Bobcat Ingersoll-Rand ZX75, ZX125 Excavators Repair Service Manuals + Operating & Maintenance Manuals
Complete repair service manual with electrical wiring diagrams for Bobcat Ingersoll-Rand ZX75, ZX125 Excavators, with technical information to maintain, diagnose, repair, and service like professional mechanics.
Bobcat Ingersoll-Rand ZX75, ZX125 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.
22509384 (8-04) - Ingersoll-Rand ZX75 Crawler Excavator Operating & Maintenance Manual.pdf
22509392 (8-04) - Ingersoll-Rand ZX125 Crawler Excavator Operating & Maintenance Manual.pdf
22856462 (3-06) - Ingersoll-Rand ZX75, ZX125 Load Excavator Service Manual.pdf
22856462 (6-12) - Ingersoll-Rand ZX75, ZX125 Load Excavator Service Manual.pdf
22990683 (6-12) - Ingersoll-Rand ZX75 Service Manual.pdf
22990683 (10-06) - Ingersoll-Rand ZX75 Service Manual.pdf
Total Pages: 2,021 pages
File Format: PDF (bookmarked, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS
22509384 (8-04) - Ingersoll-Rand ZX75 Crawler Excavator Operating & Maintenance Manual....2
TABLE OF CONTENTS....4
Introduction....8
General....9
Warranty....10
Notes on Using the Instruction Book....11
Environmental Requirements....11
Pictograms....12
Safety & Prevention of Accidents....16
Introductory Remarks....17
Proper Use....17
General Safety Notes....17
Operation....18
Danger Zone....19
Transport of Persons....19
Stability....19
Travel Operation....20
Operation....20
Guides....21
Danger of Falling Objects....21
Working in the Vicinity of Underground Power Lines....21
Working in the Vicinity of Overhead Power Lines....22
Operation in Closed Rooms....22
Work Stoppages....23
Crane Operations....23
Change of Work Attachments, Maintenance, Repair....24
Recovery, Loading & Transportation....25
Monitoring & Inspections....26
Fire Protection....27
Emergency Exit....27
Other Dangers....27
Technical Data....28
Diesel Engine....29
Electrical System....29
Crawler Unit....29
Steering....30
Brakes....30
Hydraulic System....30
Hydraulic Pumps....30
Lubricants....31
Filling Quantities....31
Fuel, Lubricant & Coolant Specifications....32
Alternative Recommendation for Other Temperature Ranges....33
Specific Ground Pressure....33
Sound Level Values, Vibration....34
Dimensions & Weights....34
Excavator Installation....35
Work Attachments....36
Optional Equipment....37
Operation....38
Operator Controls....39
Instrument Panel....41
Engine....43
Starting the Engine....43
Monitoring During Operation....45
Switching off the Engine....47
Driver's Seat....47
Heating/Ventilation/Air Conditioning....48
Heating....48
Ventilation....48
Air Conditioning (Option)....49
Front Window....49
Ventilation Position....49
Tracking and Steering....50
Tracking Forward or Reverse....50
Taking Bends....50
Spot - Turning....50
Turning Over One Crawler....51
Rubber Crawler Chains....52
Parking the Machine....54
Working Operation....56
General....57
Operation of Work Functions....58
Operation of Work Equipment....58
Operation - Articulation....60
Operation - Dozer Blade....61
Float Position....61
Operation - Additional Control Circuit....62
Rock Breaker Operations....62
Grab Operations, Swing Bucket, etc...62
Changing Work Attachments....64
General....64
Assembly of Work Attachments....64
Procedure for Changing Work Attachments....65
Clamshell Grab....66
Changing Procedure....66
Hydraulic Rock Breaker....68
Attachment....68
Working with the Hydraulic Rock Breaker....68
Maintenance....69
Using the Machine for Load Hook Applications....70
Overload Warning Device....70
Using the Machine for Load Hook Applications....71
Possible Forms of Attachment, Attaching Loads....71
Attaching and Guiding Loads....72
Checking the Overload Warning Device....72
Work Equipment - Monobloc and Boom....72
Tiedown & Transport....74
Tiedown of the Machine....75
Loading the Machine by use of a Crane....75
Transport of the Machine....77
Care & Maintenance....78
General Notes....79
Intervals....79
Regular Oil Analysis....80
Advantages of an Oil Analysis....80
Oil Analysis Intervals....80
Warranty....80
Inspection Parts & Aids....81
Lubricants....82
Care & Cleaning....82
Notes for Winter Operation....83
Hydraulic Oil....83
Engine Oil....83
Coolant....83
Battery Charge....83
Fuel....83
Checking, Maintenance & Inspection Plans....85
Initial Inspection (Delivery/Handing-Over Inspection)....85
Daily and Weekly Tasks....87
Daily....88
Weekly....88
Overview of Lubricating Points....89
Inspection Plan....92
Inspection & Maintenance Work....95
Engine Oil....95
Checking the Engine Oil Level....95
Engine Oil Change....95
Engine Oil Filter....97
Engine Oil Cooling System/Hydraulic Oil Cooler....98
Fuel System....99
Fuel Level....99
Draining Water from the Fuel Filter....99
Fuel Filter....99
Fuel Tank....100
Air Filter, Air Intake....101
Dust Ejection Valve....101
Air Intake....101
Cartridge Maintenance Interval....102
Air Filter - Main Cartridge....102
Air Filter Safety Cartridge....102
Cartridge Replacement....103
Main Cartridge....103
Safety Cartridge....103
V-Belts....105
Checking the V-Belt Tension....105
Checking the V-Belt Tension without a Measuring Device....105
Tensioning V-Belts....106
Replacing V-Belts....106
Checking the Valve Lash....107
Checking & Adjusting....108
Hydraulic Oil Tank....109
Checking the Hydraulic Oil Level....109
Changing the Hydraulic Oil....109
Hydraulic Oil Return Filter....110
Cartridge Maintenance Interval....110
Breather of Hydraulic Oil Tank....112
Crawler Gear Units....113
Checking the Oil Level in the Crawler Gear Unit....113
Oil Change....113
Crawler Chains....114
Checking the Crawler Chain Tension....114
Rubber Crawler Chain....114
Steel Crawler Chain....114
Tensioning the Crawler Chain....116
Releasing the Crawler Chain Tension....116
Replacing Track Shoes....118
