Volvo Constructions ECR88D Compact Excavators Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Volvo ECR88D Compact Excavators, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Volvo Constructions ECR88D 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 Constructions ECR88D Compact Excavators workshop service repair manual.PDF
PRODUCT DETAILS:
Total Pages: 2,288 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
TABLE OF CONTENTS
0 - Foreword.......2
0 - GENERAL.......3
00 - DESCRIPTION; COMPLETE MACHINE.......4
Machine view.......5
Product plates.......7
03 - SPECIFICATIONS.......9
Tightening torques.......10
Measurement conversion tables.......21
07 - STANDARD TIME.......30
Operation numbers for additional work.......31
09 - MISCELLANEOUS.......33
Service positions.......34
Welding on the machine.......36
Hydraulic cylinders; dieseling.......39
1 - STANDARD PARTS; SERVICE.......43
016 - LUBRICANT; FUEL; OTHER FLUID.......44
Engine oil.......45
Hydraulic oil.......47
Recommended lubricants.......52
Coolant with freezing and corrosion protection.......54
Grease.......58
Alternative fuels.......62
Change capacities.......65
017 - SERVICE.......66
Bearings.......70
Replacement parts.......74
Safety when servicing.......78
Service.......82
Service methods.......85
Pressure testing.......89
Hoses and tubes.......93
Cleaning prior to repair.......97
VCADS Pro; Operations-.......101
Arrival Inspection; according to Inspection Programme.......102
Delivery Inspection; according to Inspection Programme.......103
Maintenance of Stored Machines; according to Inspection Programme.......104
Maintenance service; first 250 hours.......105
Maintenance service; daily.......106
Maintenance service; every 50 hours.......107
Maintenance service; every 250 hours.......108
Maintenance service; every 500 hours.......110
Maintenance service; every 1000 hours.......112
Maintenance service; every 1500 hours.......114
Maintenance service; every 2000 hours.......116
Maintenance service; every 4000 hours.......119
Test-run and check.......122
MATRIS; reading; export reading.......123
VCADS Pro; logged errors; read off.......124
The machine; check for external damages; cracks and wear damages.......125
Washer fluid level; check.......128
Engine; oil level; check.......129
Coolant level; check.......131
Hydraulic oil level; check.......132
Fuel filters; replacing-.......134
Water separator; check_drain.......136
Water separator filter element; change.......138
Fuel hoses; checking-.......140
Fuel tank sediment; draining.......141
Hydraulic oil servo filter; change.......143
Air cleaner; primary filter replacing-.......144
Air cleaner; secondary filter replacing .......146
Air intake hose; checking.......149
Boost sensor; pressure detection hose; checking.......151
Battery condition; check.......153
Belt condition; checking.......155
Belt tension; checking.......156
Radiator outside_hydraulic oil cooler outside; cleaning.......158
Radiator hoses; checking-.......160
Water hoses; checking.......161
Lubricant hoses; checking.......162
Hydraulic oil suction strainer; clean.......163
Valves; adjusting-.......165
Injectors; checking.......173
Crankcase ventilation separator; checking.......181
Crankcase ventilation separator element; replacing.......183
Crankcase ventilation separator rubber hoses; checking.......185
EGR system; checking.......187
EGR cooler pressure; testing-.......188
EGR piping; checking.......193
EGR cooler hose; checking.......195
Turbocharger; checking.......197
Exhaust manifold; checking.......199
Coolant anti-freeze resistance; checking-.......200
Coolant; changing-.......204
DPF (Diesel particulate filter); checking and cleaning-.......207
DPF differential pressure pipes and hoses; checking.......212
Air conditioner main filter; cleaning.......214
Air conditioner main filter; replacing.......216
Lubrication every 10 hours; see lubrication chart.......218
Lubrication every 50 hours; see lubrication chart.......219
Swing ring gear bearing; lubricate.......220
Swing bath grease; lubricate.......222
Cab; door; covers; hinges; joints and locks; lubricate.......223
Track shoe bolts (optional equipment); check.......224
Track tension_condition; check.......226
Track gearbox oil level; check.......228
Track motor gearbox; changing oil.......229
Loose and loss of bolts; check.......231
Air compressor (optional equipment); air tank water; draining.......232
Air compressor (optional equipment); air filter; cleaning.......233
