John Deere 770G Motor Grader Workshop Repair Manual PDF Download TM14443X019 - MJODTM14443X019.zip
A full-service repair guide for the John Deere 770G Motor Grader, packed with everything a professional-grade technician needs to service, fix, and rebuild the machine.
This John Deere 770G Motor Grader service workshop manual (repair) covers:
* 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.
TM14443X019 - John Deere 770G Motor Graders Technical Manual - Repair.pdf
PRODUCT DETAILS:
Total Pages: 768 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
Category: Repair
John Deere - 770G Motor Grader - 1BZ770G_ _ _D000001
Published on 2021/01/01
TABLE OF CONTENTS (TM14443X19)
Section 00: General Information...15
Group 0001: Safety...15
Information for European Union Directives and Eurasian Economic Union Technical Regulations Compliance...23
Recognize Safety Information...28
Follow Safety Instructions...29
Operate Only If Qualified...30
Wear Protective Equipment...31
Protect Against Noise...32
Avoid Unauthorized Machine Modifications...33
Inspect Machine...34
Stay Clear of Moving Parts...35
Avoid High-Pressure Fluids...36
Avoid High-Pressure Oils...37
Work In Ventilated Area...38
Avoid Static Electricity Risk When Refueling...39
High Debris Applications...41
Prevent Fires...42
In Case of Machine Fire...44
Prevent Battery Explosions...45
Handle Chemical Products Safely...46
Handle Starting Fluid Safely...47
Decommissioning — Proper Recycling and Disposal of Fluids and Components...48
Prepare for Emergencies...49
Clean Debris from Machine...50
Use Steps and Handholds Correctly...51
Start Only From Operator's Seat...52
Use and Maintain Seat Belt...53
Heated and Ventilated Operator’s Seat...54
Prevent Unintended Machine Movement...55
Avoid Work Site Hazards...57
Keep Riders Off Machine...59
Avoid Backover Accidents...60
Avoid Machine Tip Over and Machine Damage...61
Operating or Traveling On Public Roads...62
Inspect and Maintain ROPS...63
Operating in Water and Mud...64
Travel Safely...65
Prevent Acid Burns...66
Add and Operate Attachments Safely...68
Park And Prepare For Service Safely...69
Service Machines Safely...70
Service Cooling System Safely...71
Service Accumulator Systems Safely...72
Remove Paint Before Welding or Heating...73
Make Welding Repairs Safely...74
Drive Metal Pins Safely...75
Service Tires Safely...76
Use Proper Lifting Equipment...77
Group 0003: Torque Values...16
Metric Bolt and Cap Screw Torque Values...81
Additional Metric Cap Screw Torque Values...84
Unified Inch Bolt and Cap Screw Torque Values...86
Service Recommendations for 37° Flare and 30° Cone Seat Connectors...89
Service Recommendations for O-Ring Boss Fittings...91
Service Recommendations for Flared Connections—Straight or Tapered Threads...93
Service Recommendations for Flat Face O-Ring Seal Fittings...95
O-Ring Face Seal Fittings With SAE Inch Hex Nut and Stud End for High-Pressure Service Recommendations...97
O-Ring Face Seal Fittings With Metric Hex Nut and Stud End for Standard Pressure Service Recommendations...99
O-Ring Face Seal Fittings With Metric Hex Nut and Stud End for High-Pressure Service Recommendations...102
Service Recommendations for Metric Series Four Bolt Flange Fitting...105
Service Recommendations For Inch Series Four Bolt Flange Fittings...107
Inch Series Four Bolt Flange Fitting for High-Pressure Service Recommendations...109
Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings...111
Service Recommendations For O-Ring Boss Fittings With Shoulder...114
Metric 24° O-Ring Seal DIN 20078 Service Recommendations...117
Section 01: Wheels...121
Group 0110: Wheels and Fasteners...121
Wheel Remove and Install...123
Tire Remove and Install...124
Section 02: Axles and Suspension Systems...127
Group 0225: Input Drive Shafts and U-Joints...127
Transmission-to-Rear Axle Drive Shaft Remove and Install...130
Transmission-to-Rear Axle Drive Shaft Disassemble and Assemble...132
Group 0230: Front Axle...127
Front Wheel Hub and Spindle Remove and Install...139
Front Wheel Hub and Spindle Disassemble and Assemble...144
Front Axle Remove and Install...151
Group 0250: Axle Shaft, Bearings, and Reduction Gears...127
TeamMate™ II 1400 Series Inboard Planetary Axle—Use CTM138619...157
