John Deere Scrapers 762B Operation & Test Service Manual (TM1567)
Complete Operation & Test technical manual with Electrical Wiring Diagrams for John Deere Scrapers 762B, with all the workshop information to maintain, diagnose, and rebuild like professional mechanics.
John Deere Scrapers 762B workshop Operation & Test 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.
TM1567 - John Deere 762B Scrapers Technical Manual - Repair.PDF
TM1567 - John Deere 762B Scrapers Technical Manual - Repair.epub
PRODUCT DETAILS:
Total Pages: 803 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English
MAIN SECTIONS 762B (SN. from 791764)
Foreword
General Information
Safety
General Specifications
Torque Values
Fuels And Lubricants
Operational Checkout Procedure
Operational Checkout Procedure
Engine
Theory Of Operation
Diagnostic Information
Adjustments
Tests
Electrical System
System Information
System Diagrams
Sub-System Diagnostics
Adjustments And Additional Information
Power Train
Theory Of Operation
Diagnostic Information
Adjustments
Tests
Hydraulic System
Theory Of Operation
Diagnostic Information
Adjustments
Test
Heating And Air Conditioning
Theory Of Operation
System Operational Checks
Diagnostic Information
Adjustments
Test
TABLE OF CONTENTS...1
Section 9000: General Information...13
Group 01: Safety...13
Handle Fluids Safely-Avoid Fires...16
Prevent Battery Explosions...17
Prepare for Emergencies...18
Prevent Acid Burns...19
Handle Chemical Products Safely...21
Avoid High-Pressure Fluids...22
Park Machine Safely...23
Support Machine Properly...24
Wear Protective Clothing...25
Work in Clean Area...26
Service Machines Safely...27
Work In Ventilated Area...28
Illuminate Work Area Safely...29
Replace Safety Signs...30
Use Proper Lifting Equipment...31
Remove Paint Before Welding or Heating...32
Avoid Heating Near Pressurized Fluid Lines...33
Keep ROPS Installed Properly...34
Service Tires Safely...35
Avoid Harmful Asbestos Dust...36
Practice Safe Maintenance...37
Use Proper Tools...38
Dispose of Waste Properly...39
Live With Safety...40
Group 02: General Specifications...13
762B...43
762B Drain And Refill Capacities...45
Group 03: Torque Values...13
Unified Inch Bolt and Cap Screw Torque Values...47
Metric Bolt and Cap Screw Torque Values...48
Service Recommendations for O-Ring Boss Fittings...49
Service Recommendations for Flat Face O-Ring Seal Fittings...55
Service Recommendations for 37° Flare and 30° Cone Seat Connectors...53
Service Recommendations for Flat Face O-Ring Seal Fittings...55
Service Recommendations for Metric Series Four Bolt Flange Fitting...57
Group 04: Fuels And Lubricants...14
Fuel Specifications...60
Storing Fuel...61
Engine Oil...62
Hydraulic, Transmission, Drive Axle, And Elevator Gearbox Oils...63
Grease...64
Section 9005: Operational Checkout Procedure...65
Group 10: Operational Checkout Procedure...65
Complete Machine Operational Checkout...104
Section 9010: Engine...142
Group 05: Theory Of Operation...142
6466 John Deere Engine-USE CTM1...144
Description...145
Cross Section Of Engine...147
Aspirator Muffler Operation...149
Group 15: Diagnostic Information...142
6466 John Deere Engine-Use CTM1...178
Diagnose Engine Malfunctions...152
Group 20: Adjustments...142
6466 John Deere Engine-Use CTM1...178
Alternator, Fan And Compressor Belt Tension Adjustment...168
Slow And Fast Idle Adjustment...172
Speed Control Linkage Adjustment...174
Fuel Shut-Off Cable Adjustment...175
Bleed The Fuel System...176
Group 25: Tests...142
6466 John Deere Engine-Use CTM1...178
JT05801 Clamp-On Electronic Tachometer Installation...668
JT05800 Digital Thermometer Installation...669
Fuel Line Leakage Test...181
Air Cleaner Element Restriction Indicator Switch Test...182
Air Intake System Leakage Test...184
Engine Performance Test Using Turbocharger Boost Pressure...186
Engine Performance Test (Torque Converter Stall Speed)...188
Fuel Tank Supply Pump Pressure And Flow Tests...190
Radiator Air Flow Test...192
Section 9015: Electrical System...195
Group 05: System Information...195
Visually Inspect Electrical System...200
