John Deere 750J Crawler Dozers Operator’s Manual – PDF DOWNLOAD

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John Deere 750J Crawler Dozers Operator’s Manual – PDF DOWNLOAD

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John Deere 750J Crawler Dozers Operator’s Manual – PDF DOWNLOAD

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TABLE OF CONTENTS:

John Deere 750J Crawler Dozers Operator’s Manual – PDF DOWNLOAD

Contents 5
Safety—Safety and Operator Conveniences 9
Safety and Operator Convenience Features 9
Safety—General Precautions 10
Recognize Safety Information 10
Follow Safety Instructions 10
Operate Only If Qualified 10
Wear Protective Equipment 10
Avoid Unauthorized Machine Modifications 11
Inspect Machine 11
Stay Clear of Moving Parts 11
Avoid High-Pressure Fluids 11
Avoid High-Pressure Oils 12
Work In Ventilated Area 12
Prevent Fires 13
Prevent Battery Explosions 13
Handle Chemical Products Safely 14
Clean Debris from Machine 14
Decommissioning — Proper Recycling and Disposal of Fluids and Components 14
Prepare for Emergencies 15
Add Cab Guarding For Special Uses 15
Safety—Operating Precautions 17
Use Steps and Handholds Correctly 17
Start Only From Operator’s Seat 17
Use and Maintain Seat Belt 17
Prevent Unintended Machine Movement 17
Avoid Work Site Hazards 17
Keep Riders Off Machine 18
Avoid Backover Accidents 18
Avoid Machine Tip Over and Machine Damage 19
Add and Operate Attachments Safely 19
Safety—Maintenance Precautions 20
Park and Prepare for Service Safely 20
Service Cooling System Safely 20
Remove Paint Before Welding or Heating 20
Make Welding Repairs Safely 21
Drive Metal Pins Safely 21
Safety—Safety Signs 22
Replace Safety Signs 22
Safety Signs 22
Operation—Operator’s Station 24
Display Monitor 24
Display Monitor Functions 25
Front Console Switch Functions 27
Monitor Display Unit—Normal Display 27
Warmup Indicator 28
Air Conditioner and Heat—If Equipped 29
Windshield Wiper and Washer Controls 29
Battery Disconnect Switch 29
Door Latch 30
Secondary Exits—Cab Units Only 30
Cab Windows 31
Adjusting Seat 31
Fire Extinguisher Location 32
Operation—Operating the Machine 33
Inspect Machine Daily Before Starting 33
Check Instruments before Starting 33
Engine Break-In Period 33
Starting the Engine 34
Starting Fluid—Cold Weather Start Aid 36
Engine Warmup 37
Cold Weather Warmup 37
Transmission Control Lever 37
Driving the Machine 38
Using Engine Speed Control Dial 39
Travel Speed Using Transmission Control Lever 39
Decelerator/Brake Pedal and Decelerator Mode Switch 39
Using Park Lock Lever 41
Hydraulic Enable Switch/Hydraulic Accumulator Discharge 41
Stopping the Engine—Normal Shutdown 42
Stopping the Machine 42
Parking the Machine 42
Operating in Water and Mud 43
Blade Control Lever—Operation 44
Changing Blade Pitch 45
Changing Blade Pitch—Outside Dozer Linkage 46
Changing Blade Pitch—C-Frame Dozer Linkage 46
Avoid Track Damage 47
Extend Undercarriage Life 48
Loading Machine on a Trailer 48
Releasing Park Brake to Tow the Machine 50
Operating on Steep Hills 52
CAN Monitor Unit (CMU) Main Menu 52
CAN Monitor Unit (CMU) Main Menu—Codes 52
CAN Monitor Unit (CMU) Main Menu—Codes—Active Codes 53
CAN Monitor Unit (CMU) Main Menu—Codes—Stored Codes 53
CAN Monitor Unit (CMU) Main Menu—Machine Settings 54
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Job Timer 54
CAN Monitor Unit (CAN) Main Menu—Machine Settings—Track Info 55
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Controller Info 55
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Trans Settings 55
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Hydraulic Settings (IGC Option) 56
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Reversing Fan 57
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Brake Ctrl 57
CAN Monitor Unit (CMU) Main Menu—Diagnostics 57
CAN Monitor Unit (CMU) Main Menu—Diagnostics—Live Values 58
