John Deere 670C 670CH 672CH 770C 770CH 772CH Series II Motor Grader Operation & Test Manual TM1914 PDF - MJODTM1914.zip
A full-service manual covering diagnostics, operation, and testing—complete with electrical wiring diagrams—for John Deere Motor Graders 670C, 670CH, 672CH, 770C, 770CH, and 772CH Series II, packed with the shop-level detail needed to service, troubleshoot, and rebuild these machines the way trained technicians do.
This John Deere workshop Operation and Test manual for the 670C, 670CH, 672CH, 770C, 770CH, and 772CH Series II Motor Graders contains:
* 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.
672CH Series II
772CH Series II
670C Series II
670CH Series II
770C Series II
770CH Series II
TM1914 - John Deere Motor Graders 670C, 670CH, 672CH, 770C, 770CH, 772CH Series II Technical Manual - Operation and Test.PDF
TM1914 - John Deere Motor Graders 670C, 670CH, 672CH, 770C, 770CH, 772CH Series II Technical Manual - Operation and Test.epub
Total Pages: 814 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
MAIN SECTIONS
Foreword
Technical Information Feedback Form
General Information
Safety
Operational Checkout Procedure
Operational Checkout Procedure
Engine
Theory Of Operation
Diagnostic Information
Adjustments
Tests
Electrical System
System Information
System Diagrams
Sub-System Diagnostics
References And Tests
Hydrostatic Front Wheel Drive (HFWD)
Theory Of Operation
Diagnostic Information
Adjustments And Checks
Tests
Power Train
Theory Of Operation
Diagnostic Information
Adjustments
Tests
Hydraulic System
Theory Of Operation
Diagnose Malfunctions
Adjustments
Tests
Heating And Air Conditioning
Theory Of Operation
Diagnostic Information
Tests
tm1914 - C Series II Motor Graders
Table of Contents
Foreword
Technical Information Feedback Form
Section 9000: General Information
Group 01: Safety
Recognize Safety Information
Follow Safety Instructions
Operate Only If Qualified
Wear Protective Equipment
Avoid Unauthorized Machine Modifications
Inspect Machine
Stay Clear of Moving Parts
Avoid High-Pressure Fluids
Beware of Exhaust Fumes
Prevent Fires
Prevent Battery Explosions
Handle Chemical Products Safely
Dispose of Waste Properly
Prepare for Emergencies
Use Steps and Handholds Correctly
Start Only From Operator's Seat
Use and Maintain Seat Belt
Prevent Unintended Machine Movement
Avoid Work Site Hazards
Keep Riders Off Machine
Avoid Backover Accidents
Avoid Machine Tip Over
Operating or Traveling On Public Roads
Inspect and Maintain ROPS
Add and Operate Attachments Safely
Park And Prepare For Service Safely
Service Cooling System Safely
Remove Paint Before Welding or Heating
Make Welding Repairs Safely
Drive Metal Pins Safely
Section 9005: Operational Checkout Procedure
Group 10: Operational Checkout Procedure
Complete Machine Operational Checkout
Section 9010: Engine
Group 05: Theory Of Operation
Supplement Support Manuals
Surge Tank Operation
Air Intake and Exhaust System Operation—6081 Engine
Cold Start Theory of Operation 670C, 770C, 770CH, 772CH (670CH, 672CH S.N. —589368)
Group 15: Diagnostic Information
Diagnose Engine Malfunctions (670CH, 672CH S.N. —589368 And 770C, 770CH, 772CH)
Diagnose Engine Malfunctions (670CH, 672CH S.N. 589369— )
Engine Cranks/Won’t Start or Starts Hard, Diagnostic Procedure (B1)—(670CH, 672CH, S.N. —589368 And 770C, 770CH, 772CH)
Engine Does Not Develop Full Power, Diagnostic Procedure (B2)— 770CH, 772CH
Group 20: Adjustments
JT05801 Clamp-On Electronic Tachometer Installation
Engine Belt Tensioner Spring Check
Fan Belt Tensioner Spring Check
Adjust Engine Speed Linkage—670C
Adjust Engine Speed Linkage—670CH, 672CH, 770C, 770CH, 772CH
Primary Fuel Filter, Drain Valve—670C, 670CH, 672CH (S.N. —589368)
Primary Fuel Filter, Drain Valve—670C, 670CH, 672CH (S.N. 589369—)