Replacement....118
Swing Gear....118
Swing Bearing....119
Lubrication of Toothing....119
Lubrication of Bearing Races....119
Checking the Fastening....120
Dust Filter for Cab Ventilation....121
Removal....121
Re-installation....121
Windshield Washer System....122
Electrical Equipment....123
Battery....123
Disconnecting the Battery....124
Installing the Battery....124
Lighting & Warning Equipment....124
Shutdown....125
Preservation (Temporary Shutdown)....125
During Shutdown....125
After Shutdown....126
Trouble-Shooting....128
General....129
Engine....129
Appendix....132
Immobilizer....133
Activating the system....133
The Immobilizer is Self-Activating....133
Deactivating the System....134
Operating Malfunctions....135
Possible Sources of Malfunction....135
Damaged or Lost Code Keys....135
Delivery & Handing-Over Instructions....136
Operating Instructions....137
Spare Parts List....137
Warranty....137
Maintenance & Inspection Plan....138
22509392 (8-04) - Ingersoll-Rand ZX125 Crawler Excavator Operating & Maintenance Manual....143
TABLE OF CONTENTS....145
Introduction....149
General....150
Warranty....151
Notes on Using the Instruction Book....152
Environmental Requirements....152
Pictograms....153
Safety & Prevention of Accidents....157
Introductory Remarks....158
Proper Use....158
General Safety Notes....158
Operation....159
Danger Zone....160
Transport of Persons....160
Stability....160
Travel Operation....161
Operation....161
Guides....162
Danger of Falling Objects....162
Working in the Vicinity of Underground Power Lines....162
Working in the Vicinity of Overhead Power Lines....163
Operation in Closed Rooms....163
Work Stoppages....164
Crane Operations....164
Change of Work Attachments, Maintenance, Repair....165
Recovery, Loading & Transportation....166
Monitoring & Inspections....167
Fire Protection....168
Emergency Exit....168
Other Dangers....168
Failure of Hydraulic System....168
Technical Data....169
Engine....170
Electrical System....170
Travel Mechanism....171
Steering....171
Brakes....172
Hydraulic System....172
Lubricants....173
Filling Quantities....173
Fuel, Lubricant & Coolant Specifications....174
Alternative Recommendation for Other Temperature Ranges....175
Specific Ground Pressure....175
Sound Level Values & Vibration....176
Dimensions & Weights....176
Excavator Installation....177
Carrying Capacity....178
Work Attachments....179
Optional Equipment....180
Operation....181
Operator Controls....182
Instrument Panel....184
Description - Instrument Panel....185
Engine....186
Starting the Engine....186
Monitoring During Operation....188
Switching off the Engine....190
Driver's Seat....191
Heating / Ventilation / Air Conditioning....192
Heating....192
Ventilation....192
Air Conditioning....193
Front Window....194
Ventilation Position....194
Tracking & Steering....195
Tracking Forward or Reverse....195
Making Turns....195
Counter Rotation....195
Rubber Crawler Chains....197
Parking the Machine....199
Working Operation....201
General....202
Operation of Work Functions....203
Operation of Work Equipment....203
Operation - Articulation....205
Operation - Dozer Blade....206
Float Position....206
Operation - Additional Control Circuit....207
Additional Control Circuit I (25/17)....207
Rock Breaker Operations....207
Grapple Operations (Swing Bucket, etc.)....207
Additional Control Circuit Il (25/2)....208
Changing Work Attachments....209
General....209
Assembly of Work Attachments....209
Procedure for changing work attachments....209
Clamshell Grapple....210
Changing Procedure....211
Hydraulic Rock Breaker....211
Attachment....211
Working with the Hydraulic Rock Breaker....213
Maintenance....213
Using the Machine for Crane Operations....213
Overload Warning Device....213
Using the Machine for Crane Operations....214
Possible forms of Attachment, Attaching Loads....215
Attaching and Guiding Loads....216
Checking the overload warning device....216
Procedure for checking....216
Recovery & Transport....219
Tie down of the Machine....220
Loading the Machine by use of a Crane....221
Transport of the Machine....222
Maintenance & Service....223
General Notes....224
Intervals....224
Regular Oil Analysis....225
Advantages of an Oil Analysis....225
Oil Analysis Intervals....225
Warranty....226
Inspection Parts & Aids....226
Lubricants....227
Care & Cleaning....228
Notes for use in Winter....228
Hydraulic Oil....228
Engine Oil....228
Coolant....229
Battery....229
Fuel....229
Checking, Maintenance & Inspection Plans....230
Initial Inspection (Delivery/ Handing-Over Inspection)....230
Daily and Weekly Tasks....232
Daily....233
Weekly....233
Overview of Lubricating Points....234
Inspection Plan....236
Inspection and Maintenance Work....239
Engine Oil....239
Checking the Engine Oil Level....239
Engine Oil Change....239
Engine Oil Filter....240
Cooling System - Combined Hydraulic Oil-Water Cooler....241
Coolant Level....241
Checking the Level of Antifreeze....242
Cleaning the Cooling Fins....242
Changing the Coolant....242
Fuel System....243
Fuel Level....243
Fuel Filter....244
Fuel Tank....245
Draining the Fuel Pre-filter....245
Replacing the Filter Insert of the Fuel Pre-filter....245
Cleaning the Filter Insert of the Fuel Pre-filter....246
Air Filter & Air Intake....247
Air Intake....247
Cartridge Maintenance Interval....248
Air Filter Main Cartridge....248
Air Filter Safety Cartridge....248
Cartridge Replacement....249
Main Cartridge....249
Safety Cartridge....250
V - Belts....251
Checking the V-belt Tension....251
Checking the V-belt Tension Without a Belt Tension Gauge....251
Tensioning V-belts - Coolant/Fuel Pump....252
Tensioning V-belts - Generator....252
Checking the Valve Lash....253
Checking & Adjusting....253
Crankshaft Position "1"....253
Crankshaft Adjustment "2"....254
Hydraulic Oil Tank....255
