John Deere Tractor Vermeer T655III Service Manual – PDF DOWNLOAD
FILE DETAILS:
John Deere Tractor Vermeer T655III Service Manual – PDF DOWNLOAD
Language : English
Pages :494
Downloadable : Yes
File Type : PDF
Size:25.8 MB
TABLE OF CONTENTS:
John Deere Tractor Vermeer T655III Service Manual – PDF DOWNLOAD
System MAP 5
General Table of Contents 6
Chapter 1 – General Information SS: 6
Chapter 2 – System Information SS: 6
Chapter 3 – Power Distribution SS: 6
Chapter 4 – Fluid Conditioning SS: 6
Chapter 5 – Engine SS: 6
Chapter 6 – Implement SS: 6
Chapter 7 – Ground Drive SS: 7
Chapter 8 – Attachment SS: 7
Chapter 9 – Cross Conveyor SS: 7
Chapter 10 – Auxiliary SS: 7
Chapter 11 – Load/Return Conveyor SS: 7
Chapter 12 – Cab SS: 7
Chapter 1: General Information 11
Using the Manual 11
Reference Publications 12
Vermeer Publications 12
Vendor Publications 12
Warranty Considerations 12
Vermeer Warranty 12
John Deere Warranty 12
Safety 13
Do Not Modify Machine 13
Maintain Operator Presence System 13
Replace Shields 13
Safety Symbol Explanation 14
Terminology 16
System 16
Subsystem 16
Circuit 16
MAP (Machine Analysis Page) 16
Inputs and Outputs 16
Reference Designators 17
Diagrams and Schematics 17
Chapter Organization 18
Chapter 3 18
Chapter 4 18
Chapter 5 18
Chapter 6 18
Chapter 7 18
Chapter 8 18
Chapter 9 18
Chapter 10 18
Chapter 11 18
Chapter 12 18
Theory 19
Troubleshooting 19
Repair 19
Addendum 19
Troubleshooting Guidelines 19
Problem-Solving Analysis 19
Fault Charts 20
Electrical Troubleshooting 21
Common Electrical Problems 21
Hydraulic Troubleshooting 23
Leakage Path Analysis 23
Pumps and Motors 23
Directional Control Valves 24
Cylinders 25
Required Tools 25
Hydraulic Connections 25
Avoid Trapped Pressure 25
Avoid Oil Contamination 26
Connecting Flow Meters 26
Connecting A Needle Valve 26
Connecting Pressure Gauges 27
Thermometer or Pyrometer 27
Digital Multimeter 28
Measuring Voltage 28
Measuring Resistance 28
Testing for Continuity 29
Measuring Current 29
Shop Requirements 30
Special Tools and Test Equipment 30
Personnel and Lifting Requirements 30
Replacement Parts 30
Part Numbers/Hose Lengths/Fitting Orientation 30
Parts Ordering 30
Torque Tables 30
Dynamic vs Static Torque 30
Flats After Finger- Tight 31
Pipe Thread Fittings 32
Face Seal Fittings with O-Rings 33
Flare Fittings 34
37 Flare JIC Tube Nuts & Swivel Nuts 35
45 Flare Fittings 36
Air Brake Fittings 37
Air Conditioning Fittings 38
O-Ring Boss Plug 39
Drain Plugs 40
Hose Clamps 40
Constant Torque Hose Clamp 40
Band Type Hose Clamp 41
Bulkhead Nut 41
SAE Grade 2, Grade 5, and Grade 8 Cap Screws and Bolts 42
Metric Grade 58, 69, 88, 109, & 129 Cap Screws and Bolts 43
Grade B, C, F, and G Lock Nuts 44
Chapter 2: System Information 47
Shutdown Procedure 47
Emergency Stop Circuit 48
Switch – Reset 48
Intended Use 49
T655III Specifications 49
Machine Reference and Orientation 49
Power Distribution Subsystem 50
Batteries 50
Alternator 50
Engine Subsystem 50
Implement Subsystem 50
Electrical 50
Hydraulic 50
Ground Drive Subsystem 51
Electrical 51
Hydraulic 51
Attachment Subsystem 51
Electrical 51
Hydraulic 51
Cross Conveyor Subsystem 52
Hydraulic 52
Auxiliary Subsystem 52
Electrical 52
Hydraulic 52
Load/Return Conveyor Subsystem 52
Hydraulic 52
Fluid and Lubricants 53
Trencher Electronic Control 54
TEC 2000 Microprocessor A5 & Display DS4 54
Microprocessor Identification 56
Pin Designations and Functions 57
Machine Interlock Functions 59
Engine Start Interlocks 59
Operator Presence Interlock 60
Default Screens 61
View Screens 62
Steering Knob 62
Propel Lever 62
Load Control Knob 62
