Volvo EC750E L Excavators Repair Service Manual
Complete service repair manual with Electrical Wiring Diagrams for Volvo EC750E L Excavators, with all the technical information to maintain, diagnose, repair, and rebuild like professional mechanics.
Volvo Constructions EC750E L 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 EC750E L Excavators Service Repair Manual.pdf
PRODUCT DETAILS:
Total Pages: 3,539 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
Complete machine; assembly instruction...5
03 - SPECIFICATIONS...46
Tightening torques...47
Measurement conversion tables...58
07 - STANDARD TIME...67
Operation numbers for additional work...68
08 - TOOL...70
E-tools; NET 8940-00330 Swing motor guide pin...71
NET 8940-00510 Travel motor guide pin...73
E-2016...74
88830540 User Instruction...76
09 - MISCELLANEOUS...79
Service positions...80
Welding on the machine...82
Hydraulic cylinders; dieseling...85
1 - STANDARD PARTS; SERVICE...89
16 - LUBRICANT; FUEL; OTHER FLUID...90
AdBlue®_DEF...91
Engine oil...97
Fuel...99
Hydraulic oil...102
Lubricants; service capacities and intervals...107
Recommended lubricants...109
Coolant_{14-01}...113
Coolant_{13-43}...118
Coolant with freezing and corrosion protection...122
Grease...126
Alternative fuels...130
Change capacities...133
Air cleaner; description...134
17 - SERVICE...136
Bearings...139
Replacement parts...143
Safety when servicing...147
Service...151
Service methods...154
Pressure testing...158
Hoses and tubes...162
Cleaning prior to repair...166
Tech Tool; operations...170
Arrival Inspection; according to Inspection Programme...172
Delivery Inspection; according to Inspection Programme...177
Maintenance of Stored Machines; according to Inspection Programme...181
Maintenance service; first 500 hours...185
Maintenance service; every 10 hours...186
Maintenance service; every 50 hours...187
Maintenance service; every 250 hours...188
Maintenance service; every 500 hours...190
Maintenance service; every 1000 hours...192
Maintenance service; every 2000 hours...194
Maintenance service; every 4000 hours...196
Maintenance service; every 4500 hours...198
Maintenance service; every 6000 hours...199
Service position...200
Lubrication; every 50 hours...202
Test running and checking...203
Engine belt condition; checking...205
Valves; adjusting ...206
Engine oil and filter; changing...211
Fuel filter; replacing...214
Water separator filter; replacing...216
Fuel tank breather filter; replacing...218
Air drier cartridge; replacing...220
Diesel particulate filter; checking and cleaning...223
AdBlue®_DEF tank breather filter; replacing...228
Engine air cleaner primary filter; replacing...229
Engine air cleaner secondary filter; replacing...232
Oil-bath air cleaner reservoir oil; checking...235
Oil-bath air cleaner reservoir oil; changing...237
Oil-bath air cleaner reservoir filter insert; cleaning...238
Coolant; changing...239
Coolant freezing point; checking...241
Radiator and hydraulic oil cooler; cleaning...244
Venturi tube; checking...246
MATRIS and Tech Tool; reading...250
Software update; checking...253
Battery; checking...257
CareTrack backup battery; replacing_{53-10}...259
CareTrack backup battery; replacing_{52-50}...262
Track gearbox oil level; checking...267
Track gearbox oil; changing...268
Swing gearbox oil level; checking...270
Swing gearbox oil; changing...272
Swing ring gear bearing; lubricating...274
Swing bath grease; checking...275
Track shoe bolts; checking...276
Track tension and condition; checking...278
Cab door; covers; hinges; joints and locks; lubricating...280
Air conditioner main filter; cleaning...282
Air conditioner main filter; replacing...284
Cab prefilter; cleaning...286
Cab prefilter; replacing...288
Hydraulic oil level; checking...290
Hydraulic oil; changing...292
Hydraulic oil suction strainer; cleaning...295
Hydraulic oil drain filter; replacing...297
Hydraulic oil servo filter; replacing...298
Hydraulic oil return filter; replacing...299
Hydraulic return filter on X1 option circuit; replacing...302
Hydraulic oil tank breather filter; replacing...304
Measuring condition...306
Cylinder speed...309
Creeping of hydraulic cylinder...311
Swing speed...313
Coasting left and right swing...314
Measuring of swing bearing clearance...316
Travel Speed...319
Track running speed...321
Straight traveling performance...323
19 - GENERAL...325
Safety concerns everybody!...326
CE-marking; EMC-directive...330
Cautions during operation...334
Safety when handling the machine...341
Safety rules when servicing...347
Move and operate machine safely...352
Fire prevention measures...355
Health hazards with paint; plastics and rubber...361
Checklist after a fire or heat exposure...366
Safety when using lifting equipment...370
Safety when handling oils and fuel...374
Safety when working with batteries...378
Starting with booster batteries...383
Safety when working with air conditioning refrigerant...387
Safety when working with hydraulic systems...392
Environmental handling for the future...396
Environmentally safe handling...400
Environmentally hazardous fluids...404