CAN Monitor Unit (CMU) Main Menu—Diagnostics Live Values—Temperatures 58
CAN Monitor Unit (CMU) Main Menu—Diagnostics Live Values—Pressures 59
CAN Monitor Unit (CMU) Main Menu—Diagnostics Live Values—Speeds 60
CAN Monitor Unit (CMU) Main Menu—Monitor Settings 60
CAN Monitor Unit (CMU) Main Menu—Monitor Settings—Units 60
CAN Monitor Unit (CMU) Main Menu—Monitor Settings—Backlighting 61
CAN Monitor Unit (CMU) Main Menu—Monitor Settings—LCD Contrast 61
CAN Monitor Unit (CMU) Main Menu—Monitor Settings—Monitor Config 62
Maintenance—Machine 63
Diesel Fuel 63
Lubricity of Diesel Fuel 63
Handling and Storing Diesel Fuel 64
Biodiesel Fuel 64
Testing Diesel Fuel 66
Minimizing the Effect of Cold Weather on Diesel Engines 66
Diesel Engine Oil — Tier 2 and Stage II 67
Diesel Engine Oil and Filter Service Intervals 68
Alternative and Synthetic Lubricants 69
System Oil 69
Transmission and Hydraulic Reservoir Oil 70
Inner and Outer Final Drive Oil 70
Track Rollers, Front Idler, Carrier Roller and Track Frame Outer Pivot Oil 71
Multipurpose Extreme Pressure (EP) Grease 71
Diesel Engine Coolant (engine with wet sleeve cylinder liners) 72
Drain Intervals for Diesel Engine Coolant 73
John Deere COOL-GARD™ II Coolant Extender 74
Supplemental Coolant Additives 74
Operating in Warm Temperature Climates 75
Additional Information About Diesel Engine Coolants and John Deere COOL-GARD™ II Coolant Extender 75
Testing Diesel Engine Coolant 76
Maintenance—Periodic Maintenance 78
Service Machine at Specified Intervals 78
Check Hour Meter Regularly 78
Prepare Machine for Maintenance 78
Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit 79
Service Intervals 80
Required Parts 82
Maintenance—As Required 85
Check Alternator Belt Tension 85
Check Track Sag 86
Adjust Track Sag 86
Check and Adjust Trunnion Bearing Clearance—If Equipped 88
Check and Adjust Pushbeam Bearing Clearance—If Equipped 89
Check Air Restriction Indicator 90
Check and Clean Radiator Core and Oil Cooler Core 90
Clean or Replace Cab Fresh Air Filter 92
Clean or Replace Cab Recirculating Air Filter 92
Check Coolant 92
Maintenance—Every 10 Hours or Daily 94
Check Engine Oil Level 94
Check Coolant Level 94
Check Transmission Oil Level 95
Check Hydraulic Oil Level 96
Grease Outside Dozer (OSD) Linkage 97
Lubricate C-Frame Dozer Linkage—If Equipped 97
Maintenance—Every 50 Hours 100
Lubricate Right and Left End Crossbar Pivot 100
Grease Push Beam Lift Cylinder Pivots 100
Maintenance—Initial Service – 250 Hours 101
Change Engine Break-In Oil and Filter 101
Maintenance—Every 250 Hours 102
Check Inner and Outer Final Drive Housings Oil Level 102
Check Radiator Coolant Level 102
Check and Adjust Blade Pivot Clearance—If Equipped 102
Take Engine Oil Sample 103
Maintenance—Every 500 Hours 104
Change Engine Oil and Filter 104
Replace Primary and Final Fuel Filters—750J 105
Replace Primary and Final Fuel Filters—850J 106
Check Battery Electrolyte Level; Clean and Tighten Terminals 107
Check Air Intake Hose 108
Take Fluid Samples 109
Maintenance—Every 1000 Hours 110
Clean Engine Crankcase Vent Tube 110
Change Final Drive Oil 110
Check Track Frame Pivot Shaft Bushing Oil 112
Check Coolant 112
Maintenance—Every 2000 Hours 113
Change Hydraulic System Oil and Replace Filter 113
Change Hydrostatic Transmission Oil and Replace Hydrostatic Charge and Fan Oil Filters 114
Adjust Engine Valve Lash 114
Maintenance—Every 4000 Hours 115
Replace Engine Crankshaft Dampener 115
Maintenance—Every 6000 Hours 116
Draining the Cooling System 116
Filling the Cooling System 117
Miscellaneous—Machine 119
Replace Air Filter Elements 119
Checking Coolant Hoses 119
Servicing the Cooling System 119
Do Not Service or Adjust Injection Nozzles or Injection Pump 120
Clean Dust Unloader Valve 120
Fuel Drain and Shutoff Valve 120
Discharge Pilot Control System Hydraulic Pressure 121