Electrical Circuit Malfunctions...201
High Resistance Circuit...203
Open Circuit...205
Grounded Circuit...207
Shorted Circuit...209
Multimeter...211
Seven Step Electrical Test Procedure...212
Wiring Diagram And Schematic Information...214
Reading A System Functional Schematic...228
Reading A Wiring Diagram...216
Electrical Schematic Symbols...220
Electrical Schematic Symbols...220
Electrical Schematic Symbols...220
Group 10: System Diagrams...195
Component Identification Table...223
Fuse (Blade-Type) Color Codes...225
Fuse Specifications...226
System Functional Schematic...228
Dash Harness (W1) Wiring Diagram...235
Dash Harness (W1) Component Location...236
Engine Harness (W2) Wiring Diagram...237
Engine Harness (W2) Component Location...238
Tractor Harness (W3) Wiring Diagram...239
Tractor Harness (W3) Component Location...240
Side Console Harness (W5) Wiring Diagram-Automatic Transmission...241
Side Console Harness (W5) Component Location-Automatic Transmission...242
Solenoid Harness (W8) Wiring Diagram-Automatic Transmission...243
Side Console Harness (W10) Wiring Diagram...244
Side Console Harness (W10) Component Location-Manual Transmission...245
Relay Harness (W13) Wiring Diagram-Automatic Transmission...246
Relay Harness (W13) Component Location-Automatic Transmission...247
Rear Frame Harness (W11) And Scraper Harness (W4) Wiring Diagram...248
Scraper Harness (W4) And Rear Frame Harness (W11) Component Location...249
Solenoid Harness (W14) Wiring Diagram-Manual Transmission...250
Solenoid Harness (W14) Component Location-Manual Transmission...251
Control Harness (W9) Wiring Diagram-Manual Transmission...252
Control Harness (W9) Component Location-Manual Transmission...253
Group 15: Sub-System Diagnostics...196
Starting And Charging Circuit Operational Information-Manual Transmission...255
Starting And Charging Circuit Theory Of Operation-Manual Transmission...256
Starting And Charging Circuit Schematic-Manual Transmission...257
Starting And Charging Circuit Operational Information-Automatic Transmission...268
Starting And Charging Circuit Theory Of Operation-Automatic Transmission...269
Starting And Charging Circuit Schematic-Automatic Transmission...270
Fuel Control Circuit Operational Information...282
Fuel Control Circuit Theory Of Operation...283
Fuel Control Circuit Schematic...284
Park Brake Circuit Specifications-Manual Transmission...289
Park Brake Circuit Operational Information-Manual Transmission...290
Park Brake Circuit Theory Of Operation-Manual Transmission...291
Park Brake Circuit Schematic-Manual Transmission...292
Park Brake Circuit Specifications-Automatic Transmission...302
Park Brake Circuit Operational Information-Automatic Transmission...303
Park Brake Circuit Theory Of Operation-Automatic Transmission...304
Park Brake Circuit Schematic-Automatic Transmission...306
Control Circuit Operational Information-Manual Transmission...316
Control Circuit Theory Of Operation-Manual Transmission...317
Control Circuit Schematic-Manual Transmission...318
Control Circuit Operational Information-Automatic Transmission...324
Control Circuit Theory Of Operation-Automatic Transmission...325
Control Circuit Schematic-Automatic Transmission...326
Seat Suspension Circuit Operational Information...331
Seat Suspension Circuit Theory Of Operation...332
Seat Suspension Circuit Schematic...333
Fuel Gauge, Hour Meter And Tachometer Circuit Specifications...336
Fuel Gauge, Hour Meter And Tachometer Circuit Operational Information...337
Fuel Gauge, Hour Meter And Tachometer Circuit Theory of Operation...338
Fuel Gauge, Hour Meter And Tachometer Circuit Schematic...339
Horn And Logic Module Circuit Operational Information...345
Horn And Logic Module Circuit Theory Of Operation...346
Horn And Logic Module Circuit Schematic...347
Start Aid, Differential Lock And Brake Priority Circuit Specifications...351
Start Aid, Differential Lock And Brake Priority Circuits Operational Information...352
Start Aid, Differential Lock And Brake Priority Circuits Theory Of Operation...353
Start Aid, Differential Lock And Brake Priority Circuit Schematic...354
