John Deere 770G, 770GP, 772G & 772GP Graders Operator’s Manual OMT278207 PDF

Description

John Deere 770G, 770GP, 772G & 772GP Motor Graders Operator’s Manual OMT278207 – PDF DOWNLOAD

• P/N: OMT278207_24
• Language: English
• Division: Construction
• Product Lines: Motor Graders
• Publication Type: Operator’s Manuals
• Associated Models: 770G, 772G, 770GP, 772GP
• Series: G SERIES
• Serial: (634754-) ENGINE 6090HDW01, 6090HDW04

TABLE OF CONTENTS:

John Deere 770G, 770GP, 772G & 772GP Motor Graders Operator’s Manual OMT278207 – PDF DOWNLOAD

770G, 770GP, 772G, and 772GP Motor Graders 1
Introduction 2
Foreword 2
IMPORTANT 2
Manual Identification—READ THIS FIRST! 2
Conformity Marking 5
EPA Non-road Emissions Control Warranty Statement—Compression Ignition 6
CARB Non-road Emissions Control Warranty Statement—Compression Ignition 8
Required Emission-Related Information 14
Technical Information Feedback Form 14
Contents 15
Safety—Safety and Operator Conveniences 19
Safety and Operator Convenience Features 19
Safety—General Precautions 20
Recognize Safety Information 20
Follow Safety Instructions 20
Operate Only If Qualified 20
Wear Protective Equipment 21
Avoid Unauthorized Machine Modifications 21
Inspect Machine 21
Stay Clear of Moving Parts 21
Avoid High-Pressure Fluids 22
Avoid High-Pressure Oils 22
Work In Ventilated Area 23
Prevent Fires 23
Prevent Battery Explosions 23
Handle Chemical Products Safely 24
Decommissioning — Proper Recycling and Disposal of Fluids and Components 24
Prepare for Emergencies 25
Clean Debris from Machine 25
Safety—Operating Precautions 26
Use Steps and Handholds Correctly 26
Start Only From Operator’s Seat 26
Use and Maintain Seat Belt 26
Prevent Unintended Machine Movement 26
Avoid Work Site Hazards 27
Keep Riders Off Machine 27
Avoid Backover Accidents 28
Avoid Machine Tip Over and Machine Damage 28
Operating Or Traveling On Public Roads 28
Inspect and Maintain ROPS 29
Operating in Water and Mud 29
Add and Operate Attachments Safely 29
Safety—Maintenance Precautions 30
Park and Prepare for Service Safely 30
Service Cooling System Safely 30
Remove Paint Before Welding or Heating 31
Make Welding Repairs Safely 31
Drive Metal Pins Safely 31
Service Tires Safely 32
Safety—Safety Signs 33
Safety Signs 33
Operation—Operator’s Station 38
Advanced Display Unit (ADU) 38
Display Unit Functions 39
Display Unit—Normal Display 44
Display Unit—Main Menu 45
Display Unit—Main Menu—Codes 46
Display Unit—Main Menu—Codes—Active Codes and Stored Codes 46
Display Unit—Main Menu—Machine Settings 47
Display Unit—Main Menu—Machine Settings—Reverse Fan Cycle 47
Display Unit—Main Menu—Machine Settings—Manual Fan Reversal 48
Display Unit—Main Menu—Machine Settings—Job Timer 48
Display Unit—Main Menu—Machine Settings—Stopwatch 48
Display Unit—Main Menu—Machine Settings—Auto Shutdown 49
Display Unit—Main Menu—Machine Settings—Rear Camera Mode—If Equipped 49
Display Unit—Main Menu—Diagnostics 50
Display Unit—Main Menu—Diagnostics—Machine ID 51
Display Unit—Main Menu—Diagnostics—Battery Monitor 51
Display Unit—Main Menu—Diagnostics—Engine Sensors 52
Display Unit—Main Menu—Diagnostics—Transmission Sensors 52
Display Unit—Main Menu—Diagnostics—Hydraulic Sensors 53
Display Unit—Main Menu—Diagnostics—Switch Module 53
Display Unit—Main Menu—Diagnostics—Machine Sensors 53
Display Unit—Main Menu—Diagnostics—Machine Switches 54
Display Unit—Main Menu—Diagnostics—6WD Sensors—If Equipped 54
Display Unit—Main Menu—Diagnostics—Sensors (Grade Pro Machines Only) 55
Display Unit—Main Menu—Diagnostics—Controls (Grade Pro Machines Only) 55
Display Unit—Main Menu—Monitor Settings 56
Display Unit—Main Menu—Security 57
Display Unit—Main Menu—Security—Security 58
Display Unit—Main Menu—Security—Change Owner PIN 58
