John Deere 770G, 770GP, 772G, and 772GP Motor Graders Manual (OMT342548)
Complete operator's service manual for John Deere 770G, 770GP, 772G, and 772GP Motor Graders, with all the technical information to maintain & operate your Grader.
PRODUCT DETAILS:
Total Pages: 613 pages
File Format: PDF (Internal Links, Bookmarked, Table of Contents, Searchable, Printable, high quality)
Language: English
omt342548 - 770G, 770GP, 772G, and 772GP Motor Graders Operator's Manual.pdf
omt342548 - 770G, 770GP, 772G, and 772GP Motor Graders Operator's Manual.epub
MAIN SECTIONS
TABLE OF CONTENTS.......1
Section 1-1: Safety—Safety and Operator Conveniences.......36
Safety and Operator Convenience Features.......37
Section 1-2: Safety—General Precautions.......39
Information for European Union Directives and Eurasian Economic Union Technical Regulations Compliance.......40
Recognize Safety Information.......44
Follow Safety Instructions.......45
Operate Only If Qualified.......46
Wear Protective Equipment.......47
Avoid Unauthorized Machine Modifications.......48
Inspect Machine.......49
Stay Clear of Moving Parts.......50
Avoid High-Pressure Fluids.......51
Avoid High-Pressure Oils.......52
Work In Ventilated Area.......53
Avoid Static Electricity Risk When Refueling.......54
Prevent Fires.......56
In Case of Machine Fire.......57
Prevent Battery Explosions.......58
Handle Chemical Products Safely.......59
Handle Starting Fluid Safely.......60
Decommissioning — Proper Recycling and Disposal of Fluids and Components.......61
Prepare for Emergencies.......62
Clean Debris from Machine.......63
Add Cab Guarding for Special Uses.......64
Section 1-3: Safety—Operating Precautions.......65
Use Steps and Handholds Correctly.......66
Start Only From Operator's Seat.......67
Use and Maintain Seat Belt.......68
Prevent Unintended Machine Movement.......69
Avoid Work Site Hazards.......70
Keep Riders Off Machine.......72
Avoid Backover Accidents.......73
Avoid Machine Tip-Over.......74
Operating or Traveling On Public Roads.......75
Inspect and Maintain ROPS.......76
Travel Safely.......77
Prevent Acid Burns.......78
Add and Operate Attachments Safely.......80
Section 1-4: Safety—Maintenance Precautions.......81
Park and Prepare for Service Safely.......82
Service Cooling System Safely.......83
Remove Paint Before Welding or Heating.......84
Make Welding Repairs Safely.......85
Drive Metal Pins Safely.......86
Service Tires Safely.......87
Section 1-5: Safety—Safety Signs.......89
Safety Signs.......89
Section 2-1: Operation—Operator’s Station.......97
Advanced Display Unit (ADU).......98
Display Unit Functions.......100
Sealed Switch Module.......109
Switch Module Functions.......111
Front Console.......114
Adjusting Front Console.......116
Engine Speed Control and 6WD Switches.......117
Levers.......119
Levers—Grade Pro Machines Only.......121
Pedals.......123
Lights.......124
Heating and Fan Controls.......126
Fire Extinguisher Mounting Location.......127
Opening Lower Front Windows—If Equipped.......128
Opening Side Windows.......129
Cab Door Release.......130
Adjusting Seat.......131
Adjusting Premium Seat—If Equipped.......133
Adjusting Premium Seat—Grade Pro Machines Only.......135
12-Volt Auxiliary Power Outlet.......97
Radio—If Equipped.......139
Section 2-2: Operation—Operating the Machine.......142
Before Starting Work.......143
Inspect Machine Daily Before Starting.......144
Check Instruments Before Starting.......145
Battery Disconnect Switch.......146
Engine Break-In Period.......147
Starting the Engine.......562
Cold Weather Starting.......151
Using Coolant Heater—If Equipped.......152
Using Hydraulic Pump Softstart Valve—If Equipped.......153
Check Instruments After Starting.......154
Stopping the Engine.......562
Secondary Steering—If Equipped.......156
Emergency Stopping.......157
Engine Speed Control Operation.......158
6WD Operation—If Equipped.......142
Precision Mode Operation—If Equipped.......162
Operation on a Grade.......164
Transmission Control and Park Brake Lever Operation.......165
Hydraulic Control Lever Operation.......167
Hydraulic Control Lever Operation—Grade Pro Machines Only.......174
Cross Slope Control System Operation—Grade Pro Machines Only.......181
Using Differential Lock.......185