Air compressor (optional equipment); air filter; replacing.......234
Service history (included in the respective Operator's manual); fill in........235
Engine belt tension; checking.......236
Engine belt condition; checking.......238
Valves; adjusting .......239
Engine oil level; checking.......247
Engine oil and filter; changing.......249
Water separator; checking.......252
Fuel tank breather filter; replacing.......253
Fuel hoses; checking.......255
Air inlet hose; checking.......256
Engine air cleaner primary filter; replacing.......257
Engine air cleaner secondary filter; replacing.......259
Coolant level; checking.......261
Radiator hoses; checking.......262
Radiator and hydraulic oil cooler; cleaning.......263
Hydraulic oil level; checking.......265
Hydraulic oil; changing.......267
Hydraulic oil suction strainer; cleaning.......269
Hydraulic oil servo filter; replacing.......271
Hydraulic oil return filter; replacing.......272
Measuring condition.......275
Creeping of hydraulic cylinder.......276
Swing speed.......277
Coasting left and right swing.......278
Measuring of swing bearing clearance.......280
Travel Speed-.......283
Track running speed.......285
Straight traveling performance.......286
019 - GENERAL.......288
General precautions.......289
Safety concerns everybody!.......293
CE-marking; EMC-directive.......294
Cautions during operation.......298
Safety when handling the machine.......305
Preparations for work.......312
Safety rules when servicing.......316
Move and operate machine safely.......321
Fire prevention measures.......324
Health hazards with paint; plastics and rubber.......327
Checklist after a fire or heat exposure.......329
Safety when using lifting equipment.......330
Safety when handling oils and fuel.......332
Safety when working with batteries.......333
Starting with booster batteries.......336
Safety when working with air conditioning refrigerant.......337
Safety when working with hydraulic systems.......340
Environmental handling for the future.......341
Environmentally safe handling.......342
Environmentally hazardous fluids.......344
Working in environmentally contaminated areas.......345
Decontamination.......346
Waste handling.......347
2 - ENGINE WITH MOUNTING AND EQUIPMENT.......348
27 - ENGINE CONTROL.......349
Engine control; specifications.......350
29 - MISCELLANEOUS.......352
Exhaust Gas Recirculation (EGR); description.......353
EGR cooler; replacing.......357
EGR cooler pressure; testing.......360
EGR valve; replacing.......365
20 - GENERAL.......368
Tech Tool; operations.......369
Component locations.......371
E-ECU MID 128 pre-programmed; replacing.......374
E-ECU MID 128 non-programmed; replacing.......376
Engine belts; replacing.......378
21 - ENGINE.......381
Engine; tightening torques.......382
Valve system specifications.......384
Valves; adjusting.......386
Crankshaft front oil seal; replacing.......394
Crankshaft rear oil seal; replacing.......397
22 - LUBRICATING SYSTEM.......400
Lubricating system; description.......401
Lubrication system; specifications.......405
Lubrication system; tightening torques.......406
Lubrication system; component locations.......407
Lubrication oil pressure; checking with pressure gauge.......409
Oil cooler; replacing.......412
23 - FUEL SYSTEM.......415
Fuel system; description.......416
Fuel system; specifications.......422
Fuel system; tightening torques.......423
Fuel system; component location.......424
Fuel filters; replacing.......426
Fuel tank; specifications.......428
Fuel filler pump; specifications.......429
Injectors; replacing.......430
Overflow pipe; inspecting.......438
25 - INLET & EXHAUST SYSTEM.......441
Inlet and exhaust system; component location.......442
Inlet and exhaust system; tightening torques.......444
Exhaust Aftertreatment System; description.......445
Exhaust Aftertreatment System; component location.......449
Regeneration process; description.......451
DPF (Diesel particulate filter); checking and cleaning.......453
Inlet throttle; replacing.......458
DOC (Diesel oxidation catalyst); replacing.......462
Turbocharger; inspecting.......467
Turbocharger; replacing.......469
Wastegate; checking.......473
Preheating; description.......475
Air cleaner; primary filter replacing.......477
Air cleaner; secondary filter replacing.......479
26 - COOLING SYSTEM.......482
Cooling system; description.......483
Cooling system; component location.......487
Cooling system; tightening torques.......489
Cooling system; specification.......490
Coolant anti-freeze resistance; checking.......491
