John Deere Motor Graders 670B, 672B, 770B, 770BH, 772B, 772BH Operation & Test Service Manual (TM1452)
Complete Diagnosis & Operation manual with Electrical Wiring Diagrams for John Deere Motor Graders 670B, 672B, 770B, 770BH, 772B, 772BH, with all the shop information to maintain, diagnose, and service like professional mechanics.
John Deere Motor Graders 670B, 672B, 770B, 770BH, 772B, 772BH workshop Diagnostics & 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.
TM1452 - John Deere Motor Graders 670B, 672B, 770B, 770BH, 772B, 772BH Technical Manual - Operation & Test.PDF
TM1452 - John Deere Motor Graders 670B, 672B, 770B, 770BH, 772B, 772BH Technical Manual - Operation & Test.EPUB
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Total Pages: 1,598 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
MAIN SECTIONS
Foreword
General Information
Safety
General Specifications
Torque Values
Fuels And Lubricants
Operational Checkout Procedure
Operational Checkout Procedure
Engine
Theory Of Operation
System Operational Checks
Diagnostic Information
Adjustments
Tests
Electrical System (SN -543489)
Electrical System Operation And Test (SN -543489)
Electrical System (SN 543490-)
System Information
System Diagrams
Sub-System Diagnostics
Adjustments And Additional Information
Hydraulic Front Wheel Drive
Theory Of Operation
System Operational Checks
Diagnostic Information
Adjustments
Tests
Power Train
Theory Of Operation
System Operational Checks
Diagnostic Information
Adjustments
Tests
Hydraulic System
Theory Of Operation
Operational Checks
Diagnose Malfunctions
Adjustment
Test
Heating And Air Conditioning
Theory Of Operation
System Operational Checks
Diagnostic Information
Adjustments
Tests
tm1452 - 670B, 672B 770B, 770BH 772B, 772BH Motor Graders Operation and Tests
Table of Contents
Foreword
Section 9000: General Information
Group 01: Safety
Handle Fluids Safely-Avoid Fires
Prevent Battery Explosions
Prepare for Emergencies
Prevent Acid Burns
Handle Chemical Products Safely
Avoid High-Pressure Fluids
Park Machine Safely
Support Machine Properly
Wear Protective Clothing
Work in Clean Area
Service Machines Safely
Work In Ventilated Area
Illuminate Work Area Safely
Replace Safety Signs
Use Proper Lifting Equipment
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Keep ROPS Installed Properly
Service Tires Safely
Avoid Harmful Asbestos Dust
Practice Safe Maintenance
Use Proper Tools
Dispose of Waste Properly
Live With Safety
Group 02: General Specifications
670B And 672B Specifications
770B, 770BH, And 772BH Specifications
Group 03: Torque Values
Hardware Torque Specifications
Metric Bolt and Cap Screw Torque Values
Additional Metric Cap Screw Torque Values
Unified Inch Bolt and Cap Screw Torque Values
Check Oil Lines And Fittings
Service Recommendations for O-Ring Boss Fittings
Service Recommendations for Flat Face O-Ring Seal Fittings
Service Recommendations for Metric Series Four Bolt Flange Fitting
Service Recommendations For Inch Series Four Bolt Flange Fittings
Group 04: Fuels And Lubricants
Fuel Specifications
Low Sulfur Diesel Fuel Conditioner
Storing Fuel
Do Not Use Galvanized Containers
Fuel Tank
Engine Oil
Transmission, Hydraulic System, Tandem Drive, And Wheel Motor Oil
Circle Drive Gearbox Oil
Grease
Alternative and Synthetic Lubricants
Lubricant Storage
Mixing of Lubricants
Diesel Engine Coolant
Section 9005: Operational Checkout Procedure
Group 10: Operational Checkout Procedure
Operational Checkout Record Sheet670B, 672B, 770B, 770BH, 772B, 772BHMotor Graders
Complete Machine Operational Checkout
Section 9010: Engine
Group 05: Theory Of Operation
6414 John Deere Engine-Use CTM4
6068 John Deere Engine-Use CTM8
6466 John Deere Engine-Use CTM1
6076 John Deere Engine-Use CTM42 (SN 500000-)
Air Cleaner Operation
Radiator Surge Tank-770B, 770BH, 772BH (SN 543490-)
Aspirator Muffler Operation-770B, 770BH, 772B, 772BH
Dual Power Control System Operation In Low Power Mode-770BH, 772BH (SN -543489)
Dual Power Control System Operation In High Power Mode-770BH, 772BH (SN -543489)
Electronic Fuel Injection System-770BH, 772BH (SN 543490-)
Fuel System Operation-770BH, 772BH (SN 543490-)
Turbocharger Operation
Wastegated Turbochargers
Group 10: System Operational Checks