Disengaging and Engaging Saddle Lock Pin.......188
Moving Blade to Bank Position.......190
Parking the Machine.......192
Transmission—Limp Home.......194
Transmission Operation.......195
Rear Camera—If Equipped.......197
Tire Changing Tip.......199
Lifting the Machine.......200
Loading Machine on a Trailer.......203
Towing Procedure.......206
Section 2-3: Operation—Monitor Operation.......208
Display Unit—Normal Display.......210
Display Unit—Main Menu.......212
Display Unit—Main Menu—Codes.......214
Display Unit—Main Menu—Codes—Active Codes and Stored Codes.......216
Display Unit—Main Menu—Machine Settings.......217
Display Unit—Main Menu—Machine Settings—Reverse Fan Cycle—If Equipped.......219
Display Unit—Main Menu—Machine Settings—Manual Fan Reversal—If Equipped.......220
Display Unit—Main Menu—Machine Settings—Job Timer.......221
Display Unit—Main Menu—Machine Settings—Stopwatch.......222
Display Unit—Main Menu—Machine Settings—Auto Shutdown.......223
Display Unit—Main Menu—Machine Settings—Rear Camera Mode—If Equipped.......224
Display Unit—Main Menu—Diagnostics.......225
Display Unit—Main Menu—Diagnostics—Machine ID.......227
Display Unit—Main Menu—Diagnostics—Battery Monitor.......228
Display Unit—Main Menu—Diagnostics—Engine Sensors.......229
Display Unit—Main Menu—Diagnostics—Transmission Sensors.......230
Display Unit—Main Menu—Diagnostics—Hydraulic Sensors.......231
Display Unit—Main Menu—Diagnostics—Switch Module.......232
Display Unit—Main Menu—Diagnostics—Machine Sensors.......233
Display Unit—Main Menu—Diagnostics—Machine Switches.......234
Display Unit—Main Menu—Diagnostics—6WD Sensors—If Equipped.......235
Display Unit—Main Menu—Diagnostics—Sensors (Grade Pro Machines Only).......236
Display Unit—Main Menu—Diagnostics—Controls (Grade Pro Machines Only).......237
Display Unit—Main Menu—Monitor Settings.......238
Display Unit—Main Menu—Security.......240
Display Unit—Main Menu—Security—Security.......243
Display Unit—Main Menu—Security—Change Owner PIN.......244
Display Unit—Main Menu—Security—Manage Operator PINs.......245
Display Unit—Main Menu—Security—Manage Transport PIN.......247
Display Unit—Main Menu—Security—Delayed Operator Logout.......249
Display Unit—Main Menu—Machine Configuration (Grade Pro Machines Only).......250
Display Unit—Main Menu—Machine Configuration—Cross Slope Sensor Cal (Grade Pro Machines Only).......252
Display Unit—Main Menu—Machine Configuration—Cross Slope Sensor Cal—Roll Cal (Grade Pro Machines Only).......253
Display Unit—Main Menu—Machine Configuration—Cross Slope Sensor Cal—Circle Rotate Cal (Grade Pro Machines Only).......260
Display Unit—Main Menu—Machine Configuration—Cross Slope Sensor Cal—Pitch Cal (Grade Pro Machines Only).......263
Display Unit—Main Menu—Machine Configuration—Cross Slope Sensor Cal—Roll and Pitch Cal (Grade Pro Machines Only).......268
Display Unit—Main Menu—Machine Configuration—Valve Cals (Grade Pro Machines Only).......276
Display Unit—Main Menu—Machine Configuration—Valve Cals—Articulation (Grade Pro Machines Only).......278
Display Unit—Main Menu—Machine Configuration—Valve Cals—Blade Side Shift (Grade Pro Machines Only).......280
Display Unit—Main Menu—Machine Configuration—Valve Cals—Circle Rotate Cal (Grade Pro Machines Only).......282
Display Unit—Main Menu—Machine Configuration—Valve Cals—Circle Side Shift Cal (Grade Pro Machines Only).......285
Display Unit—Main Menu—Machine Configuration—Valve Cals—Left Blade Lift Cal (Grade Pro Machines Only).......287
Display Unit—Main Menu—Machine Configuration—Valve Cals—Right Blade Lift Cal (Grade Pro Machines Only).......290
Display Unit—Main Menu—Machine Configuration—Valve Cals—Wheel Lean Cal (Grade Pro Machines Only).......293
Display Unit—Main Menu—Machine Configuration—Valve Cals—Steering Cal (Grade Pro Machines Only).......295
Display Unit—Main Menu—Machine Configuration—Valve Cals—Blade Pitch Cal (Grade Pro Machines Only).......297
Display Unit—Main Menu—Machine Configuration—Valve Cals—Rear Aux 1, 2, 3 and Front Aux 1, 2, 3 Cal (Grade Pro Machines Only).......299
Section 3-1: Maintenance—Machine.......302
Required Emission-Related Information.......303
Engines With Tier 3-Stage IIIA/MAR-I Emission Control.......304
Diesel Fuel.......305