Coolant; changing.......496
Radiator; replacing.......499
Expansion tank; replacing.......510
Coolant pump; replacing.......512
Thermostat; replacing.......516
Thermostat; checking.......519
3 - ELECTRICAL; WARNING; INFORMATION; INSTRUMENTS.......523
30 - GENERAL.......524
Electrical system; special instructions for servicing; general.......527
Electrical system; special instructions for servicing; electronic components.......531
Electrical system; special instructions for servicing; electrical components; batteries.......534
Electrical system; special instructions for servicing; electrical components; alternator and charging regulator.......538
Electrical system; special instructions for servicing; action when working on machine.......541
Electrical system; description.......544
Electronic control system; description.......546
Communication with data buses.......548
Data buses; function.......549
VCADS Pro; Operations.......554
Electrical system; specifications.......555
X1 control; description.......556
X3 control; description.......557
Hydraulic power control.......559
Fan clutch control; description.......561
Fan speed.......563
Travel Speed.......564
Overload warning.......565
Dozer blade float; description.......567
Auto Idle.......568
Anti theft device.......569
Attachment quick coupler.......571
Intermittent wiper and washer.......572
Software parameters; description.......574
Automatic engine shut-down.......578
Exhaust aftertreatment system; regeneration.......580
General fault diagnosis information.......586
Troubleshooting strategy.......588
Collection of basic data.......591
Error codes; build-up.......595
Conditions when checking.......600
Lead and connector checks.......605
Troubleshooting tools.......611
Special tools for troubleshooting.......613
VCADS Pro service tool.......614
BA3101; description and measuring.......618
FX1052; description and measuring.......620
FX1054; description and measuring.......623
MA2301-MA2304; description and measuring.......626
MA2310; description and measuring.......628
MA4212; description and measuring.......630
MA9109; description and measuring.......632
MA9117; description and measuring.......634
MA9172; description and measuring.......636
MA9186; description and measuring.......638
MA9220; description and measuring.......640
Power supply E-ECU; description and measuring.......642
Power supply I-ECU; description and measuring.......644
Power supply V-ECU; description and measuring.......646
Power supply W-ECU; description and measuring.......648
PWM2602; description and measuring.......650
PWM9101; description and measuring.......652
PWM9105; description and measuring.......654
PWM9106; description and measuring.......656
PWM9123; description and measuring.......658
PWM9124; description and measuring.......660
RE2501; description and measuring.......662
RE2703; description and measuring.......664
RE3101; description and measuring.......666
RE3301; description and measuring.......668
RE3601; description and measuring.......670
RE3602; description and measuring.......672
SA4206; description and measuring.......674
SAE J1708_1587 Information link; description and measuring.......676
SAE J1939_CAN control link; description and measuring.......678
SAE J1939_CAN2 Control link; description and measuring.......680
SE2206; description and measuring.......682
SE2303; description and measuring.......684
SE2306; description and measuring.......687
SE2309; description and measuring.......689
SE2502; description and measuring.......691
SE2507; description and measuring.......693
SE2508; description and measuring.......695
SE2519; description and measuring.......697
SE2521; description and measuring.......699
SE2522; description and measuring.......701
SE2604; description and measuring.......703
SE2606; description and measuring.......705
SE2709; description and measuring.......707
SE2710; description and measuring.......709
SE9401; description and measuring.......711
SW2701; description and measuring.......713
SW9161; description and measuring.......715
SW9162; description and measuring.......717
VCADS Pro socket; measuring.......719
VCADS Pro; connecting problems.......721
31 - BATTERY.......723
Battery; storage.......724
Battery; description.......727
Battery; specifications.......729
Battery; charging.......730
Batteries; replacing.......731
32 - ALTERNATOR; CHARGE REGULATOR.......734
Alternator; specifications.......735
Alternator; description.......736
Alternator; replacing incl function checking.......737