Engine Operational Checks
Group 15: Diagnostic Information
Diagnose Engine Malfunctions
Group 20: Adjustments
JT05801 Clamp-On Electronic Tachometer Installation
Electronic Injection Pump Service Connectors-J3, J4, J5, J6-770BH, 772BH (SN 543490-)
Using The Electronic Governor Tester, JT05829-770BH, 772BH(SN 543490-)
Bleed The Fuel System
Fan Belt Tension Adjustment
Slow And Fast Idle Adjustment-670B, 672B
Slow And Fast Idle Adjustment-770B, 770BH, 772B, 772BH (SN -543489)
Slow And Fast Idle Adjustment-770B (SN 543490-)
Slow And Fast Idle Adjustment-770BH, 772BH (SN 543490-)
Engine Speed Linkage Adjustment-670B, 672B
Engine Speed Linkage Adjustment-770B, 770BH, 772B, 772BH (SN -543489)
Engine Speed Linkage Adjustment-770B (SN 543490-)
Engine Speed Linkage Adjustment-770BH, 772BH (SN 543490-)
Dual Horsepower Check-770BH, 772BH (SN 543490-)
Fuel Shut-Off Cable And Linkage Adjustment-770B, 770BH, 772B, 772BH (SN -543489)
Fuel Shut-Off Solenoid Adjustment-770B (SN 543490-)
Do Engine Break-In-670B, 672B
Do Engine Break-In-770B, 770BH, 772B, 772BH
Group 25: Tests
JT05801 Clamp-On Electronic Tachometer Installation
Electronic Injection Pump Service Connectors-J3, J4, J5, J6-770BH, 772BH (SN 543490-)
Using The Electronic Governor Tester, JT05829-770BH, 772BH(SN 543490-)
Air Filter Restriction Indicator Switch Test
Radiator Air Flow Test-670B, 672B, 770B, 770BH, 772B, 772BH (SN -543489)
Radiator Air Flow Test-670B, 672B, 770B (SN 543490-)
Radiator Air Flow Test-770BH, 772BH (SN 543490-)
Engine Power Test Using Turbocharger Boost Pressure-670B, 672B, 770B, 772B, 770BH, And 772BH (SN -543489)
Engine Power Test Using Turbocharger Boost Pressure-670B, 672B, And 770B (SN 543490-)
Engine Power Test Using Turbocharger Boost Pressure-770BH, 772BH (SN 543490-)
Dual Power Solenoid Valve Test-770BH, 772BH (SN -543489)
Section 9015A: Electrical System (SN -543489)
Group 00: Electrical System Operation And Test (SN -543489)
Battery Specifications (SN -543489)
Battery Operation
Diagnose Battery Malfunctions
Check Battery Electrolyte Level And Terminals
Procedure For Testing Batteries
Using Booster Batteries-24 Volt System
Visually Inspect Electrical System
Electrical Circuit Malfunctions
High Resistance Circuit
Open Circuit
Grounded Circuit
Shorted Circuit
Multimeter
Seven Step Electrical Test Procedure
Wiring Diagram And Schematic Information
Reading A System Functional Schematic
Reading A Wiring Diagram
Procedure For Performing Diagnostic Checks
Electrical Schematic Symbols
Component Identification Table
Fuse Specifications (SN -543489)
Wiring And Schematic Diagrams Legend (SN -543489)
System Functional Schematic Section Legend (SN -543489)
System Functional Schematic-(SN -543489)
Main Frame Harness (W8) Wiring Diagram (SN -538882)
Main Frame Harness (W9) (SN 538883-543489)
Platform Harness (W10) (SN -525411)
Platform Harness (W11) (SN 525412-538882)
Platform Harness (W12) (SN 538883-543489)
Tilt Console Harness (W13) (SN -538882)
Tilt Console Harness (W14) (SN 538883-543489)
Side Console Harness (W15) (SN -525411)
Side Console Harness (W16) (SN 525412-538882)
Side Console Harness (W17) (SN 538883-543489)
Cab Roof Harness (W18) (SN -538882)
Cab Roof Harness (W19) (SN 538883-543489)
Engine Harness (W20) (SN -538882) (670B)
Engine Harness (W21) (SN 538883-543489) (670B)
Engine Harness (W22) (SN -538882) (672B)
Engine Harness (W23) (SN 538883-543489) (672B)
Engine Harness (W24) (SN -538882) (770B,770BH)
Engine Harness (W25) (SN 538883-543489) (770B, 770BH)
Engine Harness (W26) (SN -538882) (772B, 772BH)
Engine Harness (W27) (SN 538883-543489) (772B, 772BH)
Service Housing Harness (W28) (SN -543489)
Engine Harness Connectors (SN -543489)
Platform Harness Connectors (SN -543489)
Component Location (SN -538882) (670B, 672B)
Component Location Legend (SN -538882) (670B, 672B)
Component Location (SN -538882) (770B,BH,772B,BH)
Component Location Legend (SN -538882) (770B,BH,772B,BH)
Component Location (SN 538883-543489) (670B, 672B)
Component Location Legend (SN 538883-543489) (670B, 672B)
Component Location (SN 538883-543489) (770B, 770BH, 772B, 772BH)
Component Location Legend (SN 538883-543489) (770B, 770BH, 772B, 772BH)
Power Circuit Operational Information (SN -543489)