Primary Fuel Filter, Drain Valve—770C, 770CH, 772CH
Bleed The Fuel System—670C, 670CH, 672CH
Bleed The Fuel System—770C, 770CH, 772CH
Group 25: Tests
Fuel Line Leakage Test
Air Intake System Leakage Test
Air Filter Restriction Indicator Switch Test
Intake Manifold Pressure (Turbocharger Boost PSI) and Wastegate Test
Intake Manifold Pressure (Turbocharger Boost PSI) Test
Injection Pump Rack Position Voltage Test
Fuel Supply Pump Leakage Test—670C, 670CH, 672CH
Fuel Pressure Test—770C, 770CH, 772CH
Throttle Potentiometer Test—670CH, 672CH, 770C, 770CH, 772CH
Section 9015: Electrical System
Group 05: System Information
Electrical Diagram Information
Group 10: System Diagrams
Fuse and Relay Specifications (S.N. —589368)
Fuse and Relay Specifications (S.N. 589369— )
Functional Schematic, Wiring Diagram and Component Location Master Legend
System Functional Schematic Legend
System Functional Schematic
Roof Harness (W2) Wiring Diagram
Roof Harness (W2) Component Location
Map Light Harness (W3) Wiring Diagram
Map Light Harness (W3) Component Location
A/C Roof Harness (W7) Wiring Diagram
A/C Roof Harness (W7) Component Location
Under Seat Heater Harness (W8) Wiring Diagram
Under Seat Heater Harness (W8) Component Location
Engine Harness (W9) Wiring Diagram
Engine Harness (W9) Component Location
Engine Harness (W10) Wiring Diagram
Engine Harness (W10) Component Location
Platform Harness (W11) Wiring Diagram
Platform Harness (W11) Component Location
Transmission Harness (W13) Wiring Diagram
Transmission Harness (W13) Component Location
Side Console Harness (W15) Wiring Diagram (670C)
Side Console Harness (W15) Component Location (670C)
Side Console Harness (W16) Wiring Diagram (670CH, 770C, 770CH)
Side Console Harness (W16) Component Location (670CH, 770C, 770CH)
Side Console Harness (W17) Wiring Diagram (672CH and 772CH)
Side Console Harness (W17) Component Location (672CH and 772CH)
Side Console Harness—Detail C
Front Console Harness (W18) Wiring Diagram
Front Console Harness (W18) Component Location
A/C Compressor Harness (W20) Wiring Diagram
A/C Compressor Harness (W20) Component Location
Ripper Harness (W21) Wiring Diagram
Ripper Harness (W21) Component Location
24V Radio Harness (W31) Wiring Diagram
24V Radio Harness (W31) Component Location
HFWD Front and Rear Harness (W34 and W35) Wiring Diagram (672CH, 772CH)
HFWD Front and Rear Harness (W34 and W35) Component Location (672CH, 772CH)
Group 15: Sub-System Diagnostics
Starting and Park Brake Circuit Theory Of Operation
Soft Start Circuit Theory of Operation (If Equipped)
Transmission Controller Circuit Theory Of Operation
Engine Controller Circuit Theory Of Operation (670C, 770C)
Engine Controller Circuit Theory Of Operation (670CH, 672CH S.N. 589369— )
Display Monitor Circuit Theory Of Operation
Hydrostatic Front Wheel Drive (HFWD) Circuit Theory Of Operation
Group 20: References And Tests
Diagnostic Trouble Code Reference List
Stored Diagnostic Trouble Code Retrieval
Troubleshooting Tips F301—F308 Transmission Gear Solenoid Codes
Troubleshooting Tips F309—F319 Transmission Gear Solenoid Codes
Troubleshooting Tips F317—F319 Inching Pedal Codes
HFWD Controller Diagnostic Trouble Codes Diagnostics
Transmission Diagnostic Trouble Code Diagnostics
Engine Diagnostic Trouble Code Diagnostics 770C, 770CH, 772CH (672CH, 670CH S.N. —589368 )
Engine Diagnostic Trouble Codes (DTCs) On Level 11 ECU (672CH, 670CH S.N. 589369— )
Engine Air Heat Controller Module (A7) Diagnostic Trouble Codes (670C) (If Equipped)
Battery Specifications
Electrical Component Specifications
Electrical Component Checks
Monitor Set Up
Calibrate Tachometer
Calibrate Transmission Controller (TCU)
Calibrate HFWD Controller (HCU)
Inching Pedal Calibration
Articulation Potentiometer Adjustment
Replacing Radio Memory Batteries (If Equipped)