Attachment Speed Knob 62
Track Pumps EDC Command 62
Track Pumps EDC Volts 62
Track Motor Speed 63
Hydraulic Oil and Engine Coolant Temperatures 63
Sensor Supply 63
Machine Model 63
Software ID 63
Setup Screens 63
Maximum Propel in Trench Mode 63
Maximum Load Control Adjustment 64
Attachment ESL (Electronic Stroke Limiter) 64
Language Adjustment 64
Display Units 64
Fault Mode 64
Slow Speed Mode 64
View Angle 64
Modify Screens 65
Trench Low (Slow Speed Mode) 65
Fault Screens 66
Fault Table 67
Microprocessor Troubleshooting 68
Welding Precautions 68
Troubleshooting Table 69
Calibration 71
Calibrating Single Components 73
Chapter 3: Power Distribution Subsystem 77
Overview 77
Circuits/Components 77
Component Locations 78
Ignition ON Circuit 79
Operation 79
Batteries BT1 & BT2 80
Ignition Switch S9 80
Ground Disconnect Switch S3 81
Circuit Breaker CB1 81
Emergency Stop Switch S8 81
Power Relays K3 & K4 82
Fuse Box A4 82
Chapter 3: Power Distribution Subsystem 85
Overview 85
Pretest Inspection 85
Test Equipment Needed 85
Ignition ON Circuit 85
Electrical Troubleshooting 85
Testing Sequence 86
Power Source Distribution MAP 86
Component Pin/ Terminal Reference 87
Source Voltage Test 88
Open Circuit Test 88
High Resistance 89
Short Circuit Test 89
Chapter 3: Power Distribution Subsystem 91
Summary 91
Chapter 4: Fluid Conditioning Subsystem 95
Overview 95
Circuits/Components 95
Component Locations 96
Oil Supply and Return Circuits 97
Operation 97
Chapter 4: Fluid Conditioning Subsystem101
Overview101
Possible Malfunctions101
Test Equipment Needed101
Oil Supply and Return Circuits102
Excessive Noise102
Noise Associated with a Pump102
Filtering103
Noise Associated with a Relief Valve104
Excessive Vibration104
Excessive Heat104
Oil Cooler and Thermal Bypass Valves105
Hydraulic Oil Sampling105
Oil Leakage107
Chapter 4: Fluid Conditioning Subsystem109
Summary109
Chapter 5: Engine Subsystem113
Overview113
MAP113
Circuits/Components113
Component Locations115
Engine ENG1117
Engine Control Unit118
Engine Shutdown118
Murphy PowerView119
Accessing Engine Fault Codes (PowerView)119
Clearing Engine Fault Codes (PowerView)120
Interpreting John Deere Engine Fault Codes121
Engine Speed PPU Circuit125
Magnetic Pickup PPU125
Coolant Circuit126
Air Intake/Exhaust Circuit127
Air Cleaner128
Fuel Circuit129
Ignition START/RUN Circuit130
Cold Start Circuit131
Throttle Circuit133
Charge Circuit133
Gauge Circuit134
Chapter 5: Engine Subsystem135
Overview135
Pretest Inspection135
Possible Malfunctions135
Test Equipment Needed136
Engine136
Engine Service136
Engine Maintenance136
Engine Speed PPU Circuit137
Magnetic Pickup Sensor Hertz Test137
Coolant Circuit138
Coolant Level Check138
Air Intake/Exhaust Circuit138
Air Cleaner139
Turbocharger and Aftercooler139
Fuel Circuit140
Fuel Tanks, Lines, Filters, and Strainers140
Water in Fuel140
Ignition START/RUN Circuit141
Possible Malfunctions141
Engine Start Interlock Faults141
Electrical Troubleshooting142
Circuit MAP142
Testing Sequence142
Component Pin/ Terminal Reference143
Open Circuit Test144
High Resistance144
Short Circuit Test144
Cold Start Circuit145
Throttle Circuit145
Charge Circuit146
Alternator G1146
Fuel Gauge Circuit147
Fuel Gauge147
Voltage Test147
Open Sensor Test147
Sensor Ground Test147
Chapter 5: Engine Subsystem149
Summary149
Chapter 6: Implement Subsystem155
Overview155
MAP155
Circuits/Components156
Component Locations158
Control Panel Component Locations160
Hydraulic Hose Connections – Supply and Return161
Hydraulic Hose Connections – Standard 6-Bank Valve Configuration162