Power Circuit Theory Of Operation (SN -543489)
Power Circuit Functional Schematic (SN -543489)
Start And Fuel Shut-Off Circuit Operational Information (SN -543489)
Start And Fuel Shut-Off Circuit Theory Of Operation (SN -543489)
Start And Fuel Shut-Off Circuit Functional Schematic (SN -543489)
Charging Circuit Operational Information (SN -543489)
Charging Circuit Theory Of Operation (SN -543489)
Charging Circuit Functional Schematic (SN -538882)
Charging Circuit Functional Schematic (SN 538883-543489)
Alternator Operation-50 Amp BOSCH (SN -543489)
Alternator Operation-42 Amp Motorola Or Prestolite (SN -543489)
Alternator Operation-40 Amp DELCO REMY (SN -543489)
Alternator Operation-45 Amp BOSCH (SN -543489)
Dual Power Control Circuit Operational Information (SN -543489) (770BH, 772BH)
Dual Power Cam Circuit Theory Of Operation (SN -543489) (770BH, 772BH)
Dual Power Control Circuit Functional Schematic (SN -543489) (770BH, 772BH)
Reverse Warning Alarm Circuit Operational Information (SN -543489)
Reverse Warning Alarm Circuit Theory Of Operation (SN -543489)
Reverse Warning Alarm Circuit Functional Schematic (SN -543489)
Horn Circuit Operational Information (SN -543489)
Horn Circuit Theory Of Operation (SN -543489)
Horn Circuit Functional Schematic (SN -543489)
Logic Module And Warning Alarm Circuit Operational Information (SN -543489)
Logic Module And Warning Alarm Circuit Theory Of Operation (SN -543489)
Logic Module And Warning Alarm Circuit Functional Schematic (SN -543489)
Logic Module And Warning Alarm Circuits Diagnostic Procedures (SN -543489)
Logic Module Operation (SN -543489)
Logic Module Test In Machine (SN -543489)
Logic Module Bench Test (SN -543489)
Hour Meter Circuit Operational Information (SN -543489)
Hour Meter Theory Of Operation (SN -543489)
Hour Meter Functional Schematic (SN -543489)
Start Aid, Fuel And Articulation Gauges Circuit Operational Information (SN -543489)
Start Aid, Fuel And Articulation Gauges Circuit Theory Of Operation (SN -543489)
Start Aid, Fuel And Articulation Gauges Circuit Functional Schematic (SN -543489)
Articulation Sensor Adjustment (SN -543489)
Monitor Indicators (SN -543489)
Monitor Pin Terminals (SN -543489)
Top Row Monitor Circuit Specifications (SN -543489)
Top Row Monitor Circuit Operational Information (SN -543489)
Top Row Monitor Circuit Theory Of Operation (SN -543489)
Top Row Monitor Circuit Functional Schematic (SN -543489)
Top Row Monitor Pin Terminals (SN -543489)
Middle Row Monitor Circuit Specifications (SN -543489)
Middle Row Monitor Circuit Operational Information (SN -543489)
Middle Row Monitor Circuit Theory Of Operation (SN -543489)
Middle Row Monitor Circuit Functional Schematic (SN -543489)
Middle Row Monitor Pin Terminals (SN -543489)
Bottom Row Monitor Circuit Specifications (SN -543489)
Bottom Row Monitor Circuit Operational Information (SN -543489)
Bottom Row Circuit Theory Of Operation (SN -543489)
Bottom Row Monitor Circuit Functional Schematic (SN -543489)
Bottom Row Monitor Pin Terminals (SN -543489)
Park Brake Switch (Primary Warning Level) Adjustment (SN -543489)
Park Brake Switch (Indicator Light) Adjustment (SN -543489)
Differential Lock Circuit Operational Information (SN 538883-543489)
Differential Lock Circuit Theory Of Operation (SN 538883-543489)
Differential Lock Circuit Schematic (SN 538883-543489)
Saddle Locking Pin Operational Information (SN -543489)
Saddle Locking Pin Theory Of Operation (SN -543489)
Saddle Locking Pin Circuit Functional Schematic (SN -543489)
Locking Pin Switch Adjustment (SN -543489)
Rotary Beacon And Defroster Fan Circuit Operational Information (SN -543489)
Rotary Beacon And Defroster Fan Theory Of Operation (SN -543489)
Rotary Beacon And Defroster Fan Circuit Functional Schematic (SN -543489)
Turn Signal And Flasher Circuit Operational Information (SN -543489)
Turn Signal And Flasher Circuit Theory Of Operation (SN -543489)
Turn Signal And Flasher Circuit Functional Schematic (SN -543489)
Work Lights Circuit Operational Information (SN -543489)
Work Lights Circuit Theory Of Operation (SN -543489)
Work Lights Circuit Functional Schematic-If Equipped (SN -543489)
HFWD Circuit
Drive Light, Dome And Map Light Circuit Functional Schematic (SN -543489)