Precautions for Alternator and Regulator 121
Handling, Checking and Servicing Batteries Carefully 121
Using Battery Charger 123
Using Booster Batteries—24-Volt System 123
Replacing Batteries 124
Removing Batteries 125
Replacing Fuses 125
Fuse (Blade-Type) Color Codes 127
Drain Fuel Filter Sediment—850J 128
Bleeding Fuel System—750J 128
Bleeding Fuel System—850J 131
Check Engine Speeds 133
Do Not Service Control Valves, Cylinders, Pumps, or Motors 133
Track Sag General Information 134
Checking Idlers and Rollers for Oil Leakage 134
Checking Carrier Roller Oil Level 134
Cab or ROPS Tilting Procedure 135
Fluid Sampling Test Ports—If Equipped 136
Welding Procedure 136
Checking Fire Extinguisher—If Equipped 136
Checking Air Conditioner Refrigerant Level—If Equipped 136
Checking Park Lock Start System 137
Checking Transmission Start System 137
Checking Track Shoe Cap Screw Torque 137
Checking Track Shoe Cap Screw Torque—Master Link 139
Hardware Torque Specifications 139
Unified Inch Bolt and Screw Torque Values 139
Metric Bolt and Screw Torque Values 140
Miscellaneous—Operational Checkout 142
Operational Checkout 142
Engine Off Checks 142
Engine On Checks 147
Miscellaneous—Troubleshooting 153
Troubleshooting Procedure 153
Engine 153
Electrical System 162
Hydraulic System 168
Hydrostatic Transmission 171
Air Conditioning 171
Integrated Grade Control (IGC) System— If Equipped 172
Miscellaneous—Storage 176
Prepare Machine for Storage 176
Avoid Track Damage 176
Monthly Storage Procedure 176
Miscellaneous—Machine Numbers 178
Record Product Identification Number (PIN) 178
Record Engine Serial Number 178
Keep Proof of Ownership 178
Keep Machines Secure 178
Miscellaneous—Specifications 180
750J Crawler Dozer Dimensions 180
750J Crawler Dozer Specifications 181
750J Crawler Dozer Weights 181
750J-LT Crawler Dozer Dimensions 182
750J-LT Crawler Dozer Specifications 184
750J-LT Crawler Dozer Weights 184
750J-LGP Crawler Dozer Dimensions 185
750J-LGP Crawler Dozer Specifications 187
750J-LGP Crawler Dozer Weights 187
750J Pushbeam Crawler Dozer Dimensions 188
750J Pushbeam Crawler Dozer Specifications 190
750J Pushbeam Crawler Dozer Weights 190
750J-WT Pushbeam Crawler Dozer Dimensions 191
750J-WT Pushbeam Crawler Dozer Specifications 193
750J-WT Pushbeam Crawler Dozer Weights 193
750J and 750J-LT Crawler Dozer Drain and Refill Capacities 194
750J-WT and 750J-LGP Crawler Dozer Drain and Refill Capacities 194
850J-LT Crawler Dozer Dimensions 195
850J-LT Crawler Dozer Specifications 197
850J-LT Crawler Dozer Weights 197
850J-WLT Crawler Dozer Dimensions 198
850J-WLT Crawler Dozer Specifications 200
850J-WLT Crawler Dozer Weights 200
850J-LGP Crawler Dozer Dimensions 201
850J-LGP Crawler Dozer Specifications 203
850J-LGP Crawler Dozer Weights 203
850J Pushbeam Crawler Dozer Dimensions 204
850J Pushbeam Crawler Dozer Specifications 206
850J Pushbeam Crawler Dozer Weights 206
850J-WT Pushbeam Crawler Dozer Dimensions 207
850J-WT Pushbeam Crawler Dozer Specifications 209
850J-WT Pushbeam Crawler Dozer Weights 209
850J-LGP Pushbeam Crawler Dozer Dimensions 210
850J-LGP Pushbeam Crawler Dozer Specifications 212
850J-LGP Pushbeam Crawler Dozer Weights 212
850J Pushbeam and 850J-LT Crawler Dozer Drain and Refill Capacities 213
850J-WT and 850J-WLT Crawler Dozer Drain and Refill Capacities 213
850J-LGP PAT and 850J-LGP Pushbeam Crawler Dozer Drain and Refill Capacities 214
Page Number 5
Section 1-1 9
Section 1-2 10
Section 1-3 17
Section 1-4 20
Section 1-5 22
Section 2-1 24
Section 2-2 33
Section 3-1 63
Section 3-2 78
Section 3-3 85
Section 3-4 94
Section 3-5 100
Section 3-6 101
Section 3-7 102
Section 3-8 104
Section 3-9 110
Section 3-10 113
Section 3-11 115
Section 3-12 116
Section 4-1 119
Section 4-2 142
Section 4-3 153
Section 4-4 176
Section 4-5 178
Section 4-6 180

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