Monitor Circuit Specifications...361
Monitor Circuit Operational Information...362
Monitor Circuit Theory Of Operation...363
Monitor Circuit Schematic...365
Work Light Circuit Operational Information...380
Work Light Circuit Theory Of Operation...381
Work Light Circuit Schematic...382
Turn Signal/Warning Light Circuit Operational Information...386
Turn Signal/Warning Light Circuit Theory Of Operation...387
Turn Signal/Warning Light Circuit Schematic...388
Brake Light Circuit Specifications...395
Brake Light, Drive Light And Secondary Brake Circuit Operational Information...396
Brake Light, Drive Light, And Secondary Brake Circuit Theory Of Operation...397
Brake Light, Drive Light And Secondary Brake Circuit Schematic...398
Windshield Wiper Circuit Operational Information...406
Windshield Wiper Circuit Theory Of Operation...407
Windshield Wiper Circuit Schematic...408
Dome Light And Air Conditioner Circuit Specifications...413
Dome Light And Air Conditioner Circuit Operational Information...414
Dome Light And Air Conditioner Circuit Theory Of Operation...415
Dome Light And Air Conditioner Circuit Schematic...726
Group 20: Adjustments And Additional Information...198
Logic Module Test In Machine...427
Logic Module Bench Test...430
Turn Signal/Warning Light Switch Test...432
Display Monitor Test...433
Alternator Operation-50 Amp Bosch...435
Alternator Voltage Output Test-50 Amp Bosch...437
Battery Operation...438
Battery Specifications...439
Diagnose Battery Malfunctions...440
Check Battery Electrolyte Level And Terminals...441
Procedure For Testing Batteries...444
Using Booster Batteries-24 Volt System...446
Section 9020: Power Train...448
Group 05: Theory Of Operation...448
Power Train Block Diagram...451
Torque Converter Operation...452
Transmission Hydraulic System Operation...454
Transmission Control Valve Operation...455
Transmission Filter And Filter Relief Valve Operation...460
Transmission Pump Operation...461
Pressure Regulating Valve And Converter Relief Valve Operation...462
Torque Converter Lockup Clutch Modulation Valve Operation...465
Transmission Lubrication System Operation...469
Transmission Operation...471
Shift Modulation Valve Circuit Operation...474
Transmission Power Flow...477
Automatic Shift Transmission Operation...489
Manual Shift Transmission Operation...491
Valve Module Operation...492
Differential Lock And Axle Lubrication Hydraulic System Operation...494
Differential Lock Solenoid Valve And Sequence Valve Operation...496
Differential Lock Operation...498
Tractor And Bowl Brakes, And Park Brake Circuit Operation...499
Tractor And Bowl Brake Accumulators Operation...501
Tractor And Bowl Brake Valve Operation...502
Tractor Brakes And Final Drive Operation...503
Bowl Brakes Operation...504
Secondary Brake Solenoid Valve Operation...506
Park Brake Operation...507
Group 15: Diagnostic Information...448
Diagnose Transmission Malfunctions...515
Diagnose Torque Converter Malfunctions...522
Diagnose Differential Lock Malfunctions...524
Diagnose Differential And Axle Malfunctions...527
Diagnose Tractor Or Bowl Brake Malfunctions...528
Diagnose Park Brake Malfunctions...529
Brake, Park Brake And Differential Lock Hydraulic System...532
Hydraulic System...532
Group 20: Adjustments...449
Bleed Brake Hydraulic System...535
Charge Tractor Or Bowl Brake Accumulator...537
Bowl Brakes Adjustment...540
Burnish Bowl Brake Shoe Facings...542
Park Brake Adjustment...543
Transmission Shift Lever Linkage Adjustment...546
Group 25: Tests...449
JT05801 Clamp-On Electronic Tachometer Installation...668
JT05800 Digital Thermometer Installation...669
Differential Lock And Axle Lubrication Hydraulic System, Transmission Hydraulic System Oil Warm-Up Procedure...553
Tractor Brake Pressure Test...555
Bowl Brake Pressure Test...558
Tractor And Bowl Brake Valve Leakage Test...561
Tractor And Bowl Brake Accumulator Charge Pressure Test...564
Tractor And Bowl Brake Accumulator Inlet Check Valve Leakage Test...567
Park Brake Pressure Test...570
Transmission Hydraulic System Test...573
Transmission Lube Flow Test...580
Transmission Pump Flow Test...582
