John Deere 770G, 770GP, 772G, and 772GP Motor Graders Repair Service Manual (TM14073X19)
Complete Repair Service Technical Manual for John Deere 770G, 770GP, 772G, and 772GP Motor Graders, with all the shop information to maintain, repair, and rebuild like professional mechanics.
John Deere 770G, 770GP, 772G, and 772GP Motor Graders workshop technical manual (repair) 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.
tm14073x19 - John Deere 770G, 770GP, 772G, and 772GP Motor Graders Technical Manual - Repair.pdf
tm14073x28 - Niveleuses 770G, 770GP, 772G et 772GP.pdf
PRODUCT DETAILS:
Total Pages: 892 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English French
Category: Repair
Models:
John Deere - Motor Grader - 1DW770GX_ _F678818—680877
John Deere - Motor Grader - 1DW770GP_ _F678818—680877
TABLE OF CONTENTS....1
Section 00: General Information....16
Group 0001: Safety....16
Information for European Union Directives and Eurasian Economic Union Technical Regulations Compliance....22
Recognize Safety Information....26
Follow Safety Instructions....27
Operate Only If Qualified....28
Wear Protective Equipment....29
Avoid Unauthorized Machine Modifications....30
Inspect Machine....31
Stay Clear of Moving Parts....32
Avoid High-Pressure Fluids....33
Avoid High-Pressure Oils....34
Work In Ventilated Area....35
Avoid Static Electricity Risk When Refueling....36
High Debris Applications....38
Prevent Fires....39
In Case of Machine Fire....40
Prevent Battery Explosions....41
Handle Chemical Products Safely....42
Handle Starting Fluid Safely....43
Decommissioning — Proper Recycling and Disposal of Fluids and Components....44
Exhaust Filter Ash Handling and Disposal....45
Prepare for Emergencies....46
Clean Debris from Machine....47
Use Steps and Handholds Correctly....48
Start Only From Operator's Seat....49
Use and Maintain Seat Belt....50
Prevent Unintended Machine Movement....51
Avoid Work Site Hazards....53
Keep Riders Off Machine....55
Avoid Backover Accidents....56
Avoid Machine Tip Over and Machine Damage....57
Operating or Traveling On Public Roads....58
Inspect and Maintain ROPS....59
Travel Safely....60
Prevent Acid Burns....61
Add and Operate Attachments Safely....63
Park and Prepare for Service Safely....64
Service Machines Safely....65
Clean Exhaust Filter Safely....66
Service Cooling System Safely....69
Remove Paint Before Welding or Heating....70
Make Welding Repairs Safely....71
Drive Metal Pins Safely....72
Service Tires Safely....73
Use Proper Lifting Equipment....74
Group 0003: Torque Values....17
Metric Bolt and Cap Screw Torque Values....77
Additional Metric Cap Screw Torque Values....79
Unified Inch Bolt and Cap Screw Torque Values....81
Service Recommendations for 37° Flare and 30° Cone Seat Connectors....84
Service Recommendations for O-Ring Boss Fittings....86
Service Recommendations for Flared Connections—Straight or Tapered Threads....88
Service Recommendations for Flat Face O-Ring Seal Fittings....90
O-Ring Face Seal Fittings With SAE Inch Hex Nut and Stud End for High-Pressure Service Recommendations....92
O-Ring Face Seal Fittings With Metric Hex Nut and Stud End for Standard Pressure Service Recommendations....94
O-Ring Face Seal Fittings With Metric Hex Nut and Stud End for High-Pressure Service Recommendations....97
Service Recommendations for Metric Series Four Bolt Flange Fitting....100
Service Recommendations For Inch Series Four Bolt Flange Fittings....102
Inch Series Four Bolt Flange Fitting for High-Pressure Service Recommendations....104
Service Recommendations For Non-Restricted Banjo (Adjustable) Fittings....106
Service Recommendations For O-Ring Boss Fittings With Shoulder....109
Metric 24° O-Ring Seal DIN 20078 Service Recommendations....112
Section 01: Wheels....116
Group 0110: Powered Wheels and Fasteners....116
Wheel Remove and Install....118
Tire Remove and Install....119