Checking the Hydraulic Oil Level....255
Changing the Hydraulic Oil....255
Hydraulic Oil Return Filter....257
Cartridge Maintenance Interval....257
Replacing the Filter Insert:....258
Breather of Hydraulic Oil Tank....259
Crawler Gear Units....260
Oil Level in Crawler Gear Units....260
Oil Change....260
Crawler Chains....261
Checking the Crawler Chain Tension....261
Rubber Crawler Chain....261
Steel Crawler Chain....262
Tensioning the Crawler Chain....263
Releasing the Crawler Chain Tension....263
Replacing Track Shoes....265
Replacement....265
Swing Bearing....266
Lubrication of Toothing....266
Lubrication of Bearing Races....266
Checking the Fastening....267
Cab Ventilation Dust Filter....268
Removal....268
Re-installation....268
Windshield Washer....269
Electrical Equipment....270
Battery....270
Disconnecting the Battery....271
Installing the Battery....271
Lighting & Warning Equipment....271
Shutdown....272
Preservation (Temporary Shutdown)....272
During Shutdown....272
After Shutdown....273
Operating Problems....277
General....278
Engine....278
Appendix....281
Electrical System....282
Hydraulic System....300
Immobilizer....304
Activating the System....304
Deactivating the System....305
Operating Malfunctions....306
Possible Malfunctions....306
Damaged or Lost Code Keys....306
Delivery & Handing-Over Instructions....307
Operating Instructions....308
Spare Parts List....308
Warranty....308
Maintenance & Inspection Plan....309
Inspection Plan....310
22856462 (3-06) - Ingersoll-Rand ZX75, ZX125 Load Excavator Service Manual....314
TABLE OF CONTENTS ZX75....316
TABLE OF CONTENTS ZX125....317
Load Excavator ZX75....318
Load Excavator ZX75....319
Diesel Engine....319
Electrical System....319
Transmission....319
Travel Range....319
Working Hydraulics....320
Pressure and Setting Values (Working)....320
Slew Drive....321
Lubricants....321
Maintenance Parts....321
Capacities....321
Hydraulic System....322
Electrical System....343
Power Supply....344
Horn....345
Check Module....346
Load Warning Sensor....347
Load Warning Device....348
Joystick, Right....349
Working Floodlights....350
Reach Limitation....351
Control Module....352
Charge Indicators....354
Oil Pressure Indicators....354
Air Filter Indicators....354
Hydraulic Oil Filter Indicators....354
Hydraulic Oil Level....354
Working Hydraulics....355
Breaker....355
Fast Travel....355
Float Position....356
Swing Brake....356
Additional Control Circuit I....357
Additional Control Circuit II....357
Inspection Plan....358
Operator Controls....361
Instrument Panel....362
Working Equipment Parallel to Tracks....363
Cabin Suspension....364
Instructions for Tilting the Cabin....365
Load Excavator ZX125....366
Load Excavator ZX125....367
Diesel Engine....367
Electrical System....367
Transmission....367
Travel Range....367
Working Hydraulics....368
Pressure and Setting Values (Travel)....368
Slew Drive....369
Lubricants....369
Maintenance Parts....369
Capacities....369
Hydraulic Installations....370
Setting Instructions....374
Function....375
Power Control Valve....376
Description of Function....378
Test and Pressure Setting....379
Rexroth Valve Bank SX 18....381
Start-Up....384
Brakes (Downhill)....384
Electrical System....385
Power Supply....386
Horn....387
Check Module....388
Hydraulic Oil Level....389
Load Warning Device....390
Working Hydraulics....391
Joystick, Left....392
Restriction of Reach....393
Working Floodlights....394
Check Module....395
Inspection Plan....397
Operator Controls....400
Instrument Panel....401
22856462 (6-12) - Ingersoll-Rand ZX75, ZX125 Load Excavator Service Manual....403
TABLE OF CONTENTS ZX75....405
TABLE OF CONTENTS ZX125....406
Load Excavator ZX75....407
Load Excavator ZX75....408
Diesel Engine....408
Electrical System....408
Transmission....408
Travel Range....408
Working Hydraulics....409
Pressure and Setting Values (Working)....409
Slew Drive....410
Lubricants....410
Maintenance Parts....410
Capacities....410
Hydraulic System....411
Electrical System....432
Power Supply....433
Horn....434
Check Module....435
Load Warning Sensor....436
Load Warning Device....437
Joystick, Right....438
Working Floodlights....439
Reach Limitation....440
Control Module....441
Charge Indicators....443
Oil Pressure Indicators....443
Air Filter Indicators....443
Hydraulic Oil Filter Indicators....443
Hydraulic Oil Level....443
Working Hydraulics....444
Breaker....444
Fast Travel....444
Float Position....445
Swing Brake....445
Additional Control Circuit I....446
Additional Control Circuit II....446
Inspection Plan....447
Operator Controls....450
Instrument Panel....451
Working Equipment Parallel to Tracks....452
Cabin Suspension....453
Instructions for Tilting the Cabin....454
Load Excavator ZX125....455
Load Excavator ZX125....456
Diesel Engine....456
Electrical System....456
Transmission....456
Travel Range....456
Working Hydraulics....457
Pressure and Setting Values (Travel)....457
Slew Drive....458
Lubricants....458
Maintenance Parts....458
Capacities....458
Hydraulic Installations....459
Setting Instructions....463
Function....464
Power Control Valve....465
Description of Function....467
Test and Pressure Setting....468
Rexroth Valve Bank SX 18....470
Start-Up....473
Brakes (Downhill)....473
Electrical System....474
Power Supply....475
Horn....476
Check Module....477
Hydraulic Oil Level....478
Load Warning Device....479
Working Hydraulics....480
Joystick, Left....481
Restriction of Reach....482
Working Floodlights....483
Check Module....484
Inspection Plan....486
Operator Controls....489
Instrument Panel....490
22990683 (10-06) - Ingersoll-Rand ZX75 Service Manual....492
CONTENTS....494
FOREWORD....496
SAFETY INSTRUCTIONS....498
Fire Prevention....500
SERIAL NUMBER LOCATIONS....502
Excavator Serial Number....502
