John Deere 670D, 672D, 770D, 772D, 870D, 872D Motor Graders Service Repair Manual (TM2256)
Complete service repair manual for John Deere Motor Graders 670D, 672D, 770D, 772D, 870D, 872D, with all the shop information to maintain, repair, and service like professional mechanics.
John Deere Motor Graders 670D, 672D, 770D, 772D, 870D, 872D 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.
* 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.
TM2256 - John Deere Motor Graders 670D, 672D, 770D, 772D, 870D, 872D Technical Manual - Repair.pdf
TM2256 - John Deere Motor Graders 670D, 672D, 770D, 772D, 870D, 872D Technical Manual - Repair.epub
MAIN SECTIONS
Foreword
Technical Information Feedback Form
General Information
Safety
Torque Values
Wheels
Powered Wheels and Fasteners
Axles and Suspension Systems
Input Drive Shafts and U-Joints
Non-Powered Wheel Axles
Powered Wheel Axles
Axle Shafts, Bearings, and Reduction Gears
Hydraulic System
Transmission
Removal and Installation
Hydraulic System
Engine
Removal and Installation
Engine Auxiliary System
Cooling System
External Fuel Supply Systems
Torsional Isolator
Elements
Steering System
Power Steering
Hydraulic System
Service Brakes
Active Elements
Hydraulic System
Park Brake
Active Elements
Frame, Chassis or Supporting Structure
Frame Installation
Operator’s Station
Removal and Installation
Operator Enclosure
Seat and Seat Belt
Heating and Air Conditioning
Sheet Metal and Styling
Grille and Grille Housing
Main Hydraulic System
Hydraulic System
Grading Device
Controls Linkage
Frames
Circle Gearbox
Hydraulic System
Ground Conditioning Tool
Frames
Dealer Fabricated Tools
Total Pages: 598 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English
TABLEO OF CONTENTS - Expanded View
00 - General Information
01 - Safety
Add and Operate Attachments Safely
Avoid Backover Accidents
Avoid High-Pressure Oils
Avoid Machine Tip Over
Avoid Unauthorized Machine Modifications
Avoid Work Site Hazards
Beware of Exhaust Fumes
Dispose of Waste Properly
Drive Metal Pins Safely
Follow Safety Instructions
Handle Chemical Products Safely
Inspect and Maintain ROPS
Inspect Machine
Keep Riders Off Machine
Make Welding Repairs Safely
Operate Only If Qualified
Operating Or Traveling On Public Roads
Park And Prepare For Service Safely
Prepare for Emergencies
Prevent Battery Explosions
Prevent Fires
Prevent Unintended Machine Movement
Recognize Safety Information
Remove Paint Before Welding or Heating
Service Cooling System Safely
Start Only From Operator's Seat
Stay Clear of Moving Parts
Use and Maintain Seat Belt
Use Steps and Handholds Correctly
Wear Protective Equipment
03 - Torque Values
Additional Metric Cap Screw Torque Values
Inch Series Four Bolt Flange Fitting For High Pressure Service Recommendations
Metric 24° O-Ring Seal DIN 20078 Service Recommendations
Metric Bolt and Cap Screw Torque Values
O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For High Pressure Service Recommendations
O-Ring Face Seal Fittings With Metric Hex Nut And Stud End For Standard Pressure Service Recommendations
O-Ring Face Seal Fittings With SAE Inch Hex Nut And Stud End For High Pressure Service Recommendations
Service Recommendations for 37° Flare and 30° Cone Seat Connectors
Service Recommendations For Flared Connections—Straight or Tapered Threads
Service Recommendations For Flat Face O-Ring Seal Fittings
Service Recommendations For Inch Series Four Bolt Flange Fittings
Service Recommendations for Metric Series Four Bolt Flange Fitting
Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings
Service Recommendations for O-Ring Boss Fittings