Working in environmentally contaminated areas...408
Decontamination...412
Waste handling...416
2 - ENGINE WITH MOUNTING AND EQUIPMENT...420
20 - GENERAL...421
Engine; description_{27-09}...422
Engine; description_{26-49}...429
Component locations...435
Tech Tool; operations_{25-42}...437
Tech Tool; operations_{25-24}...439
Engine control module (ECM); replacing pre-programmed...441
Engine control module (ECM); replacing non-programmed...443
Engine; reference values...447
Engine belts; replacing...450
21 - ENGINE...452
Engine; specifications_{22-32}...453
Engine; specifications_{22-15}...454
Engine rotation speed sensor (crank shaft); replacing...458
Engine rotation speed sensor (camshaft); replacing...461
Engine; removing...464
Engine; installing...475
Engine; tightening torques...484
Cylinder compression; testing...498
Crankcase ventilation; description-1822...511
Crankcase ventilation; description...515
Crankcase ventilation separator; replacing...521
Rocker arms; replacing...523
Valves; adjusting...526
Valve cover; removing...534
Valve cover; installing_{15-15}...537
Valve cover; installing_{14-57}...539
Camshaft setting; checking...544
Camshaft; replacing...548
Oil level sensor; replacing...559
22 - LUBRICATING SYSTEM...561
Lubrication system; description...562
Lubrication system; specifications...568
Lubrication oil consumption; checking...570
Lubrication system; component locations...574
Lubrication system; tightening torques...576
Lubrication oil pressure; checking with pressure gauge...580
Oil cooler; replacing...582
Oil cooler; leakage check...585
23 - FUEL SYSTEM...587
Fuel system; description...588
Fuel system; specifications...595
Fuel system; tightening torques...597
Air in fuel system; checking...605
Carbon dioxide in fuel system; checking...608
Fuel system basics; checking...614
Fuel system; component location...617
Feed pump pressure; checking...619
Feed pump; replacing...621
Fuel system; bleeding...623
Feed pump removed; reconditioning...624
Unit injector pretension; adjusting...629
Injectors; checking...631
Injectors; replacing...642
Overflow valve; replacing...652
Injector sleeves; replacing...654
25 - INLET & EXHAUST SYSTEM...662
Inlet and exhaust system; description...664
Inlet and exhaust system; specification...672
Inlet and exhaust system; component location...675
Inlet and exhaust system; tightening torques...677
Exhaust pipe flexible tube; replacing...683
Exhaust Aftertreatment System; description...686
Exhaust Aftertreatment System; component location...700
Regeneration process; description...702
AdBlue®_DEF tank; replacing...708
AdBlue®_DEF; draining...710
AdBlue®_DEF quality; checking...712
SCR (Selective catalytic reduction) dosing system; checking...715
AdBlue®_DEF pump unit diagnostics; description...717
Exhaust aftertreatment fuel system diagnostics; description...724
DPF (Diesel particulate filter); checking and cleaning...728
ACM (Aftertreatment control module) non-programmed; replacing...733
ACM (Aftertreatment control module) pre-programmed; replacing...737
Compressor; replacing...739
NOx sensor; replacing...745
Inlet throttle; replacing...747
High pressure air system pressure; checking...750
Exhaust aftertreatment system fuel flow; checking...756
Muffler; replacing...761
AdBlue®_DEF pump unit; replacing...765
AdBlue®_DEF pump; replacing...770
AdBlue®_DEF pump unit; components; replacing...772
AdBlue®_DEF nozzle; replacing...777
AdBlue®_DEF tank armature; replacing...779
Aftertreatment fuel nozzle; replacing...782
Aftertreatment fuel nozzle; cleaning...784
Aftertreatment fuel dosing unit; replacing...787
AdBlue®_DEF hoses; replacing...790
AdBlue®_DEF...794
AdBlue®_DEF tank; cleaning_{45-04}...800
AdBlue®_DEF tank; cleaning_{44-46}...803
Turbocharger; inspecting...806
Turbocharger; replacing...808
Variable turbocharger actuator; replacing...813
Air cleaner; primary filter replacing...818
Air cleaner; secondary filter replacing...820
Charge air cooler; replacing...823
26 - COOLING SYSTEM...831
Cooling system; description...832
Cooling system; specifications...837
Carbon dioxide in coolant system; checking...838
Cooling system; component location...844
Cooling system; tightening torques...846
Cooling system pressure; checking...849
Coolant anti-freeze resistance; checking...851
Coolant; changing...856
Radiator; replacing...859
Expansion tank; replacing...861
Cooling fan control...863
Reversible cooling fan; description ...866
Cooling fan rpm; specifications...867
Cooling fan clutch; description...868
27 - ENGINE CONTROL...871
Engine - Pump control; specification...872
29 - MISCELLANEOUS...874
EGR venturi tube; cleaning...875
Exhaust Gas Recirculation (EGR); description...879
Exhaust gas recirculation (EGR); component location...886
EGR system; tightening torques...888
EGR cooler; replacing...891
EGR cooler pressure; testing...896
EGR pressure sensor; replacing...900
EGR valve; replacing...902
EGR venturi tube; replacing...907
3 - ELECTRICAL; WARNING; INFORMATION; INSTRUMENTS...910
30 - GENERAL...911
Electrical system; special instructions for servicing; general...917