Engine Serial Number....502
DELIVERY REPORT....503
INGERSOLL RAND EXCAVATOR IDENTIFICATION....504
MAINTENANCE SAFETY....506
SPECIFICATIONS....508
HYDRAULIC EXCAVATOR SPECIFICATIONS....510
Machine Dimensions....510
Performance....511
Controls....511
Engine ....512
Electrical....512
Hydraulic System....512
Hydraulic System....513
Hydraulic Cycle Times....513
Swing System....513
Hydraulic Cylinders....513
Drive System....514
Brakes....514
Undercarriage....514
Track....514
Capacities....515
Digging Force....515
EXCAVATOR BOLT TORQUE....516
Specifications....516
TORQUE SPECIFICATIONS FOR BOLTS....518
Torque For General SAE Bolts....518
Torque For General Metric Bolts....518
HYDRAULIC FLUID SPECIFICATIONS....520
Specifications....520
FUEL, COOLANT AND LUBRICANTS....522
Chart....522
CONVERSIONS....524
Decimal And Millimeter Equivalents....524
U.S. To Metric Conversion....525
SAFETY AND MAINTENANCE....526
LIFTING AND BLOCKING THE EXCAVATOR....528
Procedure....528
LIFTING THE EXCAVATOR....530
Procedure....530
OPERATOR CAB....532
Description....532
Entering And Exiting The Excavator....532
Raising And Lowering The Left Console....532
Emergency Exit....533
TRANSPORTING THE EXCAVATOR....534
REAR COVER....536
Opening And Closing The Rear Cover....536
RIGHT SIDE COVER....538
Opening And Closing The Right Side Cover....538
SERVICE SCHEDULE....540
AIR CLEANER....542
Daily Check....542
Replacing The Filters....542
FRESH AIR FILTER....546
Removal And Installation....546
FRESH AIR FILTER....548
Removal And Installation....548
FUEL SYSTEM....550
Fuel Specifications....550
Filling The Fuel Tank....550
Pre-Filter Removal And Installation....551
Fuel Filter Removal And Installation....552
Draining The Fuel Tank....553
ENGINE LUBRICATION SYSTEM....554
Checking Engine Oil....554
Replacing Oil And Filter....555
HYDRAULIC SYSTEM....558
Checking And Adding Hydraulic Oil....558
Replacing The Hydraulic Oil....559
Hydraulic Filter Removal....560
Hydraulic Filter Installation ....561
Hydraulic Filter Removal ....563
Hydraulic Filter Installation....564
Hydraulic Filter Installation ....565
Diagnostic Couplers....566
LUBRICATION OF THE EXCAVATOR....568
TRAVEL MOTOR....572
Checking Oil Level....572
Draining The Travel Motor....572
ALTERNATOR BELT....574
Adjusting Belt Tension....574
FAN/FUEL PUMP BELT....576
Adjusting Belt Tension....576
AIR CONDITIONING COMPRESSOR BELT....578
Adjusting Belt Tension....578
CAB TILT PROCEDURE....580
Installing The Cab Tilt Hinges....580
Tilting The Cab....581
HYDRAULIC SYSTEM....588
HYDRAULIC SYSTEM INFORMATION....594
Troubleshooting Chart....594
Description....599
BOOM CYLINDER....602
Testing....602
Removal And Installation....604
Parts Identification....608
Disassembly....609
Assembly....614
ARM CYLINDER....620
Testing....620
Removal And Installation....620
Parts Identification....624
Disassembly....625
Assembly....630
BOOM OFFSET CYLINDER....636
Testing....636
BOOM OFFSET CYLINDER....639
Removal And Installation....639
Parts Identification....643
Disassembly....644
Assembly....648
BUCKET CYLINDER....656
Testing....656
Removal And Installation....656
Parts Identification....660
Disassembly....661
Assembly....665
BLADE CYLINDER....672
Testing....672
Removal And Installation....673
Parts Identification....675
Disassembly....676
Assembly....681
RELIEF VALVES....688
Description....688
Testing The Three Spool Control Valve Main Relief Valve....689
Adjusting The Three Spool Control Valve Main Relief Valve....689
PORT RELIEF VALVES....690
Adjustment Procedure....690
PRESSURE REDUCING VALVE....692
Description....692
Testing....692
PRESSURE REDUCING VALVE....693
Adjustment....693
DUMP VALVE....694
Description....694
Testing....694
Adjustment....694
Removal And Installation....695
Parts Identification....696
Disassembly And Assembly....697
SIX SPOOL HYDRAULIC CONTROL VALVE....702
Removal And Installation....702
Control Valve Identification....706
Disassembly And Assembly....707
Left Travel And Right Travel Valve Section Disassembly And Assembly....710
Boom, Arm, Bucket And Auxiliary Valve Section Disassembly And Assembly....713
Inlet Valve Section Disassembly And Assembly....718
THREE SPOOL HYDRAULIC CONTROL VALVE....720
Removal And Installation....720
Parts Identification....722
Disassembly And Assembly....723
Boom Offset And Blade Valve Section Disassembly And Assembly....725
Inlet/Upperstructure Swing Valve Section Disassembly And Assembly....729
HYDRAULIC PISTON PUMP....734
Hydraulic Pump Work Sheet....734
HYDRAULIC PISTON PUMP....737
Testing Information....737
Pump Testing....738
Removal And Installation....746
Coupler Removal And Installation....748
Torque Limiter Valve Parts Identification....749
Torque Limiter Valve Removal and Installation....750
Torque Limiter Valve Disassembly....751
Torque Limiter Valve Assembly....755
Initial Torque Limiter Valve Setting....759
Pump Control Parts Identification....761
Pump Control Removal And Installation....762
Pump Control Disassembly And Assembly....763
Parts Identification....768
Disassembly....769
Assembly....778
HYDRAULIC GEAR PUMP ....788
Removal And Installation....788
Parts Identification....790
Disassembly....791
Assembly....794
ACCUMULATOR....798
Description....798
Removal And Installation....798
TRAVEL MOTOR....800
Removal And Installation....800
Parts Identification....801
Disassembly....802
Assembly....819
SWIVEL JOINT....838
Removal And Installation....838
Parts Identification....840
Disassembly And Assembly....841
SWING MOTOR....844
Removal And Installation....844
Parts Identification....846
Disassembly....847
Assembly....853
SWING MOTOR DRIVE CARRIER....860
Removal And Installation....860
Parts Identification....862
Disassembly....863
Assembly....872
SWING BRAKE VALVE....886
Removal And Installation....886
Parts Identification....887