Display Unit—Main Menu—Security—Manage Operator PINs 59
Display Unit—Main Menu—Security—Manage Transport PIN 60
Display Unit—Main Menu—Security—Delayed Operator Logout 60
Display Unit—Main Menu—Machine Configuration (Grade Pro Machines Only) 61
Display Unit—Main Menu—Machine Configuration—Cross Slope Sensor Cal (Grade Pro Machines Only) 61
Display Unit—Main Menu—Machine Configuration—Cross Slope Sensor Cal—Roll Cal (Grade Pro Machines Only) 62
Display Unit—Main Menu—Machine Configuration—Cross Slope Sensor Cal—Circle Rotate Cal (Grade Pro Machines Only) 65
Display Unit—Main Menu—Machine Configuration—Cross Slope Sensor Cal—Pitch Cal (Grade Pro Machines Only) 66
Display Unit—Main Menu—Machine Configuration—Cross Slope Sensor Cal—Roll and Pitch Cal (Grade Pro Machines Only) 70
Display Unit—Main Menu—Machine Configuration—Valve Cals (Grade Pro Machines Only) 74
Display Unit—Main Menu—Machine Configuration—Valve Cals—Articulation (Grade Pro Machines Only) 75
Display Unit—Main Menu—Machine Configuration—Valve Cals—Blade Side Shift (Grade Pro Machines Only) 76
Display Unit—Main Menu—Machine Configuration—Valve Cals—Circle Rotate Cal (Grade Pro Machines Only) 77
Display Unit—Main Menu—Machine Configuration—Valve Cals—Circle Side Shift Cal (Grade Pro Machines Only) 79
Display Unit—Main Menu—Machine Configuration—Valve Cals—Left Blade Lift Cal (Grade Pro Machines Only) 80
Display Unit—Main Menu—Machine Configuration—Valve Cals—Right Blade Lift Cal (Grade Pro Machines Only) 81
Display Unit—Main Menu—Machine Configuration—Valve Cals—Wheel Lean Cal (Grade Pro Machines Only) 83
Display Unit—Main Menu—Machine Configuration—Valve Cals—Steering Cal (Grade Pro Machines Only) 84
Display Unit—Main Menu—Machine Configuration—Valve Cals—Blade Pitch Cal (Grade Pro Machines Only) 85
Display Unit—Main Menu—Machine Configuration—Valve Cals—Rear Aux 1, 2, 3 and Front Aux 1, 2, 3 Cal (Grade Pro Machines Only) 86
Sealed Switch Module 87
Switch Module Functions 88
Front Console 90
Adjusting Front Console 91
Engine Speed Control and 6WD Switches 92
Levers 92
Levers—Grade Pro Machines Only 93
Pedals 95
Lights 96
Heating and Fan Controls 97
Fire Extinguisher Location 97
Opening Lower Front Windows 98
Opening Side Windows 98
Cab Door Release 99
Adjusting Seat 100
Adjusting Premium Seat—If Equipped 101
Adjusting Premium Seat—Grade Pro Machines Only 102
12-Volt Auxiliary Power Outlet 104
Operation—Operating the Machine 105
Before Starting Work 105
Inspect Machine Daily Before Starting 105
Check Instruments Before Starting 105
Battery Disconnect Switch 105
Engine Break-In Period 106
Starting the Engine 107
Cold Weather Starting 108
Using Coolant Heater—If Equipped 109
Using Hydraulic Pump Softstart Valve—If Equipped 109
Check Instruments After Starting 109
Stopping the Engine 110
Secondary Steering—If Equipped 110
Emergency Stopping 110
Operation On A Grade 111
Transmission Control and Park Brake Lever Operation 111
Hydraulic Control Lever Operation 112
Hydraulic Control Lever Operation—Grade Pro Machines Only 115
Cross Slope Control System Operation—Grade Pro Machines Only 119
Blade Stow Operation—If Equipped (Grade Pro Machines Only) 120
Engine Speed Control Operation 121
6WD Operation—If Equipped 121
Precision Mode Operation—If Equipped 123
Using Differential Lock 124
Disengaging and Engaging Saddle Lock Pin 126
Moving Blade to Bank Position 127
Parking the Machine 128
Transmission—Limp Home 128
Transmission Operation 129
Rear Camera—If Equipped 130
Tire Changing Tip 130
Lifting The Machine 131
Loading Machine on a Trailer 132
Towing Procedure 134
Maintenance—Machine 135
Diesel Fuel 135
Lubricity of Diesel Fuel 136
Handling and Storing Diesel Fuel 136
Biodiesel Fuel 137
Testing Diesel Fuel 138
Minimizing the Effect of Cold Weather on Diesel Engines 139