Lubricity of Diesel Fuel.......307
Handling and Storing Diesel Fuel.......308
BioDiesel Fuel.......309
Supplemental Diesel Fuel Additives.......311
Testing Diesel Fuel.......312
Fuel Filters.......313
Minimizing the Effect of Cold Weather on Diesel Engines.......314
Diesel Engine Break-In™ Oil.......316
Diesel Engine Oil — Tier 2 and Stage II.......317
Engine Oil and Filter Service Intervals — Tier 2 and Stage II Engines.......319
Diesel Engine Oil — Tier 3 and Stage III.......321
Engine Oil and Filter Service Intervals.......350
Oil Filters.......325
Hydraulic Oil.......326
Transmission, Differential Housing, Tandem Drive, 6WD Hubs—If Equipped, and Circle Gear Case Oil.......328
Grease.......329
Alternative and Synthetic Lubricants.......330
Mixing of Lubricants.......331
Lubricant Storage.......332
Diesel Engine Coolant (engine with wet sleeve cylinder liners).......333
Water Quality for Mixing with Coolant Concentrate.......335
Operating in Warm Temperature Climates.......336
Testing Coolant Freeze Point.......337
Disposing of Coolant.......339
Section 3-2: Maintenance—Periodic Maintenance.......340
Engine Identification.......341
Service Machine at Specified Intervals.......343
Check the Hour Meter Regularly.......344
Fuel Tank.......345
Prepare Machine for Maintenance.......346
Locking Machine Frame.......347
Service Doors.......348
Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit.......349
Service Intervals.......350
Required Parts.......353
Section 3-3: Maintenance—As Required.......355
Clean Cooler Cores.......356
Clean and Tighten Battery Terminals.......359
Clean or Replace Cab Fresh Air and Cab Recirculation Filters.......360
Lubricate Circle Pinion.......362
Check Tire Pressure.......363
Check Blade Circle and Draft Frame Wear Inserts.......366
Check Blade Lift Cylinder Sockets.......367
Lubricate Saddle Locking Pin Holes.......368
Blade Side Shift Wear Insert Adjustment.......369
Inspect Accessory Belt and Belt Tensioner Spring.......371
Replace Engine Air Intake Filter Elements.......373
Replace Starting Fluid Cylinder—If Equipped.......375
Replace In-Line Fuel Strainer.......376
Drain Fuel Tank Sump.......377
Drain Primary Fuel Filter and Water Separator.......378
Drain Auxiliary Fuel Filter and Water Separator—If Equipped.......379
Check Coolant.......381
Check Rear Camera—If Equipped.......383
Transmission Control Unit Calibration.......466
6WD Controller Calibration—If Equipped.......355
Cross Slope Sensors Calibration—If Equipped.......387
Hydraulic Valves Calibration—If Equipped.......388
Section 3-4: Maintenance—Every 10 Hours or Daily.......389
Check Hydraulic Tank Oil Level.......390
Check Transmission Oil Level.......391
Check Engine Oil Level.......392
Check Engine Coolant Surge Tank Level.......393
Section 3-5: Maintenance—Every 50 Hours.......394
Lubricate Frame Hinge Pivots.......395
Lubricate Draft Frame Ball.......396
Lubricate Front Mounted Scarifier or Dozer Blade—If Equipped.......397
Lubricate Balderson™ Style Front Lift Group—If Equipped.......398
Lubricate Front Axle Oscillation Pin.......399
Lubricate Front Axle Lean Pivot Casting Pins.......400
Lubricate Front Axle Lean Bar Pivot.......401
Lubricate Front Axle Steering Pin.......402
Lubricate Tie Rod Ends.......403
Lubricate Steering Cylinders.......404
Lubricate Midmount Scarifier—If Equipped.......405
Lubricate Lift Cylinders.......406
Lubricate Circle Side Shift Cylinder.......407
Lubricate Saddle Locking Pin.......408
Section 3-6: Maintenance—Initial Service—250 Hours.......409
Drain and Refill Engine Break-In Oil and Replace Filter.......410
Drain and Refill Engine Break-In Oil (Quick Service)—If Equipped.......413
Replace Axle Oil Filter.......463
Replace Transmission Oil Filter.......465
Section 3-7: Maintenance—Every 250 Hours.......417
Check Battery Electrolyte Level and Terminals.......418
Take Engine Oil Sample.......421
Section 3-8: Maintenance—Every 500 Hours.......422
Drain and Refill Engine Oil and Replace Filter.......423
Drain and Refill Engine Oil (Quick Service)—If Equipped.......426
Check Tandem Oil Level.......428
Lubricate Tandem Pivots.......430
Check Axle Oil Level.......431
Check Receiver-Dryer Moisture Indicator—If Equipped.......432
Check Circle Gear Case Oil Level.......433