Electrical system; special instructions for servicing; electronic components...921
Electrical system; special instructions for servicing; electrical components; batteries...924
Electrical system; special instructions for servicing; electrical components; alternator and charging regulator...928
Electrical system; special instructions for servicing; action when working on machine...931
Electrical system; description...934
Electronic control system; description...936
Auxiliary start...943
System voltage...947
Electrical system; specifications...950
Tech Tool; operations-...953
Power Boost control; description...955
Engine stops...958
CareTrack with anti-theft...960
Start lock; description...971
X1 control; description...973
X3 control; description...977
Electro hydraulic pump control; description...979
Power supply; description...984
Mode selection; description...989
Boom float position; description ...993
Travel speed; description ...995
Overload warning...997
Seat belt...1000
Auto Idle...1002
Attachment quick coupler...1005
Intermittent wiper and washer...1007
Grading and lifting control; description...1011
ECO mode; description...1015
Software parameters; description...1017
Automatic engine shut-down...1028
General fault diagnosis information...1031
Troubleshooting strategy...1033
Collection of basic data...1035
Information display; check...1039
Error code information; general...1042
Error codes; build-up...1053
Conditions when checking...1055
Lead and connector checks...1060
Special tools for troubleshooting...1066
Tech Tool; operations ...1069
AL3201; description and measuring...1071
BA3101; description and measuring...1074
BB1 Communication bus; description and measuring...1077
BB2 Communication bus; description and measuring...1080
CU9901; description and measuring...1083
CU9911; description and measuring...1086
Dig Assist sensor network; description and measuring...1088
FX1005; description and measuring...1091
FX1006; description and measuring...1093
FX1007; description and measuring...1096
FX1008; description and measuring...1100
FX1065; description and measuring...1103
FX1066; description and measuring...1106
FX1079; description and measuring...1110
HE2501; description and measuring...1113
HE2511; description and measuring...1115
HE2512; description and measuring...1117
Instrument Cluster (IC); description and measuring...1119
MA2301-MA2306; description and measuring...1122
MA2517; description and measuring...1125
MA2602; description and measuring...1127
MA2605; description and measuring...1129
MA9109; description and measuring...1131
MA9116; description and measuring...1134
MA9117; description and measuring...1137
MA9120; description and measuring...1140
MA9125; description and measuring...1143
MO2501; description and measuring...1146
MO2503; description and measuring...1149
MO2507; description and measuring...1151
MO3301; description and measuring...1153
Power supply; ACM (Aftertreatment Control Module); description and measuring...1155
Power supply CCM; description and measuring...1157
Power supply ECM; description and measuring...1159
Power supply GPMECU 1; description and measuring...1161
Power supply HMICU; description and measuring...1163
Power supply W-ECU; description and measuring...1166
PWM2503; description and measuring...1168
PWM2601; description and measuring...1170
PWM2602; description and measuring...1172
PWM9123; description and measuring...1174
PWM9124; description and measuring...1176
PWM9129; description and measuring...1178
PWM9141; description and measuring...1180
PWM9142; description and measuring...1183
PWM9143; description and measuring...1186
PWM9145; description and measuring...1188
PWM9146; description and measuring...1190
PWM9156; description and measuring...1192
PWM9157; description and measuring...1194
RE2501; description and measuring...1196
RE3101; description and measuring...1199
RE3102; description and measuring...1202
RE3502; description and measuring...1205
RE3507; description and measuring...1208
RE3508; description and measuring...1211
RE3511; description and measuring...1214
RE3607; description and measuring...1217
RE3608; description and measuring...1220
RE4206; description and measuring...1223
SAE J1939-1 SubNet 1; description and measuring...1225
SE2203; description and measuring...1228
SE2301; description and measuring...1231
SE2303; description and measuring...1233
SE2509; description and measuring...1236
SE2510; description and measuring...1239
SE2512; description and measuring...1242
SE2513; description and measuring...1245
SE2514; description and measuring...1247
SE2515; description and measuring...1249
SE2516; description and measuring...1252
SE2519; description and measuring...1255
SE2521; description and measuring...1258
SE2522; description and measuring...1261
SE2533; description and measuring...1264
SE2539; description and measuring...1266
SE2540; description and measuring...1269
SE2542; description and measuring...1272
SE2603; description and measuring...1275
SE2604; description and measuring...1277
SE2606; description and measuring...1279