Diesel Engine Break-In™ Oil 140
Diesel Engine Oil—Tier 2 and Stage II Engines 140
Engine Oil and Filter Service Intervals — Tier 2 and Stage II Engines 141
Diesel Engine Oil—Tier 3 and Stage III A Engines 142
Engine Oil and Filter Service Intervals — Tier 3 and Stage IIIA — PowerTech™ Engines 143
Hydraulic Oil 144
Transmission, Axle, Tandem Drive, Circle Gear Case, and 6WD Hubs Oil—If Equipped 145
Grease with Molybdenum Disulfide 145
Alternative and Synthetic Lubricants 146
Mixing of Lubricants 146
Lubricant Storage 146
Diesel Engine Coolant (engine with wet sleeve cylinder liners) 147
Drain Intervals for Diesel Engine Coolant 148
John Deere COOL-GARD™ II Coolant Extender 148
Supplemental Coolant Additives 148
Operating in Warm Temperature Climates 149
Additional Information About Diesel Engine Coolants and John Deere COOL-GARD™ II Coolant Extender 149
Testing Diesel Engine Coolant 150
Disposing of Coolant 150
Maintenance—Periodic Maintenance 151
Engine Identification 151
Service Your Machine at Specified Intervals 152
Check the Hour Meter Regularly 152
Fuel Tank 152
Prepare Machine for Maintenance 153
Locking Machine Frame 153
Service Doors 154
Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit 154
Service Intervals 155
Required Parts 157
Maintenance—As Required 159
Cleaning Radiator, Charge Air Cooler, Hydraulic/Axle Oil Cooler, Transmission Oil Cooler, and Air Conditioner Condenser 159
Clean and Tighten Battery Terminals 161
Cleaning or Replacing Cab Fresh Air and Recirculation Filter 162
Lubricate Circle Pinion 162
Checking Tire Pressure 163
Checking Blade Circle and Draft Frame Wear Inserts 164
Checking Blade Lift Cylinder Sockets 164
Lubricate Saddle Locking Pin Holes 165
Blade Side Shift Wear Insert Adjustment 165
Inspecting Accessory Belt and Belt Tensioner Spring 166
Cleaning Engine Air Intake Filter Element 167
Replace Starting Fluid Cylinder—If Equipped 168
Draining Fuel Tank Sump 168
Draining Primary Fuel Filter and Water Separator 169
Draining Auxiliary Fuel Filter and Water Separator—If Equipped 169
Check Coolant 170
Check Rear Camera—If Equipped 171
Transmission Control Unit Calibration 172
6WD Controller Calibration—If Equipped 173
Calibrate Cross Slope Sensors—If Equipped 175
Calibrate Hydraulic Valves—If Equipped 175
Maintenance—Every 10 Hours or Daily 176
Checking Hydraulic Tank Oil Level 176
Checking Transmission Oil Level 176
Checking Engine Oil Level 177
Checking Engine Coolant Surge Tank Level 177
Maintenance—Every 50 Hours 178
Lubricate Frame Hinge Pivots 178
Lubricate Lift Cylinders 178
Lubricate Draft Frame Ball 178
Lubricate Front Mounted Scarifier or Dozer Blade—If Equipped 179
Lubricate Balderson™ Style Front Lift Group—If Equipped 180
Lubricate Front Axle Oscillation Pin 180
Lubricate Front Axle Lean Pivot Casting Pins 181
Lubricate Front Axle Lean Bar Pivot 181
Lubricate Front Axle Steering Pins 182
Lubricate Tie Rod Ends 182
Lubricate Steering Cylinders 183
Lubricate Midmount Scarifier—If Equipped 183
Lubricate Circle Side Shift Cylinder 184
Lubricate Saddle Locking Pin 184
Maintenance—Initial Service – 250 Hours 185
Changing Engine Break-In Oil and Replacing Filter 185
Changing Engine Break-In Oil (Quick Service)—If Equipped 186
Replacing Axle Housing Oil Filter 186
Replacing Transmission Oil Filter 187
Transmission Control Unit Calibration 187
Maintenance—Every 250 Hours 188
Check Battery Electrolyte Level 188
Checking Axle Housing Oil Level 189
Checking Receiver-Dryer Moisture Indicator—If Equipped 189
Checking 6WD Hub Oil Level—If Equipped 189
Take Engine Oil Sample 190
Maintenance—Every 500 Hours 191
Checking Tandem Oil Level 191
Lubricate Tandem Pivots 191
Changing Engine Oil and Replacing Filter 192
Changing Engine Oil (Quick Service)—If Equipped 193