Disassembly And Assembly....888
SWING BRAKE RELEASE VALVE....890
Removal And Installation....890
Parts Identification....891
Disassembly And Assembly....892
JOYSTICK CONTROL PATTERN SELECTOR VALVE....894
Removal And Installation....894
Parts Identification....895
Disassembly And Assembly....896
JOYSTICK LOCKOUT/TWO SPEED VALVE....898
Removal And Installation....898
Parts Identification....900
Disassembly And Assembly....901
RIGHT CONTROL LEVER (JOYSTICK)....906
Testing....906
Handle Removal And Installation....907
Removal And Installation....908
Parts Identification....910
Disassembly And Assembly....911
LEFT CONTROL LEVER (JOYSTICK)....916
Testing....916
Handle Removal And Installation....917
Removal And Installation....918
Parts Identification....920
Disassembly and Assembly....921
TRAVEL LEVER/FOOT PEDAL VALVE....926
Left Travel Lever/Foot Pedal Valve Removal And Installation....926
Right Travel Lever/Foot Pedal Valve Removal And Installation....927
Parts Identification....929
Disassembly And Assembly....930
HYDRAULIC FILTER MOUNT....934
Removal And Installation....934
HYDRAULIC RESERVOIR....936
Removal And Installation....936
SECONDARY FRONT AUXILIARY VALVE....944
Removal And Installation....944
Parts Identification....945
Disassembly And Assembly....946
HYDRAULIC BREAKER APPLICATION VALVE....950
Removal And Installation....950
Parts Identification....951
Disassembly And Assembly....952
AUXILIARY HYDRAULIC FLOW CONTROL VALVE ....954
Removal And Installation....954
Parts Identification....955
Disassembly And Assembly....956
AUXILIARY HYDRAULIC FLOW CONTROL/HYDRAULIC BREAKER APPLICATION VALVE....958
Removal And Installation....958
Parts Identification....959
Disassembly And Assembly....960
BLADE VALVE....964
Removal And Installation....964
Parts Identification....965
Disassembly And Assembly....966
BLADE FLOAT VALVE....970
Removal And Installation....970
Parts Identification....971
Disassembly And Assembly....972
BOOM OFFSET VALVE....976
Removal And Installation....976
Parts Identification....977
Disassembly And Assembly....978
BOOM LOAD HOLDING VALVE....984
Removal And Installation....984
Parts Identification....985
Disassembly....986
Assembly....993
OIL TEMPERATURE REGULATOR....1000
Description....1000
Removal And Installation....1000
AUXILIARY HYDRAULICS SELECTOR VALVE....1002
Removal And Installation....1002
HYDRAULIC PISTON PUMP DRIVE COUPLER....1004
Removal And Installation....1004
UNDERCARRIAGE....1006
BLADE....1008
Removal And Installation....1008
TRACKS....1010
Track Lug Height....1010
Rubber Track Clearance....1011
Steel Track Clearance....1012
Track Adjustment....1013
Rubber Track Removal And Installation....1015
TRACK FRAME....1018
Disassembly And Assembly....1018
Drive Sprocket Removal And Installation....1022
TRACK IDLER....1024
Parts Identification....1024
Disassembly....1025
Assembly....1028
UPPER TRACK ROLLER....1034
Parts Identification....1034
Disassembly....1035
Assembly....1037
LOWER TRACK ROLLER....1042
Parts Identification....1042
Disassembly....1043
Assembly....1046
GREASE CYLINDER....1052
Parts Identification....1052
Disassembly....1053
Assembly....1054
TRACK DAMAGE IDENTIFICATION....1056
Cutting Of Steel Cords....1056
Abrasion Of Embedded Metals....1057
Separation Of Embedded Metals....1058
Separation Of Embedded Metals Due To Corrosion....1059
Cuts On The Lug Side Rubber....1060
Cracks On The Lug Side Rubber Due To Fatigue....1061
Lug Abrasion....1062
Cracks And Cuts On The Lug Side Rubber....1063
Abrasion Of The Track Roller Side....1064
Cuts On The Edges Of Track Roller Side....1065
UPPERSTRUCTURE & SWING SECTION....1068
UPPERSTRUCTURE....1070
Removal And Installation....1070
Swing Bearing Removal And Installation....1075
CAB....1078
Removal And Installation....1078
Door Removal And Installation....1085
Front Window Removal And Installation....1086
Front Window Disassembly And Assembly....1091
Front Window Gas Strut Removal And Installation....1094
Front Window Pivot Frame Removal And Installation....1095
Lower Front Widow Removal And Installation....1096
Door, Left Side, Right Side And Rear Window Removal....1097
Door, Left Side, Right Side And Rear Window Installation....1098
Cab Visor Removal And Installation....1100
Top Window Removal And Installation....1101
SEAT AND SEAT MOUNT....1102
Removal And Installation....1102
RIGHT CONSOLE....1104
Description....1104
LEFT CONSOLE....1106
Removal And Installation....1106
Disassembly And Assembly....1111
Console Lockout Switch Removal And Installation....1113
ENGINE SPEED CONTROL....1114
Removal And Installation....1114
Disassembly And Assembly....1116
CONTROL LEVERS....1118
Description....1118
FUEL TANK....1120
Removal And Installation....1120
HORN....1124
Removal And Installation....1124
SWING FRAME....1126
Removal And Installation....1126
Bushing Removal And Installation....1130
FLOOR MAT....1132
Removal And Installation....1132
BOOM....1134
Removal And Installation....1134
ARM....1142
Removal And Installation....1142
BUCKET....1146
Removal And Installation....1146
REAR COVER....1148
Removal And Installation....1148
RIGHT SIDE COVER....1150
Removal And Installation....1150
COUNTERWEIGHT....1154
Removal And Installation....1154
ELECTRICAL SYSTEM AND ANALYSIS....1158
ELECTRICAL SYSTEM INFORMATION....1160
Troubleshooting Chart....1160
Description....1161
Fuse And Relay Location....1162
BATTERY....1168
Servicing....1168
Removal And Installation....1169
Using A Booster Battery (Jump Starting)....1171
ALTERNATOR ....1174
Removal And Installation....1174
Parts Identification....1176
Alternator Identification....1177
Charging System Check....1177
STARTER....1180
Removal And Installation (S/N 522311001 & Above)....1180
Parts Identification (All Models)....1181
FRONT CAB LIGHT....1182
Removal And Installation....1182