Rear Axle Remove and Install...158
Tandem and Wheel Axle Assembly Remove and Install...163
Tandem Wheel Axle Assembly Remove and Install...167
Tandem Wheel Axle Assembly Disassemble and Assemble...170
Tandem Pivot Disassemble and Assemble...175
Final Drive Axle Remove and Install...180
Tandem Drive Shaft Remove and Install...188
Drive Chain Remove and Install...194
Group 0260: Hydraulic System...127
Differential Lock Pump Remove and Install...200
Section 03: Transmission...202
Group 0300: Removal and Installation...202
Transmission Remove and Install...210
DF180 Transmission...217
Group 0360: Hydraulic System...202
Transmission Charge Pump Remove and Install...222
Section 04: Engine...225
Group 0400: Removal and Installation...225
John Deere Engine...227
Engine Remove and Install—Engine 6090HDW37...228
Engine Remove and Install—Engine 6090HDW38...229
Section 05: Engine Auxiliary System...242
Group 0510: Cooling Systems...242
Fan Blade Remove and Install...246
Radiator Remove and Install...249
Hydraulic and Differential Oil Cooler Remove and Install...253
Transmission Oil Cooler Remove and Install...256
Fuel Cooler Remove and Install...259
Charge Air Cooler Remove and Install...261
Group 0530: External Exhaust Systems...242
Fuel Tank Remove and Install...271
Section 07: Torsional Isolator...277
Group 0752: Elements...277
Torsional Isolator Remove and Install...280
Section 09: Steering System...282
Group 0920: Power Steering...282
Toe-In Check and Adjustment...285
Group 0960: Hydraulic System...282
Steering Wheel, Column, and Valve Remove and Install...291
Steering Valve Disassemble and Assemble...295
Steering Cylinder Remove and Install...302
Hydraulic Cylinder Disassemble and Assemble...306
Wheel Lean Cylinder Remove and Install...307
Section 10: Service Brakes...311
Group 1011: Active Elements...311
Service Brake Repair...313
Group 1060: Hydraulic System...311
Service Brake Valve Remove and Install...316
Service Brake Bleeding...318
Brake Accumulator Remove and Install...319
Section 11: Park Brake...321
Group 1111: Active Elements...321
Park Brake Repair...323
Section 16: Electrical System...324
Group 1600: Removal and Installation...324
Controller Remove and Install...326
Steering Angle Sensor Remove and Install...327
Replace (Pull-Type) Metri-Pack® Connectors...329
Replace (Push-Type) Metri-Pack® Connectors...331
Replace Metri-Pack® Connectors...332
Replace Weather Pack™ Connector...334
Install Weather Pack™ Contact...336
Replace DEUTSCH® Rectangular or Triangular Connectors...338
Replace DEUTSCH® Circular Connectors...340
Replace DEUTSCH® Connectors...342
Install DEUTSCH® Contact...344
Replace Cinch™ Connectors...346
Install Cinch™ Contact...348
Repair 32 and 48-Way Cinch™ Connectors...350
Remove Connector Body From Blade Terminals...355
Repair Molex Connectors...356
Replace TYCO™ Connectors...359
Section 17: Frame or Supporting Structure...361
Group 1740: Frame Installation...361
Welding On Machine...363
Welding Repair of Major Structure...364
Separate Frames at Articulation Joint...366
Articulation Bearing Replacement...371
Rear Platform Remove and Install...375
Section 18: Operator's Station...383
Group 1800: Removal and Installation...383
Cab Remove and Install...395
Group 1810: Operator Enclosure...383
Windowpanes Remove and Install...408
Cab Door Handle Remove and Install...411
Cab Door Latch Remove and Install...413
Rivet Nut Installation...415
Wiper Arm Installation...420
Group 1815: Pedal Assembly...383
Inching Pedal Remove and Install...425
Group 1816: Steering Tilt Console...383
Steering Support Console Remove and Install...430
Console Tilt Remove and Install...433
Steering Tilt Assembly Remove and Install...436
Group 1821: Seat and Seat Belt...383
Seat Remove and Install...441
Mechanical Seat Remove and Install...445
Seat Belt Remove and Install...448
Armrest Remove and Install...450
Standard Seat Disassemble and Assemble...451
Mechanical Seat Disassemble and Assemble...453
Deluxe Seat Disassemble and Assemble...455
Air Suspension Disassemble and Assemble...457
Group 1830: Heating and Air Conditioning...383
R134a Refrigerant Cautions and Proper Handling...460
Flush and Purge Air Conditioning System...461
R134a Refrigerant Oil Information...463