Transmission Pressure Regulating Valve Test...585
Transmission Lube Pressure Test...587
Converter-In Pressure Test...589
Differential Lock Pressure Test...591
Differential Lock And Axle Lubrication Pump Flow Test...593
Section 9025: Hydraulic System...596
Group 05: Theory Of Operation...596
Main Hydraulic System Operation...602
Main Hydraulic Pump Operation...606
Stroke Control Valve Operation...608
Main Hydraulic Filter And Bypass Valve Operation...612
Steering System Operation...614
Steering Priority Valve Operation...616
Steering Valve Operation...620
Cushion Valve Operation...622
Bowl Control Valve Operation...624
Elevator Hydraulic System Operation...627
Group 15: Diagnostic Information...596
Diagnose Hydraulic System Malfunctions...636
Diagnose System Steering Malfunctions...640
Diagnose Elevator System Malfunctions...645
Hydraulic Circuit Symbols...647
Steering, Brake And Bowl Hydraulic System...648
Group 20: Adjustments...596
Elevator Start-Up Procedure...651
Elevator Pump Displacement Control Valve Adjustment...653
Steering System Bleeding Procedure...656
Adjust Cutting Edge Level...658
Elevator Chain Tension Adjustment...660
Sliding Floor Rail Guide Adjustment...662
Ejector Gate Clearance Adjustment...664
Elevator-To-Cutting Edge Clearance Adjustment...666
Group 25: Test...596
JT05801 Clamp-On Electronic Tachometer Installation...668
JT05800 Digital Thermometer Installation...669
Main Hydraulic Pump Standby Pressure Test...670
Main Hydraulic Pump Flow Test...673
Charge Pump Pressure Test...676
Charge Pump Flow Test...679
Bowl Control Valve System Relief Valve Pressure Test...682
Steering System Leakage Test...685
Steering Valve Leakage Test...687
Cushion Valve Crossover Relief Valve Pressure Test...690
Steering Priority Valve LS Port Flow Test...692
Steering Priority Valve Relief Valve Pressure Test...694
Steering Priority Valve Relief Valve Leakage Test...697
Hydraulic Cylinder Leakage Tests...699
Bowl Lift Cylinder Drift Test...704
Elevator High Pressure Relief Valve Test...706
Elevator Motor Leakage Test...709
Elevator Charge Pressure Test...712
Cycle Time Test...714
Hydraulic Oil Filter Inspection Procedure...715
Section 9031: Heating And Air Conditioning...716
Group 05: Theory Of Operation...716
Proper Refrigerant Handling...790
R12 And R134a Refrigerant Cautions...791
Refrigerant Theory Of Operation...721
Air Conditioning Circuit Specifications...723
Air Conditioning Circuit Operational Information...724
Air Conditioning Circuit Theory Of Operation...725
Air Conditioner Circuit Schematic...726
Receiver/Dryer Operation...727
Compressor Relief Valve Operation...729
Temperature Control...730
Group 10: System Operational Checks...716
Air Conditioning Operational Checks...742
Group 15: Diagnostic Information...716
Diagnose Air Conditioning Electrical Malfunctions...755
Air Conditioning Component Location...757
Air Conditioning Harness (W12) Component Location...758
Air Conditioning Harness (W12) Wiring Diagram...759
Group 20: Adjustments...716
Proper Refrigerant Handling...790
R12 And R134a Refrigerant Cautions...791
Refrigerant Hoses And Tubing Inspection...804
R12 Component Oil Charge...764
R12 Refrigerant Recovery, Recycling Station Installation Procedure...766
R12 Refrigerant Evacuation And Charging Station Installation Procedure...768
Recover R12 System...770
Evacuate R12 System...772
Charge R12 System...775
R134a Component Oil Charge...777
R134a Refrigerant Recovery, Recycling, And Charging Station Installation Procedure...779
Recover R134a System...781
Evacuate R134a System...783
Charge R134a System...786
Check And Adjust Compressor Belt Tension...788
Group 25: Test...717
Proper Refrigerant Handling...790
R12 And R134a Refrigerant Cautions...791
Air Conditioning System Test (R12)...792
R134a Air Conditioning System Test...795
Pressure Diagnostic Chart...796
Expansion Valve Bench Test And Adjustment...797
Low Pressure Switch Test...799
High Pressure Switch Test...801
Leak Testing...803
Refrigerant Hoses And Tubing Inspection...804
John Deere Scrapers 762B Operation & Test Service Manual (TM1567)