Drive Light, Dome And Map Light Operational Information (SN -543489)
Drive Light, Dome And Map Light Circuit Theory Of Operation (SN -543489)
Brake Light Switch Adjustment (SN -543489)
Upper Front And Rear Wiper Circuit Operational Information (SN -525411)
Upper Front And Rear Wiper Circuit (SN -525411) Theory Of Operation
Upper Front, Rear Wiper Circuit (SN -525411) Schematic
Front Windshield Wiper Motor Park And Adjustment (SN -543489)
Upper/Lower Front/Rear Wiper Circuit Operational Information-(SN 525412-543489)
Upper/Lower Front/Rear Wiper Circuit Theory Of Operation-(SN 525412-543489)
Upper/Lower Front/Rear Wiper Circuit Schematic-(SN 525412-543489)
Blower Circuit (SN -543489)
Air Conditioner Blower On/Off (SN -543489)
Radio Circuit Operational Information (SN -543489)
Radio Circuit Theory Of Operation (SN -543489)
Radio Circuit Functional Schematic (SN -543489)
Ripper Circuit Operational Information (SN -543489)
Ripper Circuit Theory Of Operation (SN -543489)
Ripper Circuit Functional Schematic (SN -543489)
Engine Harness Component Schematics (SN -543489)
Service Housing Harness, Component Schematics, Continuity Chart (SN -543489)
Logic Module, Function Display Module Component Schematic (SN -543489)
Platform Harness, Main Frame Harness (SN -543489)
Tilt Console Harness (SN -543489)
Side Console Harness, Roof Harness (SN -543489)
Section 9015B: Electrical System (SN 543490-)
Group 05: System Information
Battery Specifications (SN 543490- )
Battery Operation
Diagnose Battery Malfunctions
Check Battery Electrolyte Level And Terminals
Procedure For Testing Batteries
Using Booster Batteries-24 Volt System
Visually Inspect Electrical System
Electrical Circuit Malfunctions
High Resistance Circuit
Open Circuit
Grounded Circuit
Shorted Circuit
Multimeter
Seven Step Electrical Test Procedure
Wiring Diagram And Schematic Information
Reading A System Functional Schematic
Reading A Wiring Diagram
Procedure For Performing Diagnostic Checks
Electrical Schematic Symbols
Group 10: System Diagrams
Component Identification Table
Replacing Fuses (SN 543490- )
Fuse (Blade-Type) Color Codes
Fuse Specifications (SN 543490- )
Wiring And Schematic Diagrams Legend (SN 543490- )
System Functional Schematic Section Legend (SN 543490- ) (670B/672B/770B)
System Functional Schematic (SN 543490- ) (670B/672B/770B)
System Functional Schematic Section Legend (SN 543490- ) (770BH/772BH)
System Functional Schematic (SN 543490- ) (770BH/772BH)
Main Frame Harness (W5) Wiring Diagram (SN 543490- )
Main Frame (W5) Component Location (SN 543490- )
Platform Harness (W6) Wiring Diagram (SN 543490- )
Platform Harness (W6) Component Location (SN 543490- )
Tilt Console Harness (W7) Wiring Diagram (SN 543490- )
Tilt Console Harness (W7) Component Location (SN 543490- )
Side Console Harness (W8) Wiring Diagram (SN 543490- )
Side Console Harness (W8) Component Location (SN 543490- )
ECU Side Console Harness (W9) Wiring Diagram (SN 543490- )
ECU Side Console Harness (W9) Component Location (SN 543490- )
Cab Roof Harness (W10) Wiring Diagram (SN 543490- )
Cab Roof Harness (W10) Component Location
Engine (670B/672B Only) Harness (W11) Wiring Diagram (SN 543490- )
Engine (670/672 Only) Harness (W11) Component Location
Engine (770/772 Only) Harness (W12) Wiring Diagram
Engine (770/772 Only) Harness (W12) Component Location (SN 543490- )
Service Housing Harness (W13) Wiring Diagram (SN 543490- )
Service Housing Harness (W13) Component Location (SN 543490- )
Engine Harness Component Schematic, Continuity Chart (SN 543490- )
Service Housing Harness, Component Schematic, Continuity Chart (SN 543490- )
Logic Module, Function Display Module, Component Schematics, Continuity Chart (SN 543490- )
Platform Harness (SN 543490- )
Tilt Console Wiring Harness (SN 543490- )
Side Console Wiring Harness (SN 543490- )
Main Frame Harness Wiring (SN 543490- )
Cab Roof Harness Wiring (SN 543490- )
ECU Harness Wiring 770BH, 772BH
ECU Platform Wiring Harness (SN 543490- )
HFWD Harness Wiring EEC Add On (SN 543490- )
A/C Compressor Wiring Harness (SN 543490- )
Group 15: Sub-System Diagnostics
Power Circuit Operational Information (SN 543490- ) (670B, 672B, 770B)
Power Circuit Theory Of Operation (SN 543490- ) ( 670B, 672B, 770B)