33 - STARTING SYSTEM.......740
Starting operation.......741
Starter switch (engine start switch); replacing.......743
Starter motor; description.......746
Starter motor; specifications.......747
Starter relay; replacing.......748
Starter motor; replacing.......750
35 - LIGHTING.......752
Work lights and extra lights; description.......753
Work lights and extra lights; specifications.......756
36 - OTHER ELECTRICAL EQUIPMENT.......757
Electric horn; description.......758
Electric horn; specifications.......759
Horn; replacing.......760
Rotating beacon; specifications.......762
Travel alarm; description.......763
Travel alarm; specifications.......764
Travel alarm; replacing.......765
Windscreen flusher pump; replacing.......767
Wiper motor; description.......769
Wiper motor; specifications.......770
Connectors; overview.......771
Control lockout lever switch; description.......777
Control lockout lever switch; specifications.......778
Start switch; description.......779
Start switch; specifications.......781
Engine control unit E-ECU; function description.......782
Instrument control unit I-ECU; functional description.......783
Vehicle control unit V-ECU; functional description.......785
I-ECU; replacing.......787
V-ECU MID 187 non-programmed; replacing.......789
V-ECU MID 187 pre-programmed; replacing.......791
37 - CABLE; FUSE; RELAY.......793
Electrical symbols and designations.......795
Explanation of wiring diagrams.......800
Component designations.......804
Component list Alternator; batteries; capacitors; electronic units; voltage outlet.......807
Component list; lights.......808
Component list; Miscellaneous.......809
Component list; motors.......810
Component list; sensors.......811
Component list; Solenoid valves.......812
Component list; Switches.......813
E-ECU; I_O list.......814
Wiring diagram.......817
Wiring diagram; electrical distribution box.......819
Wiring diagram SCH08_{04-11}.......821
Wiring diagram SCH08_{03-50}.......824
Wiring diagram SCH10_{03-19}.......827
Wiring diagram SCH10_{02-58}.......832
Wiring diagram SCH10_{02-36}.......836
Wiring diagram SCH12_{02-05}.......840
Wiring diagram SCH12_{01-44}.......844
Wiring diagram SCH13_{01-13}.......848
Wiring diagram SCH13_{00-52}.......851
Wiring diagram SCH15_{00-22}.......854
Wiring diagram SCH15_{00-00}.......859
Wiring diagram SCH15_{59-39}.......864
Wiring diagram SCH15_{59-18}.......869
Wiring diagram SCH18.......873
Wiring diagram SCH22.......876
Wiring diagram SCH24.......879
Wiring diagram SCH25_{57-25}.......881
Wiring diagram SCH25_{57-04}.......886
Wiring diagram SCH30_{56-28}.......889
Wiring diagram SCH30_{56-07}.......892
Wiring diagram SCH30_{55-46}.......895
Wire harness layout_{55-16}.......898
Wire harness layout_{54-56}.......901
Engine wire harness; replacing.......904
Battery disconnect switch; description.......910
Battery disconnect switch; specifications.......911
Battery disconnector; replacing.......912
Electrical distribution box_{49-46}.......915
Electrical distribution box_{49-26}.......916
Electrical distribution box_{49-05}.......917
Fuse; description.......918
Slow blow fuse; description.......921
Relay; description.......922
Relay; specifications.......924
38 - INSTRUMENT; SENSOR; WARNING & INFORMATION SYSTEM.......925
Instruments and controls; overview.......926
Hour counter; specifications.......927
Fuel level sensor; description.......928
Fuel level sensor; specifications.......929
Fuel level sender; replacing.......931
Engine temperature sensor; replacing.......933
Engine oil pressure sensor; replacing.......935
Engine rotation speed sensor; replacing.......937
Engine rotation speed sensor (camshaft); replacing.......939
Menu tree.......941
Keypad; description.......944
Service mode.......947
Engine system.......950
Hydraulic system.......952
Electrical system.......954
Key pad; replacing.......957
39 - MISCELLANEOUS.......959
Radio with CD and MP3 player; description.......960
Radio with CD and MP3 player; specifications.......962
Radio; replacing.......964
Antenna; replacing.......966
Speaker; replacing.......969
CareTrack W-ECU; description.......971
Wireless control unit W-ECU; specification.......975
W-ECU; MID142; changing non-programmed ECU.......977
W-ECU; MID142; changing pre-programmed ECU.......980
CareTrack battery; replacing.......982
CareTrack antenna; replacing.......985
4 - POWER TRANSMISSION.......990
40 - GENERAL.......991
Power transmission; description.......992
Function description-3016.......993