Hydraulic Hose Connections – (Optional) 10-Bank Valve Configuration163
Pressure-Flow Standby Circuit164
Hydraulic Pressure-Flow Compensated Pump PFC1164
Control Valve Assembly A1166
Left Track Level Circuit167
Operation167
Cylinder – Extend (Raise)168
Cylinder – Retract (Lower)168
Counterbalance Valves168
Auto Level168
Right Track Level Circuit169
Operation169
Cylinder – Extend (Raise)169
Cylinder – Retract (Lower)169
Counterbalance Valves169
Auto Level169
Left Track Tilt Circuit170
Operation170
Port Relief Valves170
Cylinder – Extend (Tilt Inward)171
Cylinder – Retract (Tilt Outward)171
Right Track Tilt Circuit171
Operation171
Port Relief Valves172
Cylinder – Extend (Tilt Inward)172
Cylinder – Retract (Tilt Outward)172
Trench Cleaner Fold Circuit173
Operation173
Port Relief Valve173
Cylinder – Extend (Lower)174
Cylinder – Retract (Raise)174
Counterbalance Valve174
Trencher Boom Lift Circuit174
Operation – Standard Configuration174
Cylinder – Extend (Lower)175
Cylinder – Retract (Raise)175
Lock Valve LCK1175
Counterbalance Valves175
Operation – Optional Auto Down Pressure Configuration176
Cylinder – Extend (Lower)176
Cylinder – Retract (Raise)176
Lock Valve LCK1177
Counterbalance Valves177
Trench Cleaner Shoe Circuit (Optional)177
Operation177
Cylinder – Extend (Lower)178
Cylinder – Retract (Raise)178
Lock Valve LCK3178
Counterbalance Valve178
Conveyor Fold Circuit (Optional)178
Operation178
Cylinder – Extend (Lower)179
Cylinder – Retract (Raise)179
Counterbalance Valve179
Conveyor Shift Circuit (Optional)179
Operation179
Port Relief Valves180
Conveyor – Shift Left180
Conveyor – Shift Right180
Dirt Drags Circuit (Optional)181
Operation181
Cylinder – Extend (Lower)181
Cylinder – Retract (Raise)181
Lock Valve LCK2181
Chapter 6: Implement Subsystem183
Overview183
Pretest Inspection183
Fault Chart184
Test Equipment Needed184
Component Repair/Replace184
Fault Chart185
Shared Hydraulic Components186
Fluid Conditioning Subsystem186
Implement Pump PFC1186
Directional Control Valve Assembly A1186
Pump PFC1 Hydraulic Test Procedure187
Analyzing Test Results189
Compensator – Check191
Pump Port Designations191
Left and Right Machine Level Circuits192
Electrical Troubleshooting192
Testing Sequence192
Control Valve Reference193
Component Pin/ Terminal Reference194
Open Circuit Test195
High Resistance Test195
Short Circuit Test196
Auto Level Circuit196
Hydraulic Troubleshooting197
Cylinder Test Procedure197
Analyzing Cylinder Test Results199
Left and Right Track Tilt Circuits200
Electrical Troubleshooting200
Testing Sequence200
Hydraulic Troubleshooting201
Trench Cleaner Fold Circuit202
Electrical Troubleshooting202
Testing Sequence202
Hydraulic Troubleshooting203
Trencher Boom Lift Circuit204
Electrical Troubleshooting204
Testing Sequence204
Hydraulic Troubleshooting205
Trench Cleaner Shoe Circuit206
Electrical Troubleshooting206
Testing Sequence206
Hydraulic Troubleshooting207
Conveyor Fold Circuit208
Electrical Troubleshooting208
Testing Sequence208
Hydraulic Troubleshooting209
Dirt Drags Circuit210
Electrical Troubleshooting210
Testing Sequence210
Hydraulic Troubleshooting211
Conveyor Shift Circuit212
Electrical Troubleshooting212
Testing Sequence212
Hydraulic Troubleshooting212
Pump Worksheet213
Cylinder Worksheet214
Chapter 6: Implement Subsystem215
Introduction215
Components215
Hydraulic Repair215
Pump PFC1216
Remove216
Install216
Pump Shaft Seal216
Replace216
Pump Pressure-Flow Compensator Assembly217
Replace217
Pump Start-Up Procedure218
Directional Control Valve Assembly A1219
Remove219
Valve Section Seals220
Replace220
Valve Spool Seals221
Replace221