Power Circuit Functional Schematic (SN 543490- ) (670B, 672B, 770B)
Battery Voltage Monitor Bench Test (SN 543490- ) (670B, 672B, 770B)
Battery Balancer Bench Test (SN 543490- )
Power Circuit Operational Information (SN 543490- ) (770BH, 772BH)
Power Circuit Theory Of Operation (SN 543490- ) (770BH, 772BH)
Power Circuit Functional Schematic (SN 543490- ) (770BH, 772BH)
Battery Voltage Monitor Bench Test (SN 543490- ) (770BH, 772BH)
Battery Balancer Bench Test (SN 543490- )
Alternator, Charging And Accessory Power Circuit Operational Information (SN 543490- ) (670B, 672B, 770B)
Alternator, Charging And Accessory Power Circuit Theory Of Operation (SN 543490- ) (670B, 672B, 770B)
Alternator, Charging And Accessory Power Circuit Functional Schematic (SN 543490- ) (670B, 672B, 770B)
Alternator Operation-45 Amp BOSCH (SN 543490- )
Alternator Operation-50 Amp BOSCH (SN -550191)
Alternator Operation-24 Volts 80 Amp BOSCH (SN 550192-)
Alternator, Charging And Accessory Power Circuit Operational Information (SN 543490- ) (770BH, 772BH)
Alternator, Charging And Accessory Power Circuit Theory Of Operation (SN 543490- ) (770BH, 772BH)
Alternator, Charging And Accessory Power Circuit Functional Schematic (SN 543490- ) (770BH, 772BH)
Alternator Operation-50 Amp BOSCH (SN -550191) (770BH, 772BH)
Alternator Operation-24 Volt 80 Amp BOSCH (SN 550192-)
Starting Circuit Operational Information (SN 543490- ) (670B, 672B, 770B)
Starting Circuit Theory Of Operation (SN 543490- ) (670B, 672B, 770B)
Starting Circuit Functional Schematic (SN 543490- ) (670B, 672B, 770B)
Starting Circuit Operational Information (SN 543490- ) (770BH, 772BH)
Starting Circuit Theory Of Operation (SN 543490- ) (770BH, 772BH)
Starting Circuit Functional Schematic (SN 543490- ) (770BH, 772BH)
Injection Pump Circuit Operational Information (SN 543490- ) (770BH, 772BH)
Injection Pump Circuit Theory Of Operation (SN 543490- ) (770BH, 772BH)
Injection Pump Circuit Functional Schematic (SN 543490-548109) ( 770BH, 772BH)
Injection Pump Circuit Functional Schematic-770BH, 772BH (SN 548110-)
Engine Control Circuit Operational Information (SN 543490-) (770BH, 772BH)
Engine Control Circuit Theory Of Operation (SN 543490-548109) (770BH, 772BH)
Engine Control Circuit Theory Of Operation-770BH, 772BH (SN 548110-)
Engine Control Circuit Functional Schematic (SN 543490-548109) (770BH, 772BH)
Engine Controller Connector (SN 543490-) (770BH, 772BH)
Using The Electronic Governor Tester-JT05829 (SN 543490-) (770BH, 772BH)
Electronic Governor Diagnostic Codes (SN 543490-) (770BH, 772BH)
Reverse Warning/Start Aid/Horn/Flasher Circuits Specifications (SN 543490- ) (670B, 672B, 770B)
Reverse Warning/Start Aid/Horn/Flasher Circuits Operational Information (SN 543490- ) (670B, 672B, 770B)
Reverse Warning/Start Aid/Horn/Flasher Circuits Theory Of Operation (SN 543490- ) (670B, 672B, 770B)
Reverse Warning/Start Aid/Horn/Flasher Circuits Functional Schematic (SN 543490- ) (670B, 672B, 770B)
Logic Module And Warning Alarm Circuits Operational Information (SN 543490- )
Logic Module And Warning Alarm Circuits Theory Of Operation (SN 543490- )
Logic Module And Warning Alarm Circuits Functional Schematic (SN 543490- )
Logic Module And Warning Alarm Circuits Diagnostic Procedures (SN 543490- )
Logic Module Operation (SN 543490- )
Logic Module Test In Machine (SN 543490- )
Logic Module Bench Test (SN 543490- )
Fuel And Articulation Gauges Circuit Operational Information (SN 543490- )
Fuel And Articulation Gauges Circuit Theory Of Operation (SN 543490- )
Fuel And Articulation Gauges Circuit Functional Schematic (SN 543490- )
Top Row Monitor Circuit Specifications (SN 543490- )
Top Row Monitor Circuit Operational Information (SN 543490- )
Top Row Monitor Circuit Theory Of Operation (SN 543490- )
Top Row Monitor Circuit Functional Schematic (SN 543490- )
Top Row Monitor Circuit Pin Terminals (SN 543490- )
Middle Row Monitor Circuit Specifications (SN 543490- )
Middle Row Monitor Circuit Operational Information (SN 543490- )
Middle Row Monitor Circuit Theory Of Operation (SN 543490- )
Middle Row Monitor Circuit Functional Schematic (SN 543490- )
Middle Row Monitor Circuit Pin Terminals (SN 543490- )