Checking Circle Gear Case Oil Level 193
Checking Brake Accumulator 194
Replacing Final Fuel Filter 194
Replacing Primary Fuel Filter and Water Separator 195
Replacing Auxiliary Fuel Filter and Water Separator—If Equipped 196
Replace Fast Fill Fuel Filter—If Equipped 196
Take Fluid Samples 196
Maintenance—Every 1000 Hours 197
Changing 6WD Hub Oil—If Equipped 197
Adjusting Front Wheel Bearings—Standard Axle Only 197
Replacing Engine Air Intake Cleaner Elements 198
Checking Engine Air Intake Hoses 198
Check Coolant 198
Replacing In-Line Fuel Strainer 199
Maintenance—Every 2000 Hours 200
Changing Axle Housing Oil 200
Changing Transmission Oil and Cleaning Transmission Pump Inlet Screen 200
Changing Transmission Oil (Quick Service)—If Equipped 201
Transmission Control Unit Calibration 201
Replacing Rear Axle Breather Filter and Hydraulic Tank Breather Filter 202
Changing Circle Gear Case Oil 202
Adjusting Engine Valve Clearance (Lash) 202
Cleaning Engine Crankcase Ventilation Tube 203
Replacing Axle Housing Oil Filter 203
Replacing Hydraulic Oil Filter 204
Replacing Transmission Oil Filter 204
Maintenance—Every 4000 Hours 205
Changing Hydraulic Tank Oil 205
Changing Hydraulic Tank Oil (Quick Service)—If Equipped 206
Changing Tandem Oil 207
Replacing Engine Crankshaft Damper 207
Maintenance—Every 6000 Hours 208
Drain, Flush, and Refill Cooling System 208
Drain, Flush, and Refill Cooling System (Quick Service)—If Equipped 211
Miscellaneous—Machine 212
Bleeding Service Brake 212
Bleeding the Fuel System 212
Checking Fuel Tank Vent Hose 212
Cleaning Cab Drains 213
Do Not Service Control Valves, Cylinders, Pumps, or Motors 213
Handling, Checking, and Servicing Batteries Carefully 214
Precautions for Alternator and Regulator 215
Using Booster Batteries—24 Volt System 215
Using Battery Charger 216
Removing and Replacing Batteries 217
JDLink Machine Monitoring System (MMS)—If Equipped 217
Circuit Breakers 217
Replacing Fuses 218
Fuse (Blade-Type) Color Codes 219
Welding On Machine 220
Welding Near Electronic Control Units 220
Keep Electronic Control Unit Connectors Clean 220
Checking and Adjusting Cylinder Ball and Socket Clearances 220
Checking Draft Ball Pivot Clearance 221
Replacing Front and Midmount Scarifier Shank 221
Replacing Rear Scarifier Shank 221
Replacing Front, Midmount, and Rear Scarifier Teeth 222
Replacing Ripper Teeth 222
Fluid Sampling Test Ports 223
Hardware Torque Specifications 223
Unified Inch Bolt and Screw Torque Values 224
Metric Bolt and Screw Torque Values 225
Miscellaneous—Operational Checkout 226
Operational Checkout 226
Miscellaneous—Troubleshooting 249
Troubleshooting Procedure 249
Engine 250
Battery 254
Hydrostatic Front Wheel Drive 255
Transmission- and Hydraulic-Related 256
Park Brake 257
Differential 257
Hydraulic System 258
Steering System 258
Service Brake 259
Air Conditioning Electrical 259
Heater System 260
Miscellaneous—Storage 261
Prepare Machine for Storage 261
Monthly Storage Procedure 261
Miscellaneous—Machine Numbers 263
Record Product Identification Number (PIN) 263
Record Engine Serial Number 264
Record Transmission Serial Number 264
Record Hydraulic Pump Serial Number 264
Keep Proof of Ownership 264
Keep Machines Secure 265
Miscellaneous—Specifications 266
Engine Specifications 266
Machine Specifications 267
Drain and Refill Capacities 270
Page Number 19
Section 1-1 19
Section 1-2 20
Section 1-3 26
Section 1-4 30
Section 1-5 33
Section 2-1 38
Section 2-2 105
Section 3-1 135
Section 3-2 151
Section 3-3 159
Section 3-4 176
Section 3-5 178
Section 3-6 185
Section 3-7 188
Section 3-8 191
Section 3-9 197
Section 3-10 200
Section 3-11 205
Section 3-12 208
Section 4-1 212
Section 4-2 226
Section 4-3 249
Section 4-4 261
Section 4-5 263
Section 4-6 266

S.V 04/24