Service Recommendations For O-Ring Boss Fittings With Shoulder
Unified Inch Bolt and Cap Screw Torque Values
01 - Wheels
Tire Remove and Install
02 - Axles and Suspension Systems
25 - Input Drive Shafts and U-Joints
Transmission-to-Rear Axle Drive Shaft Disassemble and Assemble
Transmission-to-Rear Axle Drive Shaft Remove and Install
30 - Non-Powered Wheel Axles
Front Axle Remove and Install—Non HFWD
Front Wheel Hub and Spindle Disassemble and Assemble—Non HFWD
Front Wheel Hub and Spindle Remove and Install—Non HFWD
40 - Powered Wheel Axles
Front Axle Remove and Install—HFWD
Front Wheel Hub and Spindle Disassemble and Assemble—HFWD
Front Wheel Hub and Spindle Disassemble and Assemble with Steering Angle Sensor—HFWD
Front Wheel Hub and Spindle Remove and Install—HFWD
HFWD Bearings Remove and Install
HFWD Drive Hub Disassemble and Assemble
HFWD O-Ring Metal Face Seal Remove and Install
Planetary Brake Disassemble and Assemble
Planetary Drive Disassemble and Assemble
Steering Angle Sensor Remove and Install (S.N. 611296— )
50 - Axle Shafts, Bearings, and Reduction Gears
Drive Chain Remove and Install
Final Drive Axle Remove and Install
Rear Axle Remove and Install
Tandem and Wheel Axle Assembly Remove and Install
Tandem Drive Shaft Remove and Install
Tandem Front Wheel Axle Assembly Remove and Install
Tandem Pivot Disassemble and Assemble
Tandem Rear Wheel Axle Assembly Remove and Install
Tandem Wheel Axle Assembly Disassemble and Assemble
TEAMMATE ™ II 1400 Series Inboard Planetary Axle—Use CTM43
60 - Hydraulic System
Differential Lock Pump Remove and Install
HFWD Charge Pump Disassemble and Assemble
HFWD Charge Pump Remove and Install
HFWD Engagement Manifold Disassemble and Assemble
HFWD Engagement Manifold Remove and Install
HFWD Motor Disassemble and Assemble
HFWD Motor Remove and Install
HFWD Pump Disassemble and Assemble
HFWD Pump Remove and Install
Park Brake Valve Disassemble and Assemble
Park Brake Valve Remove and Install
03 - Transmission
00 - Removal and Installation
Funk Transmission
Transmission Remove and Install
60 - Hydraulic System
Transmission Accumulator Remove and Install
Transmission Charge Pump Remove and Install
Transmission Oil Filter Remove and Install
04 - Engine
Engine Remove and Install—6.8 L
Engine Remove and Install—8.1 L
POWERTECH ® 4.5 L & 6.8 L (4045 & 6068) John Deere Engines
POWERTECH ® 8.1 L (6081) John Deere Engines
05 - Engine Auxiliary System
10 - Cooling System
Charge Air Cooler Remove and Install
Fan Belt Tensioner Remove and Install
Fan Drive Assembly Remove and Install
Fan Drive Hub Disassemble and Assemble
Fan Pulley Disassemble and Assemble
Fan Pulley Remove and Install
Fan Remove and Install
Oil Cooler Remove and Install
Radiator Remove and Install
60 - External Fuel Supply Systems
Fuel Tank Remove and Install
07 - Torsional Isolator
Torsional Isolator Remove and Install
09 - Steering Systems
20 - Power Steering
Toe-In Check and Adjustment—(HFWD or Non-HFWD)
60 - Hydraulic System
Hydraulic Cylinder Repair
Steering Cylinder Remove and Install
Steering Valve Disassemble and Assemble
Steering Wheel, Column, and Valve Remove and Install
Wheel Lean Cylinder Remove and Install
10 - Service Brakes
11 - Active Elements
Service Brake Repair
60 - Hydraulic System
Brake Accumulator Remove and Install
Service Brake Bleeding
Service Brake Valve Remove and Install
11 - Park Brake
11 - Active Elements
Park Brake Repair
16 - Electrical System
71 - Batteries, Support and Cables
72 - Alternator, Regulator and Charging System Wiring
73 - Lighting System
74 - Wiring Harness and Switches