43 - GEARBOX.......994
Function description.......995
Track gearbox; specifications.......996
Track gearbox; description.......997
Track gearbox; maintenance standard.......1001
Track unit; replacing_{27-55}.......1004
Track unit; replacing_{27-34}.......1008
Track gearbox cover; replacing.......1012
Track gearbox; disassembly.......1015
Track gearbox; assembly.......1020
Track gearbox; troubleshooting.......1025
Swing gearbox; specifications.......1027
Swing gearbox; description.......1028
Swing unit; replacing_{24-05}.......1029
Swing unit; replacing_{23-44}.......1033
44 - HYDROSTATIC DRIVE.......1040
Track motor; specifications_{21-47}.......1042
Track motor; specifications_{21-29}.......1043
Track motor; description_{20-52}.......1044
Track motor; description_{20-32}.......1051
Track motor; description_{20-12}.......1053
Track motor; description_{19-51}.......1055
Track motor; maintenance standard_{19-14}.......1069
Track motor; maintenance standard_{18-53}.......1074
Track motor; maintenance standard_{18-36}.......1077
Track motor relief valve; replacing.......1079
Track motor; disassembly_{17-40}.......1081
Track motor; disassembly_{17-19}.......1091
Track motor; assembly_{16-23}.......1104
Track motor; assembly_{16-02}.......1117
Track motor; troubleshooting.......1131
Manual release of parking brake.......1135
Swing motor; specifications_{13-43}.......1138
Swing motor; specifications_{13-26}.......1139
Swing motor; description_{12-58}.......1140
Swing motor; description_{12-38}.......1142
Swing motor; maintenance standard_{11-51}.......1156
Swing motor; maintenance standard_{11-31}.......1166
Swing motor relief valve; replacing_{11-01}.......1169
Swing motor relief valve; replacing_{10-40}.......1171
Check the static brake torque.......1173
Swing motor; disassembly_assembly.......1175
Swing motor; disassembly.......1205
Swing motor; assembly.......1217
Slew motor; troubleshooting.......1232
Hydraulic pump coupling; description.......1234
Pump gearbox coupling assembly; replacing.......1236
Center passage; replacing.......1239
Tightening torque; specifications-.......1245
Center passage; specifications.......1248
Center passage; description_{00-45}.......1249
Center passage; description_{00-25}.......1252
Center passage; maintenance standard_{59-50}.......1255
Center passage; maintenance standard_{59-30}.......1258
Center passage; disassembly.......1260
Center passage; assembly.......1263
Center passage; troubleshooting.......1269
49 - MISCELLANEOUS.......1270
Swing ring gear; specifications.......1271
Swing ring gear; description_{57-17}.......1272
Swing ring gear; description_{56-57}.......1274
Swing ring gear; description.......1277
7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT.......1280
70 - GENERAL.......1281
Undercarriage; tightening torque.......1282
Frame and track unit; specifications.......1284
Frame and track unit; description.......1285
71 - FRAME.......1286
Machine weight; specifications.......1287
Tightening torque; specifications.......1289
Counterweight; tightening torques.......1291
Counterweight; specifications_{51-50}.......1292
Counterweight; specifications_{51-32}.......1293
Counterweight; specifications_{51-15}.......1294
Counterweight; description.......1295
Counterweight; replacing.......1297
Undercarriage; description.......1301
77 - WHEELS; TRACKS; TYRE; HUB; DRUM.......1303
Selection of track shoes.......1305
Idler; description.......1307
Idler; measurement of wear.......1308
Front idler; replacing one.......1311
Tools & equipment.......1314
Sprocket; measurement of wear.......1319
Sprocket; replacing one.......1322
Track chain; description.......1324
Track link; dimension.......1325
Track; adjusting track sag_{44-17}.......1326
Track; adjusting track sag_{43-57}.......1330
Track chain; measurement of wear.......1332
Track shoe; replacing one.......1337
Track links; replacing.......1339
Track shoes_{42-01}.......1343
Track shoes_{41-41}.......1345
Track chain assembly; removing.......1347
Track chain assembly; installing.......1350
Rubber shoe_pad usage.......1354
Track; adjusting track sag.......1356
Rubber tracks.......1357
Rubber pads_{39-23}.......1359
Rubber tracks_{39-06}.......1361
Rubber track; removing.......1363
Rubber track; installing.......1366
Top roller; description.......1368
Top roller; measurement of wear.......1370
Top roller; replacing one_{36-55}.......1372
Top roller; replacing one_{36-35}.......1376
Bottom roller; description_{35-52}.......1380
Bottom roller; description_{35-34}.......1382