Check Brake Accumulator.......434
Check 6WD Hub Oil Level—If Equipped.......435
Replace Final Fuel Filter.......436
Replace Primary Fuel Filter and Water Separator.......438
Replace Auxiliary Fuel Filter and Water Separator—If Equipped.......440
Take Fluid Samples.......442
Section 3-9: Maintenance—Every 1000 Hours.......443
Drain and Refill 6WD Hub Oil—If Equipped.......444
Adjust Front Wheel Bearings—Standard Axle Only.......445
Check Engine Air Intake Hoses.......447
Check Coolant Condition.......448
Replace Fast Fill Fuel Breather Filter—If Equipped.......449
Replace Fuel Tank Breather.......450
Section 3-10: Maintenance—Every 2000 Hours.......451
Drain and Refill Axle Oil.......452
Drain and Refill Transmission Oil and Clean Transmission Pump Inlet Screen.......453
Drain and Refill Transmission Oil (Quick Service)—If Equipped.......456
Replace Rear Axle Breather Filter and Hydraulic Tank Breather Filter.......458
Drain and Refill Circle Gear Case Oil.......460
Check and Adjust Engine Valve Lash.......461
Clean Engine Crankcase Ventilation Tube.......462
Replace Axle Oil Filter.......463
Replace Hydraulic Oil Filter.......464
Replace Transmission Oil Filter.......465
Transmission Control Unit Calibration.......466
Section 3-11: Maintenance—Every 4000 Hours.......467
Drain and Refill Hydraulic Tank Oil.......468
Drain and Refill Hydraulic Tank Oil (Quick Service)—If Equipped.......471
Drain and Refill Tandem Oil.......473
Section 3-12: Maintenance—Every 4500 Hours.......476
Replace Engine Crankshaft Damper.......477
Section 3-13: Maintenance—Every 6000 Hours.......478
Drain, Flush, and Refill Cooling System.......479
Drain, Flush, and Refill Cooling System (Quick Service)—If Equipped.......482
Section 4-1: Miscellaneous—Machine.......485
Bleeding Service Brake.......575
Bleeding the Fuel System.......487
Check Fuel Tank Vent Hose.......489
Clean Cab Drains.......490
Do Not Service or Adjust Injection Nozzles or High-Pressure Fuel Pump.......491
Do Not Service Control Valves, Cylinders, Pumps, or Motors.......492
Precautions for Alternator and Regulator.......493
Handling, Checking, and Servicing Batteries Carefully.......494
Using Battery Charger.......497
Using Booster Batteries—24-Volt System.......499
Remove and Replace Batteries.......500
JDLink™ Machine Monitoring System (MMS)—If Equipped.......502
Circuit Breakers.......503
Replacing Fuses.......504
Fuse (Blade-Type) Color Codes.......507
Welding on Machine.......508
Keep Electronic Control Unit Connectors Clean.......509
Checking and Adjusting Cylinder Ball and Socket Clearances.......510
Checking Draft Ball Pivot Clearance.......511
Replacing Front and Midmount Scarifier Shank.......512
Replacing Rear Scarifier Shank.......513
Replacing Front, Midmount, and Rear Scarifier Teeth.......514
Replacing Ripper Teeth.......515
Fluid Sampling Test Ports.......516
Inspect and Clean Polycarbonate Windows.......517
Hardware Torque Specifications.......519
Unified Inch Bolt and Screw Torque Values.......520
Metric Bolt and Screw Torque Values.......522
Section 4-2: Miscellaneous—Operational Checkout.......525
Operational Checkout.......525
Section 4-3: Miscellaneous—Troubleshooting.......560
Troubleshooting Procedure.......561
Engine.......562
Battery.......566
Hydrostatic Front Wheel Drive.......567
Transmission and Hydraulic Related.......568
Park Brake.......570
Differential.......571
Hydraulic System.......572
Steering System.......574
Service Brake.......575
Air Conditioning Electrical.......576
Heater System.......577
Section 4-4: Miscellaneous—Storage.......578
Prepare Machine for Storage.......579
Monthly Storage Procedure.......581
Section 4-5: Miscellaneous—Machine Numbers.......583
Record Product Identification Number (PIN).......584
Record Engine Serial Number.......585
Record Transmission Serial Number.......586
Record Hydraulic Pump Serial Number.......587
Keep Proof of Ownership.......588
Keep Machines Secure.......589
Section 4-6: Miscellaneous—Specifications.......590
Engine Specifications.......591
Machine Specifications.......592
Drain and Refill Capacities.......597
Eurasian Economic Union.......598
Machine Design Life.......599
John Deere 770G, 770GP, 772G, and 772GP Motor Graders Manual (OMT342548)