SE2701; description and measuring...1282
SE2703; description and measuring...1284
SE8701; description and measuring...1286
SE8702; description and measuring...1288
SE8705; description and measuring...1291
SE8706; description and measuring...1294
SE9105; description and measuring...1297
SE9121; description and measuring...1301
SE9122; description and measuring...1303
SE9123; description and measuring...1305
SE9124; description and measuring...1307
SE9125; description and measuring...1310
SE9126; description and measuring...1312
SE9127; description and measuring...1314
SE9128; description and measuring...1316
SE9131; description and measuring...1319
SE9132; description and measuring...1321
SE9136; description and measuring...1323
SE9141; description and measuring...1326
SE9142; description and measuring...1329
SE9191; description and measuring...1332
SE9401; description and measuring...1335
SW2506; description and measuring...1338
SW3301; description and measuring...1340
SW3802; description and measuring...1342
SW3803; description and measuring...1345
SW9161; description and measuring...1348
SW9162; description and measuring...1351
31 - BATTERY...1353
Battery; storage...1354
Battery; description...1357
Battery; specifications_{52-12}...1360
Battery; specifications_{51-56}...1361
Battery condition; checking...1362
Battery charging capacity; checking...1365
Battery; charging...1368
Batteries; replacing...1371
32 - ALTERNATOR; CHARGE REGULATOR...1374
Charging; description...1375
Alternator; specifications...1377
Alternator; description...1379
Alternator; replacing incl function checking...1382
Alternator; testing...1385
33 - STARTING SYSTEM...1389
Starter motor; description...1390
Starter motor; specifications...1392
Starter motor; testing...1393
Starter motor; replacing...1397
Preheating; description...1399
Ignition switch; description and operation...1401
Ignition switch; specifications...1404
Starter switch; testing...1406
35 - LIGHTING...1409
Work lights and extra lights; description...1410
Work lights and extra lights; specifications_{42-21}...1413
Work lights and extra lights; specifications_{42-04}...1416
36 - OTHER ELECTRICAL EQUIPMENT...1419
Electric pedal control on X1 (on_off); replacing...1420
Electric pedal control on X1 (proportional); replacing...1424
Travel alarm; description...1428
Electric horn; specifications...1431
Rotating beacon; specifications_{38-19}...1434
Rotating beacon; specifications_{38-03}...1436
Rotating beacon; specifications_{37-47}...1438
Travel alarm; specifications...1440
Windscreen wiper front motor; replacing...1443
Windscreen wiper switch; replacing...1448
Windscreen wiper; description...1451
Upper wiper motor; description...1453
Upper wiper motor; specifications...1455
Lower wiper motor; description...1457
Lower wiper motor; specifications...1459
Windscreen flusher pump; specifications...1461
Window limit switch; description...1463
Connectors; overview...1466
Control lockout lever switch; replacing...1476
Ignition switch; replacing...1479
General purpose machine electronic control unit GPMECU; function description...1482
Human machine interface control unit HMICU; function description...1485
GPMECU1 non-programmed; replacing...1487
GPMECU1 pre-programmed; replacing...1490
HMICU non-programmed; replacing...1493
HMICU pre-programmed; replacing...1497
37 - CABLE; FUSE; RELAY...1501
Electrical symbols and designations...1503
Explanation of wiring diagrams...1508
Component designations...1511
Component list Alternator; batteries; capacitors; electronic units; voltage outlet...1513
Component list; fuses...1515
Component list; Heating coils...1517
Component list; lights...1518
Component list; Miscellaneous...1519
Component list; motors...1520
Component list; relays...1522
Component list; sensors...1523
Component list; Solenoid valves...1525
Component list; Switches...1527
ACM; I_O list...1529
CCM; I_O list...1531
ECM (Engine Control Module); I_O list...1533
GPMECU1; I_O list...1536
HMICU; I_O list...1539
IC (Instrument Cluster); I_O list...1542
W-ECU; I_O list...1543
Wiring diagram...1545
Wiring diagram; electrical distribution box...1547
Wiring diagram SCH01...1550
Wiring diagram SCH02...1555
Wiring diagram SCH03...1560
Wiring diagram SCH04...1565
Wiring diagram SCH05...1570
Wiring diagram SCH07...1577
Wiring diagram SCH08...1581
Wiring diagram SCH10...1586
Wiring diagram SCH11...1589
Wiring diagram SCH12...1593
Wiring diagram SCH13...1597
Wiring diagram SCH14...1601
Wiring diagram SCH15...1606
Wiring diagram SCH16...1610
Wiring diagram SCH17...1614
Wiring diagram SCH18...1619
Wiring diagram SCH20...1623
Wiring diagram SCH24...1627
Wiring diagram SCH27...1630
Wiring diagram SCH28...1636
Wiring diagram SCH30...1643
Electrical distribution box_{51-48}...1646
Electrical distribution box_{51-28}...1648
Electrical distribution box; circuit board replacing...1650
Fuse; description...1654
Relay; description...1657
Relay; specifications...1660
38 - INSTRUMENT; SENSOR; WARNING & INFORMATION SYSTEM...1662
Instruments and controls; overview...1664