Valve Section Relief Valves221
Seals – Replace221
Poppet / Piston Ring – Replace222
Valve Section Solenoid Cartridge Valve222
Seals – Replace222
Cylinders223
Special Tools223
Cylinder Disassembly Precautions224
Cylinder Disassembly225
Cylinder Rod Removal226
For Threaded Gland226
For Retaining Wire Gland226
Stuck Rod Removal228
Manual Procedure228
Pressure Procedure229
Piston Removal231
Seal Information Reference233
Piston Install234
Rod Install235
Threaded Gland Tightening Procedures237
Retaining Wire Gland Tightening Procedures237
Cylinder Post Repair Check239
Cylinder Lock Valves241
Remove241
Install241
Seals – Replace242
Conveyor Shift Motor B1242
Remove242
Install242
Motor Seals – Replace243
Chapter 7: Ground Drive Subsystem249
Overview249
MAP249
Circuits/Components251
Component Locations252
Hydraulic Hose Connections – (Right Track Shown)254
Left and Right Track Drive Circuits255
Operation – Electrical Control Circuits/Components255
TEC 2000 Microprocessor A5256
Propel Control256
Drive Motor PPUs257
REVERSE Travel Alarm Circuit257
Steering Control258
2-Speed/Park Brake Control258
2-Speed Operation258
Park Brake Operation260
Brakes – Applied260
Brakes – Released261
Operation – Track Drive Hydrostatic Circuits262
Pump PMP4263
EDC (Electronic Displacement Control)263
Charge Pressure Circuit264
Multifunction Valves MF1 & MF2265
Track Drive Motor B6265
Chapter 7: Ground Drive Subsystem267
Overview267
Pretest Inspection267
Fault Charts268
Test Equipment Needed268
Component Repair/Replace268
Fault Charts269
Track Drive Function Does Not Operate in Either Direction269
Track Drive Function Operates in One Direction Only270
Track Drive Function Response is Sluggish/Slow in Both Directions271
Park Brake & 2-Speed Circuits272
Left and Right Track Drive Circuits273
Electrical Control Circuits/Components273
TEC 2000 Microprocessor273
Display Faults273
Troubleshooting Table274
Testing Control Circuits276
Control Circuits MAP276
Component Pin/ Terminal Reference277
Open Circuit Test278
High Resistance Test278
Short Circuit Test278
Track Motor PPUs279
PPU – Install/Adjust279
Track Drive Hydrostatic Circuits280
Charge Pressure280
Charge Pressure – Check280
Charge Pressure – Adjust281
System Pressure282
System Pressure – Check282
Towing283
Releasing Bypass Valves283
Releasing Park Brakes283
Restoring System284
Track Drive Motor Case Drain Flow Test284
Oil Sampling284
Analyzing Motor Test Results286
Park Brake and 2-Speed Circuits286
Pressure Reducing Valve287
Park Brake Circuit288
Electrical Troubleshooting289
Hydraulic Troubleshooting289
2-Speed Circuit289
Electrical Troubleshooting290
Hydraulic Troubleshooting290
Chapter 7: Ground Drive Subsystem291
Introduction291
Components291
Hydraulic Repair291
General Guidelines When Servicing the Hydrostatic Drives291
Avoid Oil Contamination292
Track Drive Pumps PMP4 & PMP5293
Remove293
Install294
Pump Multifunction Valves295
Remove295
Install296
High Pressure Limiter – Adjust296
Pump EDC (Electric Displacement Control)297
PCP (Pressure Control Pilot) – Remove297
EDC – Remove298
Install298
EDC Neutral Setting – Adjust299
Track Drive Motors B6 & B7301
Remove301
Install302
Park Brake/2-Speed Valve A2302
Remove302
Install302
Cartridge Valves303
Remove303
Install303
Seals – Replace303
Mechanical Repair304
Planetary Gearbox/Sprocket304
Remove304
Install305
Planetary Brakes306
Replace306
Tracks308
Remove308
Install309
Track Tension311
Adjust311
Idler Wheel & Tensioning Cartridge312
Remove312
Install312
Rollers313
Remove313
Install313
Chapter 8: Attachment Subsystem317
Overview317
MAP317
Circuits/Components318
