standard_{02-21}...1650
Hydraulic circuits; with option components_{01-51}...1653
Hydraulic circuits; with option components_{01-30}...1658
Hydraulic circuits; with option components_{01-09}...1663
Hydraulic system; position of main components...1666
Hydraulic system; cleanliness when handling hydraulic components...1669
Hydraulic diagram; schematic...1673
Description; general...1676
Hydraulic system; description...1677
Hydraulic oil; description...1678
Recommended hydraulic oil; specifications...1682
General notes when working on hydraulic system...1686
Pressure adjustment and leaks checking...1689
Hydraulic pressure; specifications...1691
Hydraulic system; repair of hydraulic components in workshop...1692
Hydraulic oil; storage and handling...1697
Hydraulic components; storing and transporting...1701
91 - WORKING HYDRAULIC; SERVO HYDRAULICS...1705
Hydraulic system; work instructions...1709
Hydraulic components; description_{55-46}...1714
Hydraulic components; description_{55-28}...1716
Hydraulic oil tank; specifications...1718
Hydraulic oil tank; description...1719
Hydraulic oil tank; vacuum-pumping; connecting and disconnecting pump...1722
Oil level gauge; replacing...1724
Hydraulic oil tank; replacing...1726
Oil cooler line bypass valve (check valve); replacing...1732
Pump suction hose and pipe; replacing...1735
Hydraulic oil cooling system; specifications_{50-20}...1738
Hydraulic oil cooling system; specifications_{50-02}...1739
Hydraulic oil cooling system; description...1740
Hydraulic oil cooler; replacing...1741
Main control valve; specifications...1742
Main control valve; description_{48-00}...1744
Main control valve; description_{47-24}...1760
Main spool; description...1776
General precautions...1778
Main spool; disassembly and assembly...1782
Main relief valve; description...1786
Hydraulic pressure; measuring and adjustment...1788
Main relief valve; disassembly and assembly...1790
Port relief valve; description...1794
Port relief valve pressure; measuring and adjusting...1797
Port relief valve; disassembly and assembly...1804
Pressure relief valve; troubleshooting...1806
Flow control valve; description...1807
Flow control valve; disassembly and assembly...1809
Pressure compensation valve; description...1811
Pressure compensation valve; disassembly and assembly...1813
Load sensing check valve; disassembly and assembly...1815
Regeneration valve; description...1817
Regeneration valve; disassembly and assembly...1819
Boom holding valve; description...1820
Boom holding valve; disassembly and assembly...1823
Slew flow control valve; description...1826
Slew flow control valve; disassembly and assembly...1827
Load check valve; disassembly and assembly...1828
Control valve; replacing...1829
Tightening torques ...1833
Line rupture valve (boom); specifications...1835
Line rupture valve (boom); description...1836
Boom cylinder; rupture valve; replacing...1842
Line rupture valve (boom); troubleshooting...1845
Hydraulic pump; specifications_{34-38}...1846
Hydraulic pump; specifications_{34-20}...1847
Pump; description_{33-11}...1848
Pump; description_{32-46}...1860
Hydraulic pump; maintenance standard; Specifications_{32-12}...1872
Hydraulic pump; maintenance standard; Specifications_{31-54}...1873
Pump; troubleshooting_{31-27}...1875
Pump; troubleshooting_{31-09}...1877
Pump; adjustment_{30-41}...1879
Pump; adjustment_{30-21}...1882
Pump; tools_{29-46}...1886
Pump; tools_{29-26}...1889
Pump; disassembly_{28-56}...1892
Pump; disassembly_{28-36}...1903
Pump; assembly_{28-06}...1914
Pump; assembly_{27-43}...1932
Pump; installation...1951
Shim adjustment method_{26-35}...1953
Shim adjustment method_{26-15}...1955
Hydraulic pump; flow control...1956
Hydraulic pump; replacing...1960
Servo pump; specifications-48...1964
Servo pump; specifications-31...1965
Servo pump; specifications...1966
Servo hydraulic pressure; adjustment...1967
Servo pump; replacing...1970
Pressure accumulator; specifications...1972
Pressure accumulator; description_{22-20}...1973
Pressure accumulator; description_{22-00}...1976
Accumulator; replacing...1979
Tightening Torques...1980
Remote control valve (Lever); specifications_{20-19}...1983
Remote control valve (Lever); specifications_{20-01}...1984
Remote control valve (Lever); description_{19-33}...1985
Remote control valve (Lever); description_{19-04}...1994
Remote control valve (Lever); maintenance standard; Specifications...2002
Remote control valve (lever); replacing_{18-10}...2004
Remote control valve (lever); replacing_{17-52}...2007
Remote control valve (Lever); repair procedures...2010
Remote control valve (Lever); disassembly...2017
Remote control valve (Lever); assembly...2026
Remote control valve (Lever); troubleshooting_{15-00}...2036
Remote control valve (Lever); troubleshooting_{14-43}...2037
Remote control valve (pedal); specifications...2039
Remote control valve (pedal); description...2040
Remote control valve (pedal); maintenance standard; Specifications...2046
Remote control valve (pedal); replacing...2048
Remote control valve (pedal); disassembling...2053
Remote control valve (pedal); assembling...2063
Remote control valve (pedal); troubleshooting...2073
Solenoid valve; specifications...2075
Solenoid valve; description_{09-55}...2076
Solenoid valve; description_{09-36}...2078
Solenoid valve; inspection...2080
Solenoid valve; troubleshooting...2081
Solenoid valve; disassembly and assembly...2083
Solenoid valve; replacing...2085
Proportional solenoid valve; specifications...2087
Proportional solenoid valve; description...2088
Stop valve...2090
92 - MECHANICAL EQUIPMENT_ATTACHMENT...2092
Tightening torques ...2093
Dozer blade; specifications...2097
Dozer blade; description...2098
Dozer blade cylinder; specifications...2099
Dozer blade cylinder; description...2100
Dozer blade cylinder; replacing...2102
Check valve; replacing...2108
97 - UNIT; DIGGING...2112
Tightening Torques ...2113
Function description...2118
Digging unit; maintenance...2119
Cylinder; description...2123
Cylinder; assembly...2125
Cylinder; disassembly...2139
Cylinder; troubleshooting...2145
Tightening torques...2149
Boom; specifications...2153
Boom; description...2154
Boom; replacing...2156
Boom cylinder; specifications...2165
Boom cylinder; description...2166
Boom cylinder; replacing...2168
Dipper arm; specifications...2173
Dipper arm; description...2174
Dipper arm; replacing...2176
Link; description...2181
Dipper arm connecting rod; replacing...2183
Connecting rod yoke; replacing...2189
Dipper arm cylinder; specifications...2193
Dipper arm cylinder; description...2194
Dipper arm cylinder; replacing...2196
Bucket cylinder; specifications...2202
Bucket cylinder; description...2203
Bucket cylinder; replacing...2205
Volvo EC80D Compact Excavators Service Repair Manual