Instruments and controls; front instrument panel...1666
Instruments and controls; left instrument panel...1668
Instruments and controls; right instrument panel...1670
Instruments and controls; rear instrument panel...1672
Hour meter; replacing...1674
Control lockout lever switch; description...1677
Control lockout lever switch; specifications...1680
Hydraulic oil temperature sensor; replacing...1683
Keypad; description...1686
Keypad; specification...1688
Service mode...1690
Engine system...1693
Hydraulic system...1696
Electrical system...1700
Rear view camera; specifications...1705
Volvo Smart View...1706
Volvo Smart View; specification...1710
Volvo Smart View camera; replacing...1713
Volvo Smart View; calibrating...1717
Volvo Smart View accuracy; checking...1722
Volvo Co-Pilot; description...1728
Volvo Co-Pilot; component location...1732
Volvo Co-Pilot; specifications...1734
Volvo Co-Pilot; replacing...1736
Volvo Co-Pilot SIM card; installing...1740
USB tethering...1747
Volvo Co-Pilot Android software; updating online (OtA)...1754
Volvo Co-Pilot Android software; updating offline (USB)...1757
Volvo Co-Pilot; software updating...1760
Dig Assist; description...1764
Dig Assist; component location...1777
Dig Assist; tightening torques...1778
Dig Assist IMU; teach-in...1781
36703-3 Dig Assist; calibration; body IMU...1789
36703-3 Dig Assist; calibration; linkage...1793
36703-3 Dig Assist; calibration; GNSS...1801
Dig Assist GNSS antenna; calibrating...1808
36705-3 Dig Assist; configuration...1815
Dig Assist Onboard Weighing system; calibrating...1823
Dig Assist Onboard Weighing; tool weight; calibrating...1833
Dig Assist accuracy; checking_{29-16}...1840
Dig Assist accuracy; checking_{28-50}...1848
Dig Assist IMU; checking...1856
Dig Assist quick coupler; measuring...1868
Dig Assist lift point; measuring...1875
Dig Assist Information Center; description...1881
Dig Assist; troubleshooting_{26-08}...1901
Dig Assist; troubleshooting_{25-52}...1907
Dig Assist RTK; troubleshooting...1913
3D applications for Dig Assist; troubleshooting...1920
Smart Receiver; replacing...1922
GNSS Antenna; replacing...1926
Inertial measurement unit (IMU); replacing_{24-08}...1929
Inertial measurement unit (IMU); replacing_{23-50}...1936
Laser catcher; replacing...1943
39 - MISCELLANEOUS...1945
Radio with MP3; description...1946
Radio with MP3; specifications...1950
Radio; replacing...1952
DC–DC converter; specifications...1957
Antenna; replacing...1960
Speaker; replacing...1963
CareTrack W-ECU; description...1965
W-ECU; replacing; non-programmed...1970
W-ECU; replacing; pre-programmed...1974
CareTrack battery; replacing...1978
CareTrack antenna; replacing...1982
4 - POWER TRANSMISSION...1987
40 - GENERAL...1988
Tightening torque; specifications-...1989
Power transmission; description...1990
43 - GEARBOX...1993
Function description-...1994
Track gearbox; specifications...1995
Track gearbox; description...1996
Track gearbox; precautions for operation...2000
Track gearbox; maintenance standard...2003
Track gearbox cover; replacing...2005
Track gearbox; disassembly...2008
Track gearbox; assembly...2018
Function description ...2028
Swing gearbox; specifications...2029
Swing gearbox; description...2030
Swing gearbox; maintenance standard...2033
Swing unit; replacing...2036
Swing gearbox; replacing...2038
Swing gearbox removed; seal replacing...2043
Slew gearbox; tools...2046
Swing gearbox; disassembly...2048
Swing gearbox; assembly...2059
44 - HYDROSTATIC DRIVE...2074
Travel speed; description...2076
Track motor; specifications...2079
Track motor; description...2080
Track motor; precautions for operation...2084
Track motor; maintenance standard_{04-37}...2087
Track motor; maintenance standard_{04-20}...2090
Track motor; maintenance standard_{04-03}...2093
Track motor; maintenance standard_{03-46}...2095
Track motor; replacing...2099
Track motor relief valve; replacing...2103
Track motor; disassembly...2105
Track motor; assembly...2114
Manual release of parking brake...2128
Swing motor; specifications...2132
Swing motor; description...2133
Swing motor; maintenance standard_{00-12}...2139
Swing motor; maintenance standard_{59-55}...2141
Swing motor; maintenance standard_{59-38}...2143
Swing motor; maintenance standard_{59-20}...2145
Swing motor; replacing...2148
Swing motor relief valve; replacing...2152
Swing motor removed; seal replacing...2154
Slew motor; tools...2156
Swing motor; disassembly...2158
Swing motor; assembly...2165
Slew motor; troubleshooting...2174
Hydraulic pump coupling; description_{54-40}...2177
Hydraulic pump coupling; description_{54-23}...2178
Pump gearbox coupling assembly; replacing...2179
Tightening torque; specifications ...2181
Center passage; specifications...2183
Center passage; description...2184
Center passage; maintenance standard...2186
Centre passage; removing...2191
Centre passage; installing...2193
Center passage; disassembly...2195
Center passage; assembly...2198
49 - MISCELLANEOUS...2204
Tightening torque; specifications...2205
Swing ring gear; specifications...2207
Swing ring gear; description...2208