Bottom roller; measurement of wear.......1384
Bottom roller; replacing one_{34-38}.......1387
Bottom roller; replacing one_{34-18}.......1390
Bottom roller; replacing seal.......1393
Track guards.......1398
Track guard; replacing one.......1399
Spring package; assembly dimension_{32-22}.......1402
Spring package; assembly dimension_{32-02}.......1404
Track tension cylinder; replacing.......1406
Recoil spring cylinder seal kit; replacing.......1410
Track recoil spring (tensioner) assembly; replacing.......1413
8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE.......1415
81 - CAB; NAKED; CANOPY.......1416
Cab; removing.......1417
Cab; installing.......1422
82 - ENGINE HOOD; MUDGUARD; FOOT STEP.......1428
Engine hood; replacing.......1429
84 - TRIM PART; OUTSIDE; GLASS; SEALING MOULDING.......1432
Windows; general.......1433
85 - CAB INTERIOR; UPHOLSTERY.......1434
Seat; replacing_{13-35}.......1435
Seat; replacing_{13-12}.......1439
Driver's seat; description.......1444
86 - PROTECTIVE EQUIPMENT.......1447
Falling object guard (FOG); removing.......1448
Falling object guard (FOG); installing.......1451
87 - AIR CONDITIONING UNIT.......1454
HVAC system.......1455
Air conditioning unit; specifications.......1456
Air conditioning unit; description.......1457
Air conditioning unit; refrigerant check and recharging.......1460
Expansion valve.......1465
Evaporator.......1469
Performance test; AC unit.......1471
Compressor.......1477
Condenser.......1482
Coil resistor.......1483
Air conditioning unit; maintenance.......1484
Cooler and Heater assembly; removing.......1487
Cooler and Heater assembly; installing.......1493
Fan motor; replacing.......1499
Heater core; replacing.......1502
Water valve; replacing.......1506
Compressor; replacing incl draining and filling.......1509
Receiver; replacing incl draining and filling.......1514
Condenser; replacing incl draining and filling.......1519
Evaporator; replacing incl draining and filling.......1524
Expansion valve; replacing incl draining and filling.......1530
Mode (foot) actuator; replacing.......1533
Intake actuator; replacing.......1535
Defroster actuator; replacing.......1537
9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPMENT; MISCELLANEOUS.......1539
90 - GENERAL.......1540
Hydraulic circuits; with option components D - Image.......1541
Hydraulic circuits; with option components C - Image.......1542
Hydraulic circuits; with option components B - Image.......1543
Hydraulic circuits; with option components A - Image.......1544
Hydraulic circuits; standard - Image.......1545
Explanations to hydraulic diagram.......1546
Hydraulic circuits; standard.......1557
Hydraulic circuits; with option components_{51-46}.......1560
Hydraulic circuits; with option components_{51-25}.......1563
Hydraulic circuits; with option components_{51-04}.......1566
Hydraulic circuits; with option components_{50-44}.......1569
Hydraulic system; position of main components_{50-14}.......1572
Hydraulic system; position of main components_{49-53}.......1575
Hydraulic diagram; schematic.......1577
Line rupture valve (boom_arm); hydraulic circuit.......1579
Description; general.......1581
Hydraulic system; description.......1582
Hydraulic oil; description.......1583
Recommended hydraulic oil; specifications.......1587
General notes when working on hydraulic system.......1588
Pressure adjustment and leaks checking.......1591
Hydraulic pressure; specifications.......1593
Hydraulic system; repair of hydraulic components in workshop.......1594
Hydraulic oil; storage and handling.......1599
Hydraulic components; storing and transporting.......1603
91 - WORKING HYDRAULIC; SERVO HYDRAULICS.......1607
Hydraulic system; work instructions.......1612
Hydraulic components; description.......1617
Hydraulic oil tank; specifications.......1619
Hydraulic oil tank; description.......1620
Hydraulic oil tank; vacuum-pumping; connecting and disconnecting pump.......1622
Oil level gauge; replacing.......1624
Servo hydraulic block_{42-14}.......1626
Servo hydraulic block_{41-53}.......1627
Servo hydraulic block_{41-27}.......1628
Servo hydraulic block_{41-07}.......1629
Check valve; description.......1630
Oil cooler line bypass valve (check valve); replacing.......1632
Hydraulic oil cooling system; specifications_{38-46}.......1636
Hydraulic oil cooling system; specifications_{38-28}.......1637
Hydraulic oil cooling system; description_{37-52}.......1638
Hydraulic oil cooling system; description_{37-31}.......1640