Component Locations319
Hydraulic Hose Connections321
Attachment Drive Circuit322
Operation322
Microprocessor A5323
Attachment Control Circuit324
Pumps PMP2 & PMP3325
EDC (Electronic Displacement Control)325
Charge Pressure Circuit326
Multifunction Valves MF1 & MF2327
Attachment Manifold A3 and Drive Motor B5328
High Pressure Circuit328
Shuttle Valve SV1328
Thermal Bypass Valves FC1 & FC2329
Pressure Relief Operation329
Hydraulic Oil Temperature Switch TS1330
Chapter 8: Attachment Subsystem331
Overview331
Pretest Inspection331
Fault Charts331
Test Equipment Needed332
Component Repair/Replace332
Fault Charts333
Attachment Drive Function Does Not Operate in Either Direction333
Attachment Drive Function Operates in One Direction Only334
Attachment Drive Function Response Is Sluggish/Slow in Both Directions335
Attachment Drive Circuit336
Attachment Control Circuits/Components336
TEC 2000 Microprocessor336
Display Faults336
Troubleshooting Table337
Testing Control Circuits338
Control Circuits MAP338
Component Pin/ Terminal Reference339
Open Circuit Test340
High Resistance Test340
Short Circuit Test340
Attachment Drive Hydrostatic Circuit341
Charge Pressure341
Charge Pressure – Quick Check341
Individual Pump – Check342
Charge Pressure – Adjust343
Charge Pressure – Filter Switches343
System Pressure344
System Pressure – Check344
Individual Pump – Check344
Attachment Motor Case Drain Flow Test345
Oil Sampling345
Analyzing Motor Test Results347
Chapter 8: Attachment Subsystem349
Introduction349
Components349
Hydraulic Repair349
General Guidelines When Servicing the Hydrostatic Drive349
Avoid Oil Contamination350
Attachment Drive Pumps PMP2 & PMP3351
Remove351
Install352
Pump EDC (Electric Displacement Control)353
Replace/Repair353
Pump Multifunction Valves353
Replace/Repair353
High Pressure Relief – Adjust353
Shuttle Valve – Adjust354
Trencher Drive Motor B5355
Remove355
Install356
Manifold Valve Assembly357
Remove357
Seals – Replace357
Mechanical Repair358
Digging Chain358
Remove358
Install359
Digging Chain Tension360
Adjust360
Trench Cleaner362
Adjust362
End Idler Assembly363
Remove363
Install364
Headshaft Assembly365
Remove365
Headshaft Bearings368
Remove368
Install370
Heating Bearings370
Chapter 9: Cross Conveyor Subsystem375
Overview375
Circuits/Components376
Component Locations377
Hydraulic Hose Connections378
Flat Conveyor Rotation Circuit379
Operation379
Spoil Discharge380
Curved Conveyor Rotation Circuit380
Operation380
Chapter 9: Cross Conveyor Subsystem381
Overview381
Pretest Inspection381
Fault Chart381
Test Equipment Needed382
Component Repair/Replace382
Fault Chart383
Conveyor Rotation Circuit384
Hydraulic Troubleshooting384
System Pressure – Check384
Pressure Relief Valve PRL1 Test Procedure385
Analyzing Test Results386
Hydraulic Circuit Test Procedures387
Pump PMP1 – Test387
Analyzing Test Results389
Directional Control Valve DC1 – Test390
Analyzing Test Results391
Motors B2, B3, B4 – Test391
Analyzing Test Results394
Pump Worksheet396
Motor Worksheet (Flat Conveyor)397
Motor Worksheet (Curved Conveyor)398
Curved Conveyor Motor Connections399
Chapter 9: Cross Conveyor Subsystem401
Introduction401
Components401
Hydraulic Repair401
Pump PMP1402
Remove402
Install402
Pump Seals403
Replace403
Directional Control Valve DC1403
Remove403
Install403
Directional Control Valve Seals404
Replace404
Neutral Safety Switch404
Replace404
Relief Valve PRL1405
Remove405
Install405
Relief Valve Seals406
Replace406
Relief Valve – Adjust406
Flat Conveyor Drive Motor B4407
Remove407
Install407
Curved Conveyor Drive Motors B2 & B3408
Remove408
Install408