Bottom Row Monitor Circuit Operational Information (SN 543490- )
Bottom Row Monitor Circuit Theory Of Operation (SN 543490- )
Bottom Row Monitor Circuit Functional Schematic (SN 543490- )
Bottom Row Monitor Circuit Pin Terminals (SN 543490- )
Saddle Locking Pin/Differential Lock/Rotary Beacon/Defroster Circuits Operational Information (SN 543490- )
Saddle Locking Pin/Differential Lock/Rotary Beacon/Defroster Circuits (SN 543490- )Theory Of Operation
Saddle Locking Pin/Diff. Lock/Rotary Beacon/Defroster Schematic (SN 543490- )
Turn Signal Circuit Operational Information (SN 543490- )
Turn Signal Circuit Theory Of Operation (SN 543490- )
Turn Signal Circuit Functional Schematic (SN 543490- )
Work Lights Circuit Operational Information (SN 543490- )
Work Lights Circuit Theory Of Operation (SN 543490- )
Work Lights Circuit Functional Schematic (SN 543490- )
HFWD System (SN 543490- ) (672B, 772B, 772BH)
Drive Light/Dome Light/Map Light Circuits Operational Information (SN 543490- )
Drive Light/Dome Light/Map Light Circuits Theory Of Operation (SN 543490- )
Drive Light/Dome Light/Map Light Circuits Functional Schematic (SN 543490- )
Front Upper/Lower And Rear Wiper Circuit Operational Information (SN 543490- )
Front Upper/Lower And Rear Wiper Circuit Theory Of Operation (SN 543490- )
Front Upper/Lower And Rear Wiper Circuit Functional Schematic (SN 543490- )
Heater/Blower Circuit (SN 543490- )
A/C Blower On/Off Circuit (SN 543490- )
Radio Circuit Operational Information (SN 543490- )
Radio Circuit Theory Of Operation (SN 543490- )
Radio Circuit Functional Schematic (SN 543490- )
Ripper Circuit Operational Information (SN 543490- )
Ripper Circuit Theory Of Operation (SN 543490- )
Ripper Circuit Functional Schematic (SN 543490- )
Group 20: Adjustments And Additional Information
Connector Pin Locations (SN 543490- )
Section 9016: Hydraulic Front Wheel Drive
Group 05: Theory Of Operation
Pilot Valve Operation In Neutral
Electrical Displacement Control Valve (EDC) Operation
HFWD Pump, Charge Pump And Charge Relief Valve Operation
Clutch Switch Operation
Port Block, Flow Divider AndManifold Valve Assembly Operation
Solenoid Manifold Operation
Forward And Reverse Cam Switchesand One-To-Four Or One-To-Six CamSwitch Operation
Front Sensor Operation
Rear Sensor Operation
Front Wheel Motor Operation
Control Box And Fuses-Early Machines
Control Box With Diagnostic Lights-Later Machines
HFWD Electrical Control Circuit System Operation-Machines Without Diagnostic Lights In The Control Box
HFWD Electrical Control Circuit System Operation-Machines With Diagnostic Lights In Control Box
HFWD Control Box Aggressive Mode Dial Adjustment-Machines With Diagnostic Lights In Control Box
Hydraulic Front Wheel Drive System Operation
Neutral Operation
Forward Operation
Forward Operation During A Turn (Not Shown)
Forward Operation With One Front Wheel Spinning
Reverse Operation
Reverse Operation During A Turn (Not Shown)
Reverse Operation With One Front Wheel Spinning
Hydraulic Front Wheel Drive Manual Mode Operation
Control Box Diagnostic Lights Operation-Later Machines
Pressure Limiter Valve Operation-High Speed Pump
HFWD Power Flow
Group 10: System Operational Checks
Hydraulic Front Wheel Drive (HFWD) Operational Checks
Group 15: Diagnostic Information
Diagnose Malfunctions Of Hydraulic Front Wheel Drive
HFWD Start-Up Procedure
HFWD Field Clean-Up Procedure
HFWD Hydraulic Component Location-Forward
HFWD Electrical-Machines Without Diagnostic Lights
HFWD Electrical-Machines With Diagnostic Lights
Group 20: Adjustments
Front And Rear Sensor Adjustment
HFWD Control Box Calibration-Using HFWD Tester
HFWD Control Box Calibration-Without HFWD Tester
Electrical Displacement Control Valve Neutral Adjustment
Group 25: Tests
Identification Of Standard Speed Or High Speed Hydraulic Front Wheel Drive
Electrical Testing
HFWD Control Box Test-Box Without Diagnostic Lights (SN -520371)
HFWD Diagnostic Box Tests-(SN -520371)
HFWD Diagnostic Box Test Using Resistance Check-(SN -520371)
HFWD Voltage Test Using In-Line Diagnostic Box-(SN -520371)
HFWD Circuit Wiring Diagram 670B, 672B, 770B, 772B (Early Machines)
HFWD Control Box With Diagnostic Lights Tests-(SN 520372-543489)
Schematic/Diagnostic Lights In Box