Hydraulic oil cooler; replacing.......1642
Main control valve; specifications_{35-14}.......1643
Main control valve; specifications_{34-56}.......1645
Main control valve; description_{34-27}.......1647
Main control valve; description_{34-03}.......1652
Main control valve; operation.......1664
Control valve; troubleshooting.......1675
Disassembly and assembly.......1677
Main control valve; disassembly.......1679
Main control valve; assembly.......1687
Main relief valve; description.......1693
Main relief valve; adjusting_{30-04}.......1695
Main relief valve; adjusting_{29-43}.......1698
Main relief valve; disassembly.......1701
Main relief valve; assembly.......1703
Main pressure relief valve; replacing_{28-26}.......1704
Main pressure relief valve; replacing_{28-06}.......1706
Port relief valve; description.......1708
Port relief valve pressure; checking and adjusting_{27-06}.......1711
Port relief valve pressure; checking and adjusting_{26-45}.......1715
Port relief valve; disassembly.......1719
Port relief valve; assembly.......1721
2 stage port relief valve; description.......1722
2 stage port relief valve; disassembly and assembly.......1725
2 stage port relief valve; adjustment.......1728
Control valve; replacing_{24-19}.......1729
Control valve; replacing_{23-59}.......1738
Tightening torques-2321.......1747
Tightening torques-.......1750
Line rupture valve (boom_arm); specifications.......1753
Line rupture valve (boom_arm); description.......1755
Line rupture valve relief pressure; adjustment.......1762
Boom cylinder; rupture valve; replacing.......1763
Line rupture valve (boom); troubleshooting.......1766
Dipper arm cylinder; rupture valve; replacing.......1768
Line rupture valve (arm); troubleshooting.......1771
Hydraulic pump; specifications_{18-26}.......1773
Hydraulic pump; specifications_{18-08}.......1774
Pump; description_{17-40}.......1775
Pump; description_{17-15}.......1783
Hydraulic pump; maintenance standard; Specifications.......1796
Pump; troubleshooting.......1798
Pump; disassembly_{16-09}.......1800
Pump; disassembly_{15-40}.......1818
Pump; assembly.......1829
Proportional solenoid valve; measuring and adjustment_{14-24}.......1842
Proportional solenoid valve; measuring and adjustment_{14-04}.......1845
Hydraulic pump (removed); changing shaft seal_{13-29}.......1847
Hydraulic pump (removed); changing shaft seal_{13-09}.......1848
Hydraulic pump; replacing_{12-39}.......1850
Hydraulic pump; replacing_{12-19}.......1858
Proportional solenoid valve (power shift); replacing_{11-40}.......1864
Proportional solenoid valve (power shift); replacing_{11-22}.......1866
Servo pump; specifications-1049.......1868
Servo pump; specifications-1032.......1869
Servo pump; specifications.......1870
Servo pressure; checking and adjusting.......1871
Servo pump; replacing_{09-34}.......1874
Servo pump; replacing_{09-14}.......1877
Single stage gear pump; replacing.......1879
Pressure accumulator; specifications-0819.......1882
Pressure accumulator; specifications.......1883
Pressure accumulator; description_{07-30}.......1884
Pressure accumulator; description_{07-10}.......1887
Accumulator; replacing.......1890
Tightening torques_{06-14}.......1892
Tightening torques_{05-54}.......1895
Remote control valve (Lever); specifications_{04-38}.......1898
Remote control valve (Lever); specifications_{04-20}.......1900
Remote control valve (Lever); description_{03-52}.......1901
Remote control valve (Lever); description_{03-20}.......1911
Remote control valve (Lever); maintenance standard; Specifications_{02-43}.......1919
Remote control valve (Lever); maintenance standard; Specifications_{02-24}.......1921
Remote control valve (lever); replacing_{01-54}.......1923
Remote control valve (lever); replacing_{01-28}.......1934
Remote control valve (Lever); repair procedures.......1937
Remote control valve (Lever); disassembly.......1944
Remote control valve (Lever); assembly.......1951
Remote control valve (Lever); troubleshooting_{59-06}.......1958
Remote control valve (Lever); troubleshooting_{58-48}.......1959
Remote control valve (pedal); specifications_{58-16}.......1961
Remote control valve (pedal); specifications_{57-57}.......1962
Remote control valve (pedal); description_{57-30}.......1963
Remote control valve (pedal); description_{57-05}.......1969
Remote control valve (pedal); maintenance standard; Specifications_{56-35}.......1975
Remote control valve (pedal); maintenance standard; Specifications_{56-15}.......1977
Remote control valve (pedal); replacing.......1979