Disassembly And Assembly....1183
TWO SPEED SWITCH....1186
Removal And Installation....1186
FUEL LEVEL SENDER....1188
Removal And Installation....1188
WIPER MOTOR....1190
Removal And Installation....1190
BATTERY DISCONNECT SWITCH....1192
Removal And Installation....1192
INSTRUMENT PANEL....1194
Removal And Installation....1194
E-Prom Information....1195
ENGINE SERVICE....1196
TROUBLESHOOTING....1198
Chart....1198
MUFFLER....1200
Removal And Installation....1200
AIR CLEANER....1202
Removal And Installation....1202
ENGINE....1204
Removal And Installation....1204
RADIATOR/OIL COOLER....1210
Removal And Installation....1210
Hydraulic Check Valve Removal And Installation....1214
Hydraulic Check Valve Disassembly And Assembly....1215
FLYWHEEL....1216
Removal And Installation....1216
Flywheel Ring Gear....1217
HEATING, VENTILATION, AIR CONDITIONING....1218
EVAPORATOR/HEATER UNIT ....1220
Removal And Installation....1220
Disassembly And Assembly....1224
HEATER/AC FAN....1230
Removal And Installation....1230
Resistor Removal And Installation....1232
AIR CONDITIONING SYSTEM FLOW....1234
Principles....1234
Chart....1235
COMPONENTS....1236
Identification....1236
SAFETY....1240
Safety Equipment....1240
REGULAR MAINTENANCE....1242
Heater Air Filter....1242
Air Conditioning Compressor Belt....1242
Cleaning The Condenser....1243
BASIC TROUBLESHOOTING....1244
Poor A/C Performance....1244
Compressor Drive Belt Inspection....1245
Cleaning The A/C Evaporator Coil & Heater Coil....1245
Cleaning The A/C Evaporator Coil & Heater Coil (S/N 528911001 & Above And 528611001 & Above)....1246
Checking The Electrical System....1248
Engine Coolant By-Passing The Heater Valve....1258
GENERAL AIR CONDITIONING SERVICE GUIDELINES....1260
Compressor Oil....1260
Compressor Oil Check....1260
Component Replacement And Refrigeration Leaks....1262
SYSTEM TROUBLESHOOTING CHART....1264
Blower Motor Does Not Operate....1264
Gauge Pressure Related Troubleshooting....1265
TEMPERATURE/PRESSURE....1268
Chart....1268
SYSTEM CHARGING AND RECLAMATION....1270
Reclamation Procedure....1270
COMPRESSOR....1274
Removal And Installation....1274
Compressor Clutch Disassembly And Assembly....1275
CONDENSOR....1280
Removal And Installation....1280
RECEIVER/DRYER....1282
Removal And Installation....1282
PRESSURE SWITCH....1284
Removal And Installation....1284
AIR CONDITIONING SYSTEM....1286
Evaporator Unit Removal And Installation....1286
Disassembly And Assembly....1289
Thermostat Removal And Installation....1292
Evaporator Removal And Installation....1292
Fan Removal And Installation....1293
ALPHABETICAL INDEX....1294
22990683 (6-12) - Ingersoll-Rand ZX75 Service Manual....1296
CONTENTS....1298
FOREWORD....1300
SAFETY INSTRUCTIONS....1302
Fire Prevention....1304
SERIAL NUMBER LOCATIONS....1306
Excavator Serial Number....1306
Engine Serial Number....1306
DELIVERY REPORT....1307
INGERSOLL RAND EXCAVATOR IDENTIFICATION....1308
MAINTENANCE SAFETY....1310
SPECIFICATIONS....1312
HYDRAULIC EXCAVATOR SPECIFICATIONS....1314
Machine Dimensions....1314
Performance....1315
Controls....1315
Engine ....1316
Electrical....1316
Hydraulic System....1316
Hydraulic System....1317
Hydraulic Cycle Times....1317
Swing System....1317
Hydraulic Cylinders....1317
Drive System....1318
Brakes....1318
Undercarriage....1318
Track....1318
Capacities....1319
Digging Force....1319
EXCAVATOR BOLT TORQUE....1320
Specifications....1320
TORQUE SPECIFICATIONS FOR BOLTS....1322
Torque For General SAE Bolts....1322
Torque For General Metric Bolts....1322
HYDRAULIC FLUID SPECIFICATIONS....1324
Specifications....1324
FUEL, COOLANT AND LUBRICANTS....1326
Chart....1326
CONVERSIONS....1328
Decimal And Millimeter Equivalents....1328
U.S. To Metric Conversion....1329
SAFETY AND MAINTENANCE....1330
LIFTING AND BLOCKING THE EXCAVATOR....1332
Procedure....1332
LIFTING THE EXCAVATOR....1334
Procedure....1334
OPERATOR CAB....1336
Description....1336
Entering And Exiting The Excavator....1336
Raising And Lowering The Left Console....1336
Emergency Exit....1337
TRANSPORTING THE EXCAVATOR....1338
REAR COVER....1340
Opening And Closing The Rear Cover....1340
RIGHT SIDE COVER....1342
Opening And Closing The Right Side Cover....1342
SERVICE SCHEDULE....1344
AIR CLEANER....1346
Daily Check....1346
Replacing The Filters....1346
FRESH AIR FILTER....1350
Removal And Installation....1350
FRESH AIR FILTER....1352
Removal And Installation....1352
FUEL SYSTEM....1354
Fuel Specifications....1354
Filling The Fuel Tank....1354
Pre-Filter Removal And Installation....1355
Fuel Filter Removal And Installation....1356
Draining The Fuel Tank....1357
ENGINE LUBRICATION SYSTEM....1358
Checking Engine Oil....1358
Replacing Oil And Filter....1359
HYDRAULIC SYSTEM....1362
Checking And Adding Hydraulic Oil....1362
Replacing The Hydraulic Oil....1363
Hydraulic Filter Removal....1364
Hydraulic Filter Installation ....1365
Hydraulic Filter Removal ....1367
Hydraulic Filter Installation....1368
Hydraulic Filter Installation ....1369
Diagnostic Couplers....1370
LUBRICATION OF THE EXCAVATOR....1372
TRAVEL MOTOR....1376
Checking Oil Level....1376
Draining The Travel Motor....1376
ALTERNATOR BELT....1378
Adjusting Belt Tension....1378
FAN/FUEL PUMP BELT....1380
Adjusting Belt Tension....1380
AIR CONDITIONING COMPRESSOR BELT....1382
Adjusting Belt Tension....1382
CAB TILT PROCEDURE....1384
Installing The Cab Tilt Hinges....1384
Tilting The Cab....1385
HYDRAULIC SYSTEM....1392
HYDRAULIC SYSTEM INFORMATION....1398
Troubleshooting Chart....1398
Description....1403
BOOM CYLINDER....1406
Testing....1406
Removal And Installation....1408
Parts Identification....1412
Disassembly....1413
Assembly....1418
ARM CYLINDER....1424
Testing....1424
Removal And Installation....1424
Parts Identification....1428
Disassembly....1429
Assembly....1434