Swing ring gear; replacing...2211
Swing ring gear grease pipe; replacing...2215
Swing ring gear inner seal; replacing...2218
Swing ring gear outer seal; replacing...2222
Swing ring gear cover; removing...2226
Swing ring gear cover; installing...2229
7 - FRAME; SPRINGS; DAMPING; AXLE SUSPENSION; WHEEL_TRACK UNIT...2231
70 - GENERAL...2232
Undercarriage; tightening torque...2233
Frame and track unit; specifications...2235
Frame and track unit; description_{43-36}...2236
Frame and track unit; description_{43-19}...2238
71 - FRAME...2240
Machine weight; specifications...2241
Superstructure; removing...2242
Superstructure; installing...2246
Tightening torque; specifications_{39-46}...2250
Tightening torque; specifications_{39-24}...2252
Tightening torque; specifications_{39-07}...2254
Tightening torque; specifications_{38-50}...2256
Tightening torque; specifications_{38-32}...2258
Boom cylinder protection guard; removing...2260
Boom cylinder protection guard; installing...2262
Bucket cylinder protection guard; removing...2265
Bucket cylinder protection guard; installing...2269
Counterweight; tightening torques...2273
Counterweight; specifications...2276
Counterweight; removing_{35-22}...2277
Counterweight; removing_{35-05}...2280
Counterweight; installing_{34-34}...2283
Counterweight; installing_{34-18}...2286
Removable counterweight cylinder; specifications...2289
Removable counterweight; removing...2291
Removable counterweight; installing...2295
Support information...2300
Undercarriage; description_{30-20}...2301
Undercarriage; description_{30-03}...2303
Retractable track; removing...2306
Retractable track; installing...2310
Selection of track shoes...2312
77 - WHEELS; TRACKS; TYRE; HUB; DRUM...2314
Idler; description...2315
Idler; measurement of wear...2317
Front idler; replacing one...2320
Idler; disassembly...2323
Idler; assembly...2326
Tools & equipment...2330
Sprocket; measurement of wear...2335
Sprocket; replacing one...2338
Track chain; description...2340
Track link; dimension...2342
Track; adjusting track sag_{22-52}...2343
Track; adjusting track sag_{22-36}...2345
Track chain; measurement of wear...2347
Track shoe; replacing one...2352
Track links; replacing...2354
Track chain assembly; removing...2358
Track chain assembly; installing...2362
Top roller; description...2365
Top roller; measurement of wear...2367
Top roller; replacing one...2370
Bottom roller; description...2373
Bottom roller; measurement of wear...2375
Bottom roller; replacing one...2378
Bottom roller; replacing seal...2381
Track guards...2385
Track guard; replacing one...2387
Full track guard; replacing...2389
Spring package; assembly dimension...2392
Track tension cylinder; replacing...2393
Track recoil spring (tensioner) assembly; replacing...2396
8 - MACHINERY HOUSE; CAB; EXTERIOR TRIM PARTS ANYWHERE...2399
80 - GENERAL...2400
Tech Tool; operations ...2401
81 - CAB; NAKED; CANOPY...2403
Cab; weight...2404
Cab; removing...2405
Cab; installing...2411
82 - ENGINE HOOD; MUDGUARD; FOOT STEP...2420
Tool box assembly; replacing...2421
83 - DOORS; HATCH; COVER PLATE; (all)...2424
Door; replacing...2425
Cab door; changing door catch...2429
84 - TRIM PART; OUTSIDE; GLASS; SEALING MOULDING...2435
Rear-view mirror; replacing...2436
Windows; general...2438
Windscreen; replacing...2441
Side window; replacing...2455
Rear window; replacing...2462
Door window; replacing...2470
85 - CAB INTERIOR; UPHOLSTERY...2473
Seat; replacing...2474
Seat cushion; replacing...2479
Seat support; replacing...2485
Longitudinal adjustment cable; replacing...2491
Longitudinal suspension cable; replacing...2498
Backrest; replacing...2503
Driver's seat; description...2508
Driver's seat; specifications...2511
Seat heater; checking...2512
86 - PROTECTIVE EQUIPMENT...2516
Falling object guard (FOG); removing...2517
Falling object guard (FOG); installing...2520
87 - AIR CONDITIONING UNIT...2523
HVAC system...2524
Air conditioning unit; specifications...2528
Air conditioning unit; description...2530
Performance test; AC unit...2537
Air conditioning unit; maintenance...2543
CCM pre-programmed ECU; replacing...2546
CCM non-programmed ECU; replacing...2551
Air conditioning unit; refrigerant check and recharging...2556
Air distribution; description...2564
Heating system; description...2567
Fan motor; replacing...2569
Heater core; replacing...2573
Receiver; replacing incl draining and filling...2580
Condenser; replacing incl draining and filling...2585
Evaporator; replacing incl draining and filling...2589
Expansion valve; replacing incl draining and filling...2598
Vent actuator; replacing...2607
Mode (foot) actuator; replacing...2610
Intake actuator; replacing...2613
Air mix door actuator; replacing...2616
Compressor; replacing magnetic clutch (compressor removed)...2619
Auxiliary heater; specifications...2625
Auxiliary heater; description...2626
Auxiliary heater; principles...2629
Troubleshooting ...2632
88 - INTERIOR EQUIPMENT...2642
Instrument panel (left); replacing...2643
Instrument panel (right); replacing...2647
9 - HYDRAULIC SYSTEM; DIGGING_HANDLING_GRADING EQUIPMENT; MISCELLANEOUS...2651