Transmission Solenoid Resistance Test
HFWD Temperature Switch (B37) Test
Transmission Control And Park Brake Lever Test
Park/Not Neutral Gear Position Switch Module (S6) And Forward/Reverse Switch Module (S7) Bench Test
Check Controller
Replace METRI-PACK METRI-PACK is a trademark of Packard Electric Inc. Connectors
Replace DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Connectors
Replace DEUTSCH DEUTSCH is a trademark of Deutsch Co. Rectangular or Triangular Connectors
Install DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Contact
Replace WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Connector
Install WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Contact
Halogen Lights
Section 9016: Hydrostatic Front Wheel Drive (HFWD)
Group 05: Theory Of Operation
Hydrostatic Front Wheel Drive (HFWD) System Operation
HFWD Pump And Displacement Control Operation
Forward Operation
HFWD Pump And Motor Flushing Pump
HFWD Charge Pump
HFWD Charge Filter Operation
Flushing Valve and Operating Charge Relief Valve
Multi-Function Valve
Engagement Valve Operation
Front Wheel Motor Operation
HFWD Power Flow
Group 15: Diagnostic Information
Diagnose Malfunctions Of Hydrostatic Front Wheel Drive
HFWD System Schematic
HFWD Component Location
Group 20: Adjustments And Checks
HFWD Start-Up Procedure
HFWD Pump Control Neutral Adjustment
Group 25: Tests
Digital Thermometer Installation
Digital Pressure And Temperature Analyzer Installation
Digital Hydraulic Tester
Avoid High-Pressure Fluids
HFWD Oil Warm-Up Procedure
HFWD Planetary Brake Leakage Test
HFWD Neutral Charge Regulating Valve Pressure Test
HFWD Operating Charge Regulating Valve Pressure Test
HFWD Charge Pressure Balance Test
HFWD Pump Leakage Test
HFWD Motor Leakage Test
Pressure Override & Multi-Function Relief Valve Test—Forward and Reverse Directions
HFWD Motor Flushing Pump Relief Valve Test
HFWD Charge Pump Flow Test
Cooler Bypass Valve Pressure Test
Hydraulic Oil Filter Inspection Procedure
Section 9020: Power Train
Group 05: Theory Of Operation
Transmission Operation
Transmission Hydraulic System Operation
Transmission Control Valve Port Identification
Clutch Pack Operation
Clutch and Gear Operation and Component Location
First Forward
Park Brake and Differential Lock Control Valve
Park Brake Operation
Park Brake—Engaged
Park Brake Manual Release Operation
Differential Lock Operation
Rear Axle and Tandem Operation
Group 15: Diagnostic Information
Diagnose DF180 Powershift Transmission And Hydraulic Related Malfunctions
Diagnose Park Brake Malfunctions
Diagnose Differential Malfunctions
Power Train Component Location
Group 20: Adjustments
Manual Park Brake Release Procedure
Group 25: Tests
Transmission and Axle Oil Warm-Up Procedure
Differential Lock Valve Pressure Test
Differential Lock Valve Leakage Test
Axle Cooler Relief Pressure Test
Transmission Pump Flow Test
Transmission System Pressure Test
Lube Pressure Test
Transmission Control Circuit Pressure Test
Transmission Cooler Inlet Pressure Test
Park Brake Pressure Test
Park Brake Warm-Up Circuit
Relief/Valve Fitting Pressure Test (Park Brake)
Transmission Oil Filter Inspection Procedure
Transmission Accumulator Charge Pressure Test (S.N. —589369)
Transmission Pump Suction Tube Leak Test
Transmission Proportional Solenoid Valve Test
Section 9025: Hydraulic System
Group 05: Theory Of Operation
Main Hydraulic System Operation
Main Hydraulic Pump Operation
Main Hydraulic Return Filter Operation
System Relief Valve Operation
Service Brake Operation
Service Brake Operation—Multiple Disk
Brake Accumulator Operation
Steering System Operation
Priority Control Valve Operation
Grader Control Valve Operation
Control Valve Orifice Operation
Blade Lift, Scarifier And Ripper Valve Operation—Neutral