R134a Refrigerant Recovery, Recycling, and Charging Station Installation Procedure...465
Recover R134a Refrigerant...467
Evacuate R134a System...468
Charge R134a System...470
Expansion Valve Remove and Install...472
Freeze Control Switch Remove and Install...477
Heater Control Valve Remove and Install...479
Blower Motor Assembly Remove and Install...482
Compressor Remove and Install...483
Condenser Remove and Install...486
Heater and Air Conditioner Remove and Install...490
Receiver-Dryer Remove and Install...495
Heater Control Valve Leak Check...497
Section 19: Sheet Metal and Styling...498
Group 1910: Engine Enclosure...498
Engine Service Doors and Side Shields Remove and Install...500
Engine Covers Remove and Install...501
Group 1921: Grille and Grille Housing...498
Grille Housing Remove and Install...511
Section 21: Main Hydraulic System...516
Group 2160: Hydraulic System...516
Vacuum Pump Installation...518
Hydraulic Pump Remove and Install...519
Hydraulic Pump Disassemble and Assemble...522
Hydraulic System Manifold Remove and Install...527
Hydraulic System Manifold Disassemble and Assemble...530
Hydraulic Fan Pump Remove and Install...532
Hydraulic Fan Motor Remove and Install...535
Hydraulic Fan Valve Remove and Install...537
Hydraulic Attenuator Remove and Install...540
General Oil Cleanup Procedure...542
Hydraulic Component Failure Cleanup Procedure...545
Section 34: Grading Device...547
Group 3415: Controls Linkage...547
Control Linkage Remove and Install...551
Group 3440: Frames...547
Lift Arms Remove and Install...559
Saddle Locking Cylinder Remove and Install...565
Saddle Locking Pin Disassemble and Assemble...569
Saddle Frame Remove and Install...572
Blade Pitch Frame Remove and Install...574
Draft Frame Remove and Install...578
Circle Frame Remove and Install...581
Circle Adjustment...584
Blade Side Shift Wear Inserts Remove and Install...591
Group 3450: Circle Gearbox...547
Circle Drive Gearbox Remove and Install...597
Dual Input Circle Drive Gearbox Remove and Install—If Equipped...600
Circle Drive Gearbox Disassemble and Assemble...605
Circle Drive Gear Case (With Slip Clutch) Disassemble and Assemble...610
Dual Input Circle Drive Gearbox Disassemble and Assemble—If Equipped...628
Dual Input Circle Drive Gear Case (With Slip Clutch) Disassemble and Assemble—If Equipped...633
Premium Circle Drive Gearbox Remove and Install...640
Premium Circle Drive Gearbox Disassemble and Assemble...643
Circle Rotate Motor Disassemble and Assemble...647
Circle Rotate Sensor Remove and Install...665
Group 3460: Hydraulic System...547
Grader Control Valve Remove and Install...676
Grader Control Valve Disassemble and Assemble...683
Midmount Scarifier Valve Section Disassemble and Assemble...686
Blade Lift Valve Section Disassemble and Assemble...689
Auxiliary (With Float) Valve Section Disassemble and Assemble...692
Auxiliary (Without Float) Valve Section Disassemble and Assemble...695
Wheel Lean, Articulation, Circle Side Shift, Blade Pitch, and Blade Side Shift Valve Section Disassemble and Assemble...698
Circle Rotate Valve Section Disassemble and Assemble...701
Return Check Poppets Disassemble and Assemble...704
Rotary Manifold Remove and Install...705
Rotary Manifold Disassemble and Assemble...708
Blade Lift, Blade Pitch, and Circle Side Shift Cylinders Remove and Install...710
Blade Side Shift Cylinder Remove and Install...715
Articulation Cylinders Remove and Install...718
Section 42: Ground Conditioning Tool...721
Group 4240: Frames...721
Midmount Scarifier Remove and Install...730
Midmount Scarifier Cylinder Remove and Install...738
Ripper Remove and Install...740
Ripper Cylinders Remove and Install...743
Section 99: Dealer Fabricated Tools...746
Group 9900: Dealer Fabricated Tools...746
DF1057—Axle Adjusting Tool...749
DFT1151 Outboard Bearing Driver...751
DFT1152 Inboard Bearing Driver...752
DFT1225—Rolling Torque Measurement Tool...753
DFT1282—King Pin Torque Adapter...754
DFT1308 Transmission Support Bracket...755
DFT1310—Cab Mount Control Valve Support Bracket...757
DFT1376 Fan Hub Puller...758
DFT1380 Lift Bracket...759
DFT1382 Lift Bracket...764
DFT1382-1 Attachment...766
John Deere 770G Motor Graders Technical Manual - Repair (TM14443X019)