Wiring Diagram-670B, 672B, 770B, 772B (Later Machines)
Circuit Schematic-672B, 772BH (SN 520372-543489)
Circuit Schematic-672B, 772BH (SN 543490-)
Cab/Controller Harness-672B, 772BH (SN 543490-)
HFWD Control Box With Diagnostic Lights Test-(SN 543490-)
Transmission And Front Wheel Drive Oil Warm-Up Procedure
HFWD Control System Test-Control Box Without Diagnostic Lights
HFWD Control System Test-Control Box With Diagnostic Lights
High Pressure Relief Valve And Pressure Limiter Valve-High Speed Machine Only
HFWD Brake Cavity Pressure Test
HFWD Brake Engagement Test
HFWD Brake Cavity Leakage Test
Charge Pressure Test
Motor Leakage Test
Pump Case Relief Valve Leakage Test
Pump Case Relief Valve Pressure Test
Magnetic Pickup Bench Test Using HFWD Diagnostic Box
Magnetic Pickup Bench Test Using Voltmeter
Section 9020: Power Train
Group 05: Theory Of Operation
Power Shift Transmission
C1 And C2 Clutch Pack
Planetary Pack
Transmission Pump Operation
Transfer Drive
Power Flow Through Transmission
Direct Drive Operation
Overdrive Operation
Transmission Hydraulic System Operation
Pressure Regulating Valve Operation
Dump Valve Operation
B1-B2 And B3-B4-C3 Accumulator Operation
Clutch Valve Operation
Interruptor Valve Operation
Transmission Control System Oil Flow
Final Drive Operation
Differential Lock Valve Operation (SN -538882)
Differential Ring Gear Baffle
Differential Lock Valve Operation-Differential Lock Off, Saddle Pin Off (SN 538883-)
Differential Lock Valve Operation-Differential Lock On, Saddle Pin On (SN 538883-)
Brake Valve Operation (SN -543489)
Wet Chambered Brake Valve (SN 543490-)
Park Brake
Brake Accumulator Operation(SN -543489)
Brake Accumulator Operation (SN 543490-)
C1-C2 Accumulator Operation
Transmission Transfer Pump-770B, 772B
Group 10: System Operational Checks
Power Train Operational Checks
Group 15: Diagnostic Information
Diagnose Malfunctions Of Powershift Transmission
Diagnose Malfunctions Of Differential And Axle
Diagnose Malfunctions Of Brake System
Control Valve Oil Passage Identification
Control Circuit Diagram And Schematic
Power Train Component Location (SN -538882)
Power Train Component Location (SN 538883-)
Group 20: Adjustments
Adjust Clutch Valve Linkage
Remove, Install And Adjust Direction Control Cable
Remove, Install And Adjust Gear Selector Control Cable
Check Shift Control Adjustment
Bleed Brake Hydraulic System
Park Brake Adjustment
Charge Brake Accumulator(SN -543489)
Charge Brake Accumulator(SN 543490-)
Clean-Up Procedure For Transmission/Hydraulic System
Group 25: Tests
JT05801 Clamp-On Electronic Tachometer Installation
JT05800 Digital Thermometer Installation
Transmission And Front Wheel Drive Oil Warm-Up Procedure
Transmission Pump Flow Test
Transmission System Pressure Test
Clutch Valve Pressure Test
Lube Relief Valve Pressure Test
Lube Pressure Test
Transmission Control Circuit Pressure Test Using Seven Gauge Method
Interruptor Valve Test
Cooler Relief Valve Pressure Test
Oil Cooler Back Flush Procedure
Oil Cooler Restriction Test
Transmission “Drag” Test
Differential Lock Valve Pressure Test (SN -538882)
Differential Lock Valve Pressure Test (SN 538883-)
Differential Lock Valve Leakage Test (SN -538882)
Differential Lock Circuit Leakage (SN -538882)
Differential Lock Circuit Leakage Test (SN 538883-)
Brake Valve Leakage Test (SN -543489)
Brake Valve Leakage Test(SN 543490-)
Brake Accumulator Precharge Test
Brake Accumulator Check Valve Leakage Test
Cooler Bypass Valve Leakage Test
Cooler Bypass Valve Test
Lube System Check Valve Leakage Test
Complete Transmission-Hydraulic System Test
Test Procedure
Test Procedure Chart
Specification And Analysis
B3-B4-C3 Accumulator Operation At B3 Test Port
B1-B2 Accumulator Operation At B1 Test Port
Section 9025: Hydraulic System
Group 05: Theory Of Operation
Main Hydraulic System Operation
Main Hydraulic Pump Operation-65 Cm3 (4 In.3)
Main Hydraulic Pump Operation-100 Cm3 (6 In.3 )
Stroke Control Valve Operation
Priority Control Valve Operation
Grader Control Valve Operation
Blade Lift, Scarifier And (Ripper Later Machines) Valve Operation
Wheel Lean, Rear Steer, Circle Side Shift, Blade Tilt, And Blade Side Shift Valve Operation
Circle Rotate Valve Operation
Control Valve Orifice Operation