90 - GENERAL...2652
Hydraulic diagram; standard - Image B...2653
Hydraulic diagram; standard - Image A...2654
Hydraulic diagram; with option components - Image B...2655
Hydraulic diagram; with option components - Image A...2657
Explanations to hydraulic diagram...2659
Hydraulic diagram; standard_{26-16}...2666
Hydraulic diagram; standard_{25-59}...2669
Hydraulic diagram; with option components_{25-33}...2672
Hydraulic diagram; with option components_{25-14}...2678
Hydraulic diagram; ports...2684
Hydraulic system; position of main components...2686
Hydraulic system; cleanliness when handling hydraulic components...2689
Description; general...2693
Hydraulic system; description...2695
Recommended hydraulic oil; specifications...2696
Hydraulic pressure; specifications...2700
Hydraulic system; repair of hydraulic components in workshop...2701
Hydraulic oil; storage and handling...2706
Hydraulic components; storing and transporting...2710
Tech Tool; operations...2714
91 - WORKING HYDRAULIC; SERVO HYDRAULICS...2716
Hydraulic system; work instructions...2722
Hydraulic components; description...2727
Hydraulic oil tank; specifications...2729
Hydraulic oil tank; description...2730
Hydraulic oil tank; vacuum-pumping; connecting and disconnecting pump...2732
Oil level gauge; replacing...2735
Air breather; description...2737
Breather; replacing...2739
Shock reducing valve; description-1748...2740
Shock reducing valve; description...2741
Servo hydraulic block...2742
Shuttle valve block; description...2744
Check valve; description...2747
Oil cooler line bypass valve (check valve); replacing...2749
Hydraulic oil cooling system; specifications...2753
Hydraulic cooling fan control; specifications...2755
Hydraulic oil cooling system; description...2757
Reversible cooling fan; description...2761
Hydraulic oil cooler; description...2765
Hydraulic oil cooler; replacing...2766
Fan pump; description...2772
Fan pump; parts inspection...2773
Fan pump; disassembly...2775
Fan pump; assembly...2777
Oil cooler fan pump; replacing...2779
Fan motor; specification...2781
Fan motor; description...2782
Fan motor; disassembly...2787
Fan motor; assembly...2794
Fan motor; troubleshooting...2800
Oil cooler fan motor; replacing...2802
Proportional relief valve; specifications...2805
Proportional relief valve; description...2806
Main control valve; port size and tightening torque...2809
Main control valve; specifications...2810
Main control valve; description...2812
Pressure relief valve; troubleshooting...2821
Main control valve troubleshooting...2825
Control valve; part inspection...2830
General; precautions...2833
Main relief valve; description...2835
Main relief valve; adjustment...2837
Main relief valve; disassembly...2839
Main pressure relief valve; replacing...2842
Port relief valve; description...2844
Port relief valve pressure; checking and adjusting...2847
2 stage port relief valve; description...2850
2 stage port relief valve; adjustment...2856
2 stage port relief valve; disassembly and assembly...2858
X1 Pre-set relief valve; adjusting...2862
Boom and arm holding valve (Boom-1; Arm-1); description...2865
Boom and arm holding valve (Boom-1; Arm-1); disassembly...2869
Boom boost check valve; disassembly...2873
Cover assembly (for preventing Boom-1 spool rotation); disassembly...2875
Arm regenerating valve; description...2877
Arm parallel conflux changeover valve; disassembly...2880
Check valve (for arm parallel conflux; slew priority); disassembly...2882
Arm conflux check valve; disassembly...2884
Main control valve adjustor; adjusting...2886
Option confluence check...2888
Center bypass valve; disassembly and assembly...2890
Make up valve; description...2892
Control valve; replacing...2895
Tightening torques...2900
Line rupture valve (boom); specifications...2904
Line rupture valve (boom); description...2905
Line rupture valve pressure; checking and adjusting...2910
Port relief valve pressure; adjustment (when installing or dismantling the line rupture valve)...2912
Line rupture valve (boom); air breathing...2915
Boom cylinder; rupture valve; replacing...2917
Disassembly and assembly; general...2922
Line rupture valve (boom); disassembly...2925
Line rupture valve (boom); assembly...2928
Line rupture valve (boom); troubleshooting...2931
Line rupture valve (arm); specifications...2934
Line rupture valve (arm); description...2935
Line rupture valve (arm); air breathing...2940
Dipper arm cylinder; rupture valve; replacing...2942
Line rupture valve (arm); disassembly...2945
Line rupture valve (arm); assembly...2948
Line rupture valve (arm); troubleshooting...2951
Hydraulic pump; specifications...2953
Hydraulic pump; description...2954
Hydraulic pump; maintenance standard; Specifications...2959
Pump; troubleshooting...2963
Pump; disassembly...2965
Pump; assembly...2971
Pump; installation...2977
Regulator; description...2979
Regulator; maintenance...2984
Regulator; disassembly...2985
Regulator; assembly...2992
Proportional solenoid valve; specifications ...2997
Current_pressure; specifications...2998
Proportional solenoid valve; description ...2999