BOOM OFFSET CYLINDER....1440
Testing....1440
BOOM OFFSET CYLINDER....1443
Removal And Installation....1443
Parts Identification....1447
Disassembly....1448
Assembly....1452
BUCKET CYLINDER....1460
Testing....1460
Removal And Installation....1460
Parts Identification....1464
Disassembly....1465
Assembly....1469
BLADE CYLINDER....1476
Testing....1476
Removal And Installation....1477
Parts Identification....1479
Disassembly....1480
Assembly....1485
RELIEF VALVES....1492
Description....1492
Testing The Three Spool Control Valve Main Relief Valve....1493
Adjusting The Three Spool Control Valve Main Relief Valve....1493
PORT RELIEF VALVES....1494
Adjustment Procedure....1494
PRESSURE REDUCING VALVE....1496
Description....1496
Testing....1496
PRESSURE REDUCING VALVE....1497
Adjustment....1497
DUMP VALVE....1498
Description....1498
Testing....1498
Adjustment....1498
Removal And Installation....1499
Parts Identification....1500
Disassembly And Assembly....1501
SIX SPOOL HYDRAULIC CONTROL VALVE....1506
Removal And Installation....1506
Control Valve Identification....1510
Disassembly And Assembly....1511
Left Travel And Right Travel Valve Section Disassembly And Assembly....1514
Boom, Arm, Bucket And Auxiliary Valve Section Disassembly And Assembly....1517
Inlet Valve Section Disassembly And Assembly....1522
THREE SPOOL HYDRAULIC CONTROL VALVE....1524
Removal And Installation....1524
Parts Identification....1526
Disassembly And Assembly....1527
Boom Offset And Blade Valve Section Disassembly And Assembly....1529
Inlet/Upperstructure Swing Valve Section Disassembly And Assembly....1533
HYDRAULIC PISTON PUMP....1538
Hydraulic Pump Work Sheet....1538
HYDRAULIC PISTON PUMP....1541
Testing Information....1541
Pump Testing....1542
Removal And Installation....1550
Coupler Removal And Installation....1552
Torque Limiter Valve Parts Identification....1553
Torque Limiter Valve Removal and Installation....1554
Torque Limiter Valve Disassembly....1555
Torque Limiter Valve Assembly....1559
Initial Torque Limiter Valve Setting....1563
Pump Control Parts Identification....1565
Pump Control Removal And Installation....1566
Pump Control Disassembly And Assembly....1567
Parts Identification....1572
Disassembly....1573
Assembly....1582
HYDRAULIC GEAR PUMP ....1592
Removal And Installation....1592
Parts Identification....1594
Disassembly....1595
Assembly....1598
ACCUMULATOR....1602
Description....1602
Removal And Installation....1602
TRAVEL MOTOR....1604
Removal And Installation....1604
Parts Identification....1605
Disassembly....1606
Assembly....1623
SWIVEL JOINT....1642
Removal And Installation....1642
Parts Identification....1644
Disassembly And Assembly....1645
SWING MOTOR....1648
Removal And Installation....1648
Parts Identification....1650
Disassembly....1651
Assembly....1657
SWING MOTOR DRIVE CARRIER....1664
Removal And Installation....1664
Parts Identification....1666
Disassembly....1667
Assembly....1676
SWING BRAKE VALVE....1690
Removal And Installation....1690
Parts Identification....1691
Disassembly And Assembly....1692
SWING BRAKE RELEASE VALVE....1694
Removal And Installation....1694
Parts Identification....1695
Disassembly And Assembly....1696
JOYSTICK CONTROL PATTERN SELECTOR VALVE....1698
Removal And Installation....1698
Parts Identification....1699
Disassembly And Assembly....1700
JOYSTICK LOCKOUT/TWO SPEED VALVE....1702
Removal And Installation....1702
Parts Identification....1704
Disassembly And Assembly....1705
RIGHT CONTROL LEVER (JOYSTICK)....1710
Testing....1710
Handle Removal And Installation....1711
Removal And Installation....1712
Parts Identification....1714
Disassembly And Assembly....1715
LEFT CONTROL LEVER (JOYSTICK)....1720
Testing....1720
Handle Removal And Installation....1721
Removal And Installation....1722
Parts Identification....1724
Disassembly and Assembly....1725
TRAVEL LEVER/FOOT PEDAL VALVE....1730
Left Travel Lever/Foot Pedal Valve Removal And Installation....1730
Right Travel Lever/Foot Pedal Valve Removal And Installation....1731
Parts Identification....1733
Disassembly And Assembly....1734
HYDRAULIC FILTER MOUNT....1738
Removal And Installation....1738
HYDRAULIC RESERVOIR....1740
Removal And Installation....1740
SECONDARY FRONT AUXILIARY VALVE....1748
Removal And Installation....1748
Parts Identification....1749
Disassembly And Assembly....1750
HYDRAULIC BREAKER APPLICATION VALVE....1754
Removal And Installation....1754
Parts Identification....1755
Disassembly And Assembly....1756
AUXILIARY HYDRAULIC FLOW CONTROL VALVE ....1758
Removal And Installation....1758
Parts Identification....1759
Disassembly And Assembly....1760
AUXILIARY HYDRAULIC FLOW CONTROL/HYDRAULIC BREAKER APPLICATION VALVE....1762
Removal And Installation....1762
Parts Identification....1763
Disassembly And Assembly....1764
BLADE VALVE....1768
Removal And Installation....1768
Parts Identification....1769
Disassembly And Assembly....1770
BLADE FLOAT VALVE....1774
Removal And Installation....1774
Parts Identification....1775
Disassembly And Assembly....1776
BOOM OFFSET VALVE....1780
Removal And Installation....1780
Parts Identification....1781
Disassembly And Assembly....1782
BOOM LOAD HOLDING VALVE....1788
Removal And Installation....1788
Parts Identification....1789
Disassembly....1790
Assembly....1797
OIL TEMPERATURE REGULATOR....1804
Description....1804
Removal And Installation....1804
AUXILIARY HYDRAULICS SELECTOR VALVE....1806
Removal And Installation....1806
HYDRAULIC PISTON PUMP DRIVE COUPLER....1808
Removal And Installation....1808
UNDERCARRIAGE....1810
BLADE....1812
Removal And Installation....1812
TRACKS....1814
Track Lug Height....1814
Rubber Track Clearance....1815
Steel Track Clearance....1816
Track Adjustment....1817
Rubber Track Removal And Installation....1819
TRACK FRAME....1822