Mechanical Repair409
Complete Conveyor Assembly409
Remove409
Install409
Conveyor Belt410
Remove410
Install410
Belt – Adjust410
Conveyor Belt Flashing411
Remove411
Install411
Curved Conveyor Paddle Wheel Drive Bearings412
Remove412
Install413
Flat Conveyor Paddle Wheel Drive Bearings413
Remove413
Install414
Flat Conveyor Idler Wheel Bearings414
Remove414
Install415
Conveyor Shift Gearbox and Bearing415
Remove415
Install416
Chapter 10: Auxiliary Subsystem419
Overview419
MAP419
Circuits/Components420
Hydraulic Hose Connections421
Implement Subsystem Pressure-Flow Standby422
Coulter Wheel Circuit422
Operation422
Cylinder – Extend (Lower)422
Cylinder – Retract (Raise)422
Crane Swing Circuit423
Operation423
Cylinder – Extend (Swing Crane Right)423
Cylinder – Retract (Swing Crane Left)423
Crane Lift Circuit424
Operation424
Cylinder – Extend (Lower)424
Cylinder – Retract (Raise)424
Chapter 10: Auxiliary Subsystem425
Overview425
Pretest Inspection425
Fault Chart425
Test Equipment Needed426
Component Repair/Replace426
Fault Chart427
Shared Component Troubleshooting428
Coulter Wheel Circuit429
Electrical Troubleshooting429
Testing Sequence429
Control Valve Reference429
Component Pin/ Terminal Reference430
Open Circuit Test431
High Resistance Test431
Short Circuit Test431
Hydraulic Troubleshooting432
Cylinder Test Procedure432
Analyzing Cylinder Test Results434
Crane Swing Circuit435
Electrical Troubleshooting435
Testing Sequence435
Hydraulic Troubleshooting436
Crane Lift Circuit437
Electrical Troubleshooting437
Testing Sequence437
Cylinder Worksheet439
Chapter 10: Auxiliary Subsystem441
Introduction441
Components441
Hydraulic Repair441
Control Valve Assembly A10441
Remove442
Section Seals – Replace443
Install443
Solenoid and Check Valve Cartridges443
Seals – Replace443
Solenoid Coil – Replace444
Cylinders444
Cylinder Lock Valve444
Remove445
Install445
Seals – Replace445
Chapter 11: Load/Return Conveyor Subsystem449
Overview449
Circuits/Components450
Component Locations451
Hydraulic Hose Connections452
Conveyor Rotation Circuit453
Operation453
Spoil Discharge454
Chapter 11: Load/Return Conveyor Subsystem455
Overview455
Pretest Inspection455
Fault Chart455
Test Equipment Needed456
Component Repair/Replace456
Fault Chart457
Conveyor Rotation Circuit458
Hydraulic Troubleshooting458
System Pressure – Check458
Hydraulic Circuit Test Procedures459
Pump PMP6 – Test459
Analyzing Test Results461
Directional Control Valve DC2 – Test462
Analyzing Test Results463
Motors B8 & B9 – Test463
Analyzing Test Results466
Pump Worksheet468
Motor Worksheet469
Chapter 11: Load/Return Conveyor Subsystem471
Summary471
Chapter 12: Cab Subsystem475
Overview475
Circuits/Components475
Component Locations476
Hose Connections478
Air Conditioning/Heater Circuits479
Operation479
Control Circuits479
Air Conditioning Circuit479
Heater Circuit480
Windshield Wipers and Accessory Circuits481
Operation481
Control Circuits481
Horn Circuit482
Operation482
Chapter 12: Cab Subsystem483
Overview483
Pretest Inspection483
Test Equipment Needed483
Component Repair/Replace484
Air Conditioning/Heater Circuits484
Possible Malfunctions484
Cab Control Circuits Troubleshooting485
Open Circuit Test485
High Resistance Test485
Short Circuit Test486
Air Conditioner Circuit Troubleshooting486
Abnormal Cycle487
Normal Cycle488
Heater Circuit Troubleshooting488
Horn Circuit490
Chapter 12: Cab Subsystem491
Summary491
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- This is the SAME exact manual used by your dealers to fix your vehicle.
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S.M