Section 02: Axles and Suspension Systems....122
Group 0225: Input Drive Shafts and U-Joints....122
Transmission-to-Rear Axle Drive Shaft Remove and Install....126
Transmission-to-Rear Axle Drive Shaft Disassemble and Assemble....128
Group 0230: Non-Powered Wheel Axles....122
Front Wheel Hub and Spindle Remove and Install—Non 6WD....134
Front Wheel Hub and Spindle Disassemble and Assemble—Non 6WD....138
Front Axle Remove and Install—Non 6WD....145
Group 0240: Powered Wheel Axle....122
Front Wheel Hub and Spindle Remove and Install—6WD....156
Front Wheel Hub and Spindle Disassemble and Assemble—6WD....162
Front Wheel Hub and Spindle Disassemble and Assemble With Steering Angle Sensor—6WD....169
6WD Drive Hub Disassemble and Assemble....176
Planetary Drive Disassemble and Assemble....178
Planetary Brake Disassemble and Assemble....181
6WD Bearings Remove and Install....190
6WD O-Ring Metal Face Seal Remove and Install....194
Front Axle Remove and Install—6WD....203
Group 0250: Axle Shaft, Bearings, and Reduction Gears....122
TeamMate™ II 1400 Series Inboard Planetary Axle—Use CTM138619....211
Rear Axle Remove and Install....212
Tandem and Wheel Axle Assembly Remove and Install....217
Tandem Wheel Axle Assembly Remove and Install....221
Tandem Wheel Axle Assembly Disassemble and Assemble....224
Tandem Pivot Disassemble and Assemble....229
Final Drive Axle Remove and Install....234
Tandem Drive Shaft Remove and Install....242
Drive Chain Remove and Install....248
Group 0260: Hydraulic System....122
Six-Wheel Drive (6WD) Pump Remove and Install....257
6WD Pump Disassemble and Assemble....262
6WD Charge Pump Remove and Install....269
6WD Engagement Manifold Remove and Install....273
Differential Lock Pump Remove and Install....276
6WD Motor Remove and Install....278
6WD Motor Disassemble and Assemble....280
Section 03: Transmission....284
Group 0300: Removal and Installation....284
Transmission Remove and Install....293
DF180 Transmission....301
Group 0360: Hydraulic System....284
Transmission Charge Pump Remove and Install....306
Section 04: Engine....309
Group 0400: Removal and Installation....309
John Deere Engine....311
Engine Remove and Install....312
Flywheel Housing Remove and Install....320
Section 05: Engine Auxiliary System....324
Group 0510: Cooling System....324
Fan Blade Remove and Install....327
Radiator Remove and Install....329
Hydraulic Oil Cooler Remove and Install....331
Transmission and Differential Oil Cooler Remove and Install....333
Fuel Cooler Remove and Install....335
Charge Air Cooler Remove and Install....337
Group 0530: External Exhaust System....324
Exhaust Tube Remove and Install....341
Diesel Oxidation Catalyst (DOC) Remove and Install....343
Diesel Particulate Filter (DPF) Remove and Install....347
Outlet Cone Remove and Install....350
Exhaust Filter Structure Remove and Install....353
Service Filter Cleaning....358
Selective Catalyst Reduction (SCR) Remove and Install....359
Diesel Exhaust Fluid (DEF) Tank Remove and Install....361
Diesel Exhaust Fluid (DEF) Tank Header Remove and Install....362
Diesel Exhaust Fluid (DEF) Tank Header Disassemble and Assemble....364
Diesel Exhaust Fluid (DEF) Tank Cleaning Procedure....366
Diesel Exhaust Fluid (DEF) Dosing Unit Remove and Install....368
Coolant Control Valve Remove and Install....370
Diesel Exhaust Fluid (DEF) Dosing Injector Remove and Install....374
Diesel Exhaust Fluid (DEF) Decomposition Tube Remove and Install....375
Group 0560: External Fuel Supply Systems....324
Fuel Tank Remove and Install....384
Fast Fill Fuel System Disassemble and Assemble—If Equipped....392
Section 07: Torsional Isolator....396
Group 0752: Elements....396
Torsional Isolator Remove and Install....399
Section 09: Steering System....401
Group 0920: Power Steering....401
Toe-In Check and Adjustment....404
Group 0960: Hydraulic System....401
Steering Wheel, Column, and Valve Remove and Install—Standard Controls....409