Proportional solenoid valve; measuring and adjustment...3002
Proportional solenoid valve; troubleshooting...3007
Hydraulic pump (removed); changing shaft seal...3008
Hydraulic pump; replacing...3010
Hydraulic pump regulator; replacing...3024
Proportional solenoid valve (power shift); replacing...3026
Servo pump; specifications...3029
Servo pump; description...3030
Servo pump; parts inspection...3033
Servo hydraulic pressure; adjustment...3035
Servo pump; disassembly...3038
Servo pump; assembly...3044
Servo pump; replacing...3051
Pressure accumulator; specifications...3055
Pressure accumulator; description...3056
Accumulator; replacing...3059
Tightening torques_{30-58}...3060
Tightening torques_{30-38}...3066
Remote control valve (Lever); specifications_{30-10}...3071
Remote control valve (Lever); specifications_{29-55}...3075
Remote control valve (Lever); description_{29-31}...3077
Remote control valve (Lever); description_{28-55}...3090
Remote control valve (Lever); maintenance standard; Specifications_{28-13}...3100
Remote control valve (Lever); maintenance standard; Specifications_{27-58}...3104
Remote control valve (lever); replacing...3107
Remote control valve (Lever); disassembly_{26-55}...3119
Remote control valve (Lever); disassembly_{26-30}...3131
Remote control valve (Lever); assembly_{25-39}...3144
Remote control valve (Lever); assembly_{25-14}...3156
Remote control valve (Lever); troubleshooting_{24-22}...3169
Remote control valve (Lever); troubleshooting_{24-07}...3172
Remote control valve (pedal); specifications ...3175
Remote control valve (pedal); description...3176
Remote control valve (pedal); maintenance standard; Specifications...3184
Remote control valve (pedal); replacing...3187
Remote control valve (pedal); disassembly...3192
Remote control valve (pedal); assembly...3202
Remote control valve (pedal); troubleshooting...3214
Solenoid valve; specifications ...3217
Solenoid valve; description ...3218
Solenoid valve; inspection...3221
Solenoid valve; troubleshooting...3223
Solenoid valve; disassembly and assembly...3227
Solenoid valve; replacing...3230
Tightening torques ...3232
X1 Line; description...3235
Hammer and shear pedal valve (RCV); replacing...3238
Hammer return filter; specifications_{15-11}...3241
Hammer return filter; specifications_{14-54}...3244
Hammer return filter; description...3246
Solenoid valve; specifications...3248
Solenoid valve; description...3250
3 way selector valve; description...3252
Proportional solenoid valve; specifications...3254
Proportional solenoid valve; description...3255
Stop valve...3258
Remote control valve (pedal); specifications...3260
Straight travel pedal; description...3262
Single pedal stopper position...3266
Control pattern selector valve; specifications_{10-36}...3268
Control pattern selector valve; specifications_{10-20}...3269
Control pattern selector valve; description...3271
Solenoid valve for rotator...3275
Rotator pump; specifications...3277
Rotator pump; description...3278
Rotator pump; disassembly...3279
Rotator pump; assembly...3280
Rotator pump; parts inspection...3281
Rotator (X3 Line option); description...3283
Rotator valve; adjustment...3285
Boom float position; description...3287
92 - MECHANICAL EQUIPMENT_ATTACHMENT...3290
Attachment quick coupler; description...3291
Attachment quick coupler; operation...3296
Attachment quick coupler; replacing...3298
Attachment quick coupler solenoid valve; description...3307
97 - UNIT; DIGGING...3312
Tightening torques...3314
Function description...3324
Digging unit; maintenance...3327
Bushing general; replacing...3331
Cylinder; description...3336
Cylinder; disassembly and assembly_{01-46}...3341
Cylinder; disassembly and assembly_{01-24}...3360
Cylinder; troubleshooting...3376
Boom; specifications...3380
Boom; description...3381
Boom; replacing...3383
Boom cylinder; specifications...3400
Boom cylinder; description...3402
Boom cylinder; replacing...3404
Lower boom cylinder bushing; replacing...3414
Upper boom cylinder bushing; replacing...3419
Dipper arm; specifications...3423
Dipper arm; description...3424
Dipper arm; replacing...3426
Link; description...3439
Dipper arm connecting rod; replacing...3441
Connecting rod yoke; replacing...3448
Dipper arm cylinder; specifications...3457
Dipper arm cylinder; description...3458
Dipper arm cylinder; replacing...3460
Dipper arm cylinder bushing on boom; replacing...3470
Dipper arm cylinder bushing on dipper arm; replacing...3475
Bucket cylinder; specifications...3479
Bucket cylinder; description...3481
Bucket cylinder; replacing...3483
Bucket cylinder bushing on dipper arm; replacing...3494
Bucket cylinder bushing lever-link; replacing...3499
99 - MISCELLANEOUS...3503
Overview...3504
Automatic lubrication system; specifications...3507
Automatic lubrication system; description...3510
Central lubrication system; description...3515
Control units; software functions...3521
Maintenance service; general...3530
Troubleshooting...3532
Bleeding air...3537
Compressor; description...3539
Volvo EC750E L Excavators Repair Service Manual