Disassembly And Assembly....1822
Drive Sprocket Removal And Installation....1826
TRACK IDLER....1828
Parts Identification....1828
Disassembly....1829
Assembly....1832
UPPER TRACK ROLLER....1838
Parts Identification....1838
Disassembly....1839
Assembly....1841
LOWER TRACK ROLLER....1846
Parts Identification....1846
Disassembly....1847
Assembly....1850
GREASE CYLINDER....1856
Parts Identification....1856
Disassembly....1857
Assembly....1858
TRACK DAMAGE IDENTIFICATION....1860
Cutting Of Steel Cords....1860
Abrasion Of Embedded Metals....1861
Separation Of Embedded Metals....1862
Separation Of Embedded Metals Due To Corrosion....1863
Cuts On The Lug Side Rubber....1864
Cracks On The Lug Side Rubber Due To Fatigue....1865
Lug Abrasion....1866
Cracks And Cuts On The Lug Side Rubber....1867
Abrasion Of The Track Roller Side....1868
Cuts On The Edges Of Track Roller Side....1869
UPPERSTRUCTURE & SWING SECTION....1872
UPPERSTRUCTURE....1874
Removal And Installation....1874
Swing Bearing Removal And Installation....1879
CAB....1882
Removal And Installation....1882
Door Removal And Installation....1889
Front Window Removal And Installation....1890
Front Window Disassembly And Assembly....1895
Front Window Gas Strut Removal And Installation....1898
Front Window Pivot Frame Removal And Installation....1899
Lower Front Widow Removal And Installation....1900
Door, Left Side, Right Side And Rear Window Removal....1901
Door, Left Side, Right Side And Rear Window Installation....1902
Cab Visor Removal And Installation....1904
Top Window Removal And Installation....1905
SEAT AND SEAT MOUNT....1906
Removal And Installation....1906
RIGHT CONSOLE....1908
Description....1908
LEFT CONSOLE....1910
Removal And Installation....1910
Disassembly And Assembly....1915
Console Lockout Switch Removal And Installation....1917
ENGINE SPEED CONTROL....1918
Removal And Installation....1918
Disassembly And Assembly....1920
CONTROL LEVERS....1922
Description....1922
FUEL TANK....1924
Removal And Installation....1924
HORN....1928
Removal And Installation....1928
SWING FRAME....1930
Removal And Installation....1930
Bushing Removal And Installation....1934
FLOOR MAT....1936
Removal And Installation....1936
BOOM....1938
Removal And Installation....1938
ARM....1946
Removal And Installation....1946
BUCKET....1950
Removal And Installation....1950
REAR COVER....1952
Removal And Installation....1952
RIGHT SIDE COVER....1954
Removal And Installation....1954
COUNTERWEIGHT....1958
Removal And Installation....1958
ELECTRICAL SYSTEM AND ANALYSIS....1962
ELECTRICAL SYSTEM INFORMATION....1964
Troubleshooting Chart....1964
Description....1965
Fuse And Relay Location....1966
BATTERY....1972
Servicing....1972
Removal And Installation....1973
Using A Booster Battery (Jump Starting)....1975
ALTERNATOR ....1978
Removal And Installation....1978
Parts Identification....1980
Alternator Identification....1981
Charging System Check....1981
STARTER....1984
Removal And Installation (S/N 522311001 & Above)....1984
Parts Identification (All Models)....1985
FRONT CAB LIGHT....1986
Removal And Installation....1986
Disassembly And Assembly....1987
TWO SPEED SWITCH....1990
Removal And Installation....1990
FUEL LEVEL SENDER....1992
Removal And Installation....1992
WIPER MOTOR....1994
Removal And Installation....1994
BATTERY DISCONNECT SWITCH....1996
Removal And Installation....1996
INSTRUMENT PANEL....1998
Removal And Installation....1998
E-Prom Information....1999
ENGINE SERVICE....2000
TROUBLESHOOTING....2002
Chart....2002
MUFFLER....2004
Removal And Installation....2004
AIR CLEANER....2006
Removal And Installation....2006
ENGINE....2008
Removal And Installation....2008
RADIATOR/OIL COOLER....2014
Removal And Installation....2014
Hydraulic Check Valve Removal And Installation....2018
Hydraulic Check Valve Disassembly And Assembly....2019
FLYWHEEL....2020
Removal And Installation....2020
Flywheel Ring Gear....2021
HEATING, VENTILATION, AIR CONDITIONING....2022
EVAPORATOR/HEATER UNIT ....2024
Removal And Installation....2024
Disassembly And Assembly....2028
HEATER/AC FAN....2034
Removal And Installation....2034
Resistor Removal And Installation....2036
AIR CONDITIONING SYSTEM FLOW....2038
Principles....2038
Chart....2039
COMPONENTS....2040
Identification....2040
SAFETY....2044
Safety Equipment....2044
REGULAR MAINTENANCE....2046
Heater Air Filter....2046
Air Conditioning Compressor Belt....2046
Cleaning The Condenser....2047
BASIC TROUBLESHOOTING....2048
Poor A/C Performance....2048
Compressor Drive Belt Inspection....2049
Cleaning The A/C Evaporator Coil & Heater Coil....2049
Cleaning The A/C Evaporator Coil & Heater Coil (S/N 528911001 & Above And 528611001 & Above)....2050
Checking The Electrical System....2052
Engine Coolant By-Passing The Heater Valve....2062
GENERAL AIR CONDITIONING SERVICE GUIDELINES....2064
Compressor Oil....2064
Compressor Oil Check....2064
Component Replacement And Refrigeration Leaks....2066
SYSTEM TROUBLESHOOTING CHART....2068
Blower Motor Does Not Operate....2068
Gauge Pressure Related Troubleshooting....2069
TEMPERATURE/PRESSURE....2072
Chart....2072
SYSTEM CHARGING AND RECLAMATION....2074
Reclamation Procedure....2074
COMPRESSOR....2078
Removal And Installation....2078
Compressor Clutch Disassembly And Assembly....2079
CONDENSOR....2084
Removal And Installation....2084
RECEIVER/DRYER....2086
Removal And Installation....2086
PRESSURE SWITCH....2088
Removal And Installation....2088
AIR CONDITIONING SYSTEM....2090
Evaporator Unit Removal And Installation....2090
Disassembly And Assembly....2093
Thermostat Removal And Installation....2096
Evaporator Removal And Installation....2096
Fan Removal And Installation....2097
ALPHABETICAL INDEX....2098
Bobcat Ingersoll-Rand ZX75, ZX125 Excavators Repair Service Manuals + Operating & Maintenance Manuals