Steering Wheel, Column, and Valve Remove and Install—EH Controls....412
EH Controls Steering Canceling Valve Remove and Install....416
Steering Valve Disassemble and Assemble....418
Steering Cylinder Remove and Install....425
Hydraulic Cylinder Disassemble and Assemble....429
Wheel Lean Cylinder Remove and Install....430
Secondary Steering Accumulator Remove and Install—If Equipped....434
Section 10: Service Brakes....436
Group 1011: Active Elements....436
Service Brake Repair....438
Group 1060: Hydraulic System....436
Service Brake Valve Remove and Install....442
Service Brake Bleeding....445
Brake Accumulator Remove and Install....446
Section 11: Park Brake....448
Group 1111: Active Elements....448
Park Brake Repair....450
Section 16: Electrical System....451
Group 1600: Removal and Installation....451
Controller Remove and Install....454
Steering Angle Sensor Remove and Install....456
Replace Weather Pack™ Connector....460
Install Weather Pack™ Contact....462
Replace DEUTSCH® Connectors....464
Replace DEUTSCH® Rectangular or Triangular Connectors....466
Install DEUTSCH® Contact....468
Replace (Pull Type) Metri-Pack™ Connectors....470
Replace (Push Type) Metri-Pack™ Connectors....472
Replace CINCH CINCH is a trademark of the Cinch Co. Connectors....451
Install CINCH CINCH is a trademark of the Cinch Co. Contact....451
Repair 32 and 48 Way CINCH® Connectors....477
Section 17: Frame or Supporting Structure....481
Group 1740: Frame Installation....481
Welding On Machine....483
Welding Repair of Major Structure....484
Separate Frames at Articulation Joint....486
Articulation Bearing Replacement....492
Rear Platform Remove and Install....496
Section 18: Operator's Station....504
Group 1800: Removal and Installation....504
Cab Remove and Install....514
Cab Remove and Install—GP Machine Only....522
Group 1810: Operator Enclosure....504
Windowpanes Remove and Install....532
Cab Door Handle Remove and Install....534
Cab Door Latch Remove and Install....536
Rivet Nut Installation....538
Wiper Arm Installation....543
Group 1815: Pedal Assembly....504
Inching Pedal Remove and Install....548
Group 1816: Steering Tilt Console....504
Steering Support Console Remove and Install—Standard Controls....553
Steering Support Console Remove and Install—EH Controls....556
Console Tilt Remove and Install....559
Steering Tilt Assembly Remove and Install....562
Group 1821: Seat and Seat Belt....504
Seat Remove and Install....566
Seat Belt Remove and Install....569
Armrest Remove and Install....571
Armrest Remove and Install—EH Controls....572
Armrest Disassemble and Assemble—EH Controls....574
Standard Seat Disassemble and Assemble....576
Deluxe Seat Disassemble and Assemble....578
Air Suspension Disassemble and Assemble....580
Group 1830: Heating and Air Conditioning....504
R134a Refrigerant Cautions and Proper Handling....583
Flush and Purge Air Conditioning System....584
R134a Refrigerant Oil Information....586
R134a Refrigerant Recovery, Recycling, and Charging Station Installation Procedure....588
Recover R134a Refrigerant....590
Evacuate R134a System....591
Charge R134a System....593
Expansion Valve Remove and Install....595
Freeze Control Switch Remove and Install....600
Heater Control Valve Remove and Install....602
Blower Motor Assembly Remove and Install....605
Compressor Remove and Install....606
Condenser Remove and Install....608
Heater and Air Conditioner Remove and Install....611
Receiver-Dryer Remove and Install....616
Heater Control Valve Leak Check....618
Section 19: Sheet Metal and Styling....619
Group 1910: Engine Enclosure....619
Engine Service Doors and Side Shields Remove and Install....624
Engine Covers Remove and Install....628
Group 1921: Grille and Grille Housing....619
Grille Housing Remove and Install....633
Section 21: Main Hydraulic System....635
Group 2160: Hydraulic System....635