75 - System Controls
77 - Motors and Actuators
17 - Frame, Chassis or Supporting Structure
40 - Frame Installation
Separate Engine and Equipment Frame
Welding On Machine
Welding Repair of Major Structure
18 - Operator's Station
00 - Removal and Installation
Cab Remove and Install
10 - Operation Enclosure
Cab Door Handle Remove and Install
Cab Door Latch Remove and Install
Rivet Nut Installation
Windowpanes Remove and Install
21 - Seat and Seat Belt
Air Seat Suspension Disassemble and Assemble
Air Suspension Seat Disassemble and Assemble
Mechanical Seat Suspension Disassemble and Assemble
Mechanical Suspension Seat Disassemble and Assemble
Seat Belt Remove and Install
Seat Remove and Install
30 - Heating and Air Conditioning
Accumulator Remove and Install
Charge R134a System
Compressor Clutch Disassemble and Assemble
Compressor Manifold Inspect
Compressor Relief Valve Remove and Install
Compressor Remove and Install
Condenser Remove and Install
Evacuate R134a System
Flush and Purge Air Conditioner System
Heater and Air Conditioner Remove and Install
R134a Refrigerant Oil Information
R134a Refrigerant Recovery _ Recycling and Charging Station Installation Procedure
Receiver _ Dryer Remove and Install
Recover R134a Refrigerant
Refrigerant Cautions and Proper Handling
19 - Sheet Metal and Styling
Grille Housing Remove and Install
21 - Main Hydraulic System
60 - Hydraulic System
Attenuator Remove and Install
Hydraulic Oil Tank Remove and Install
Hydraulic Pump Disassemble and Assemble
Hydraulic Pump Remove and Install
Hydraulic System Manifold Disassemble and Assemble
Hydraulic System Manifold Remove and Install
Soft Start Valve Disassemble and Assemble
Soft Start Valve Remove and Install
34 - Grading Device
15 - Controls Linakage
Console Tilt Remove and Install
Steering Support Console Remove and Install
Steering Tilt Assembly Remove and Install
40 - Frames
Blade Side Shift Clearance Measure and Adjust
Blade Side Shift Wear Inserts Install and Adjust
Circle Adjustment
Draft, Circle, and Blade Tilt Frame Remove and Install
Lift Arms, Saddle Frame and Locking Pin Bracket Remove and Install
Saddle Lock Cylinder Disassemble and Assemble
50 - Circle Gearbox
Circle Drive Gearbox Disassemble and Assemble
Circle Drive Gearbox (With Slip Clutch) Disassemble and Assemble
60 - Hydraulic System
Blade Lift, Blade Tilt and Circle Side Shift Cylinders Remove and Install
Blade Lift Valve Section Disassemble and Assemble
Blade Side Shift, Blade Tilt, Articulation, Wheel Lean, or Circle Side Shift Valve Section Disassemble and Assemble
Circle Rotate Valve Section Disassemble and Assemble
Grader Control Valve Disassemble and Assemble
Grader Control Valve Remove and Install
Midmount Scarifier Valve Section Disassemble and Assemble
Return Check Poppets Disassemble and Assemble
Rotary Manifold Disassemble and Assemble
Rotary Manifold Remove and Install
Rotate Motor Disassemble and Assemble
Scarifier or Ripper Valve Section Disassemble and Assemble
42 - Ground Conditioning Tools
40 - Frames
Midmount Scarifier Remove and Install
Ripper Remove and Install
Scarifier Remove and Install
99 - Dealer Fabricated Tools
DF1017—Axle Lift Eye
DF1057—Axle Adjusting Tool
DFRW103—Yoke Holding Tool [Tool may be purchased. Order JDG924.]
DFRW20 Compressor Holding Fixture
DFT1101 Cab and ROPS Lift Bracket
DFT1151—Outboard Bearing Driver
DFT1152—Inboard Bearing Driver
DFT1153—Oil Seal Driver
DFT1225—Rolling Torque Measurement Tool
DFT1253 Transmission Support Bracket
DFT1282—King Pin Torque Adapter
John Deere Motor Graders 670D, 672D, 770D, 772D, 870D, 872D Service Repair Manual (TM2256)