Remote control valve (pedal); disassembling_{55-13}.......1985
Remote control valve (pedal); disassembling_{54-35}.......1995
Remote control valve (pedal); assembling_{54-05}.......2004
Remote control valve (pedal); assembling_{53-20}.......2014
Remote control valve (pedal); troubleshooting.......2023
Solenoid valve; specifications_{52-10}.......2025
Solenoid valve; specifications_{51-52}.......2026
Solenoid valve; description_{50-43}.......2027
Solenoid valve; description_{50-23}.......2029
Solenoid valve; inspection.......2031
Solenoid valve; troubleshooting.......2032
Solenoid valve; replacing.......2034
X1 Line; description_{48-37}.......2036
X1 Line; description_{48-17}.......2040
Solenoid valve; specifications.......2044
Solenoid valve; description.......2045
2-pump flow selector valve.......2047
Proportional solenoid valve; specifications.......2049
Proportional solenoid valve; description.......2050
Stop valve_{44-19}.......2051
Stop valve_{43-59}.......2053
Tightening torques .......2054
Adjustable boom; specifications.......2056
Adjustable boom (1st boom); description_{42-17}.......2058
Adjustable boom (1st boom); description_{41-56}.......2060
Adjustable boom (2nd boom); description_{41-26}.......2062
Adjustable boom (2nd boom); description_{41-06}.......2064
Adjustable boom cylinder; specifications.......2066
Adjustable boom cylinder; description.......2067
Remote control valve (pedal); specifications.......2069
Control pattern selector valve; description.......2071
Control pattern selector valve; mode setting method.......2076
Solenoid valve for rotator.......2078
Rotator pump; specifications.......2079
Rotator pump; description.......2081
Rotator (X3 Line option); description_{37-23}.......2085
Rotator (X3 Line option); description_{37-03}.......2088
Control pattern selector valve; ports.......2092
Overload warning pressure switch; specifications.......2094
92 - MECHANICAL EQUIPMENT_ATTACHMENT.......2095
Hydraulic quickfit; description_{35-28}.......2096
Attachment quick coupler; description_{35-07}.......2098
Hydraulic quickfit; description_{34-42}.......2101
Attachment quick coupler; description_{34-22}.......2103
Attachment quick coupler; operation.......2106
Attachment quick coupler; replacing_{33-20}.......2113
Attachment quick coupler; replacing_{33-00}.......2118
Attachment quick coupler solenoid valve; specification.......2124
Attachment quick coupler solenoid valve; description.......2125
Attachment quick coupler solenoid valve; replacing.......2127
Tightening torques-.......2130
Dozer blade; specifications_{30-30}.......2132
Dozer blade; specifications_{30-10}.......2133
Dozer blade; description.......2134
Dozer blade cylinder; specifications.......2136
Dozer blade cylinder; description.......2137
Dozer blade cylinder; replacing.......2139
Check valve; specifications_{27-52}.......2145
Check valve; specifications_{27-32}.......2146
Check valve; specifications_{27-12}.......2147
Check valve; replacing.......2148
97 - UNIT; DIGGING.......2152
Tightening torques-.......2154
Function description.......2160
Digging unit; description.......2161
Bushing general; replacing.......2165
Digging unit; maintenance standard; specifications.......2170
Cylinder; description.......2174
Cylinder; assembly.......2176
Cylinder; disassembly.......2190
Cylinder; disassembly and assembly.......2197
Cylinder; troubleshooting.......2208
Boom slew cylinder; specifications.......2210
Boom slew cylinder; description.......2211
Boom swing cylinder; replacing.......2213
Tightening torques.......2220
Boom; specifications_{18-45}.......2224
Boom; specifications_{18-24}.......2225
Boom; description.......2226
Boom; replacing.......2229
Boom cylinder; specifications.......2236
Boom cylinder; description.......2237
Boom cylinder; replacing.......2239
Dipper arm; specifications_{15-23}.......2246
Dipper arm; specifications_{15-03}.......2247
Dipper arm; description.......2248
Dipper arm; replacing.......2250
Link; description.......2255
Dipper arm connecting rod; replacing.......2257
Connecting rod yoke; replacing.......2262
Dipper arm cylinder; specifications.......2267
Dipper arm cylinder; description.......2268
Dipper arm cylinder; replacing.......2270
Bucket cylinder; specifications.......2276
Bucket cylinder; description.......2277
Bucket cylinder; replacing.......2279
99 - MISCELLANEOUS.......2285
Compressor; specifications.......2286
Compressor; description.......2287
Volvo Constructions ECR88D Compact Excavators Repair Service Manual