Vacuum Pump Installation....637
Hydraulic Pump Remove and Install....638
Hydraulic Pump Disassemble and Assemble....641
Hydraulic System Manifold Remove and Install....646
Hydraulic System Manifold Disassemble and Assemble....648
Soft Start Valve Remove and Install....650
Hydraulic Fan Pump Remove and Install....651
Hydraulic Fan Motor Remove and Install....653
Hydraulic Fan Valve Remove and Install....655
Hydraulic Attenuator Remove and Install....657
Hydraulic Oil Tank Remove and Install....659
General Oil Cleanup Procedure....665
Hydraulic Component Failure Cleanup Procedure....668
Section 34: Grading Device....670
Group 3415: Controls Linkage....670
Control Linkage Remove and Install....674
Group 3440: Frames....670
Lift Arms Remove and Install....681
Saddle Locking Cylinder Remove and Install....686
Saddle Locking Pin Disassemble and Assemble....689
Saddle Frame Remove and Install....692
Blade Pitch Frame Remove and Install....694
Draft and Circle Frame Remove and Install....698
Circle Adjustment....703
Blade Side Shift Wear Inserts Remove and Install....710
Group 3450: Circle Gearbox....670
Circle Drive Gearbox Remove and Install....715
Dual Input Circle Drive Gearbox Remove and Install—If Equipped....717
Circle Drive Gearbox Disassemble and Assemble....721
Circle Drive Gear Case (With Slip Clutch) Disassemble and Assemble....726
Dual Input Circle Drive Gearbox Disassemble and Assemble—If Equipped....744
Dual Input Circle Drive Gear Case (With Slip Clutch) Disassemble and Assemble—If Equipped....749
Circle Rotate Motor Disassemble and Assemble....756
Circle Rotate Sensor Remove and Install....774
Group 3460: Hydraulic System....670
Grader Control Valve Remove and Install....784
Draft Frame Mount Grader Control Valve Remove and Install—EH Controls....790
Cab Mount Grader Control Valve Remove and Install—EH Controls....794
Grader Control Valve Disassemble and Assemble....797
Midmount Scarifier Valve Section Disassemble and Assemble....802
Midmount Scarifier Valve Section Disassemble and Assemble—EH Controls....805
Blade Lift Valve Section Disassemble and Assemble....808
Blade Lift Valve Section Disassemble and Assemble—EH Controls....811
Auxiliary (With Float) Valve Section Disassemble and Assemble....814
Auxiliary (Without Float) Valve Section Disassemble and Assemble....817
Auxiliary Valve Section Disassemble and Assemble—EH Controls....820
Wheel Lean, Articulation, Circle Side Shift, Blade Pitch, and Blade Side Shift Valve Section Disassemble and Assemble....823
Wheel Lean, Articulation, Circle Side Shift, Blade Pitch, Blade Side Shift, and Steering Valve Section Disassemble and Assemble—EH Controls....826
Circle Rotate Valve Section Disassemble and Assemble....829
Circle Rotate Valve Section Disassemble and Assemble—EH Controls....832
Return Check Poppets Disassemble and Assemble....834
Rotary Manifold Remove and Install....835
Rotary Manifold Disassemble and Assemble....837
Blade Lift, Blade Pitch, and Circle Side Shift Cylinders Remove and Install....839
Blade Side Shift Cylinder Remove and Install....841
Articulation Cylinders Remove and Install....844
Section 42: Ground Conditioning Tool....846
Group 4240: Frames....846
Midmount Scarifier Remove and Install....855
Midmount Scarifier Cylinder Remove and Install....863
Ripper Remove and Install....865
Ripper Cylinders Remove and Install....868
Section 99: Dealer Fabricated Tools....871
Group 9900: Dealer Fabricated Tools....871
DF1057—Axle Adjusting Tool....874
DFT1151—Outboard Bearing Driver....876
DFT1152—Inboard Bearing Driver....877
DFT1225—Rolling Torque Measurement Tool....878
DFT1282—King Pin Torque Adapter....879
DFT1310—Cab Mount Control Valve Support Bracket....880
DFT1376 Fan Hub Puller....881
DFT1380 Lift Bracket....882
DFT1382 Lift Bracket....887
DFT1382-1 Attachment....889
John Deere 770G, 770GP, 772G, and 772GP Motor Graders Repair Service Manual (TM14073X19)