Ripper Valve Operation
Counterbalance Valve Operation
Locking Pin Circuit Operation
Steering System Operation (SN -554838)
Steering System Operation (SN 554839-)
Group 10: Operational Checks
Hydraulic Operational Checks
Group 15: Diagnose Malfunctions
Diagnose Malfunctions Of Main Hydraulic System
Diagnose Malfunctions Of Steering System
Hydraulic Circuit Symbols
Hydraulic Filter Component Location (SN -538882)
Hydraulic Filter Component Location (SN 538883-)
Hydraulic Component Location (SN -538882)
Hydraulic Component Location (SN 538883-)
Hydraulic Schematic (SN -538882)
Hydraulic Schematic (SN 538883-)
Group 20: Adjustment
Clean-Up Procedure For Transmission/Hydraulic System
Control Lever Pattern Change
Group 25: Test
JT05801 Clamp-On Electronic Tachometer Installation
JT05800 Digital Thermometer Installation
Hydraulic Oil Warm-Up Procedure
Charge Pressure Test
Main Pump Standby Pressure Test
Pressure Control Valve Pressure Test
Main Pump Flow And Stroke Control Valve Test
Destroke Spike Test
Counterbalance Valve Pressure Test
Hydraulic System Neutral Leakage Test
Hydraulic Component Neutral Leakage Test
Counterbalance Valve Leakage Test
Hydraulic Cylinder Drift Test
Hydraulic Cylinder Leakage Test
Crossover Relief Valve Leakage Test
Rotary Manifold Leakage Test
Steering System Leakage Test
Crossover Relief Valve Pressure Test
Cycle Time Test
Section 9031: Heating And Air Conditioning
Group 05: Theory Of Operation
Proper Refrigerant Handling
R12 And R134A Refrigerant Cautions
Refrigerant Theory Of Operation
Receiver-Dryer Operation(SN -534662)
Receiver-Dryer Operation(SN 534663-)
Expansion Valve Operation
Thermostat Control Switch Operation
Compressor Relief Valve Operation
Heater Blower Circuit Operational Information (SN -543489)-If Equipped
Heater Blower Circuit Theory Of Operation (SN -543489)-If Equipped
Heater Blower Circuit Schematic (SN -543489)-If Equipped
Heater Blower Circuit Operational Information (SN 543490-548823)-If Equipped
Heater Blower Circuit Theory Of Operation (SN 543490-548823)-If Equipped
Heater Blower Circuit Schematic (SN 543490-548823)-If Equipped
Heater Blower Circuit Operational Information (SN 548824-)-If Equipped
Heater Blower Circuit Theory Of Operation (SN 548824-)-If Equipped
Heater Blower Circuit Schematic (SN 548824-)-If Equipped
Heater/Underseat Blower Circuit Operational Information(SN 548824-)-If Equipped
Heater/Underseat Circuit Functional Schematic(SN 548824-)-(If Equipped)
Air Conditioner Blower Circuit Operational Information-If Equipped
Air Conditioner Blower Circuit Theory Of Operation-If Equipped
A/C Blower Circuit Functional Schematic-(SN -543489)-If Equipped
A/C Blower Circuit Functional Schematic-(SN 543490-548823)-If Equipped
A/C Blower Circuit Functional Schematic-(SN 548824-)-If Equipped
Group 10: System Operational Checks
Air Conditioning Operational Checks
Group 15: Diagnostic Information
Diagnose Air Conditioning Electrical Malfunctions
Air Conditioning Component Location-R12 System
Heating/Air Conditioning Component Location-R134A System (SN -548823)
Heating/Air Conditioning Component Location-R134A System (SN 548824-)
Group 20: Adjustments
Proper Refrigerant Handling
R12 And R134A Refrigerant Cautions
R12 Component Oil Charge
R12 Refrigerant Evacuation And Charging Station Installation Procedure
Recover R12 System
Evacuate R12 System
Charge R12 System
R134A Compressor Oil Information
R134A Compressor Oil Charge Check
R134A Compressor Oil Removal
R134A Component Oil Charge
R134A Refrigerant Recovery/Recycling And Charging Station Installation Procedures
R134A Refrigerant Recovery
Evacuate R134A System
Charge R134A System
Check And Adjust Compressor Belt Tension
Group 25: Tests
Proper Refrigerant Handling
R12 And R134A Refrigerant Cautions
R12 Air Conditioning System Test
R134A Air Conditioning System Test
Operating Pressure Diagnostic Chart
Pressure Diagnostic Chart
Low Pressure Switch Test
High Pressure Switch Test
R12 System Expansion Valve Operating Test
R134A System Expansion Valve Operating Test
Expansion Valve Bench Test And Adjustment
R12 System Thermostat Control Switch Operating Test
R134A System Thermostat Control Switch Operating Test
Leak Testing
Refrigerant Hoses And Tubing Inspection
