John Deere 850J Crawler Dozer Operator’s Manual OMT224252 PDF
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John Deere 850J Crawler Dozer Operator’s Manual OMT224252 – PDF DOWNLOAD
Description
John Deere 850J Crawler Dozer Operator’s Manual OMT224252 – PDF DOWNLOAD
- Part Number (P/N): OMT224252_24
- Language: English
- Division: Construction
- Product Lines: Crawlers
- Publication Type: Operator’s Manuals
- Associated Model: 850J
- Series: J SERIES
- Serial Number Range: (130886— ) for Engines 6090HT001 and 6081HT006

TABLE OF CONTENTS:
John Deere 850J Crawler Dozer Operator’s Manual OMT224252 – PDF DOWNLOAD
850J Crawler Dozer 1
Introduction 2
Foreword 2
IMPORTANT 2
License Agreement for John Deere Software 3
Conformity Marking for European Union (EU) and Eurasian Economic Union (EAEU) 6
Emissions Control System Certification Label 6
EPA Non-road Emissions Control Warranty Statement—Compression Ignition 7
CARB Non-road Emissions Control Warranty Statement—Compression Ignition 9
Required Emission-Related Information 15
Technical Information Feedback Form 15
Contents 17
Safety and Operator Conveniences 21
Safety and Operator Convenience Features 21
Safety—General Precautions 22
Information for European Union Directives and Eurasian Economic Union Technical Regulations Compliance 22
Recognize Safety Information 23
Follow Safety Instructions 24
Operate Only If Qualified 24
Wear Protective Equipment 24
Avoid Unauthorized Machine Modifications 24
Inspect Machine 25
Stay Clear of Moving Parts 25
Avoid High-Pressure Fluids 25
Avoid High-Pressure Oils 26
Work In Ventilated Area 26
Prevent Fires 27
Prevent Battery Explosions 27
Handle Chemical Products Safely 27
Dispose of Waste Properly 28
Decommissioning — Proper Recycling and Disposal of Fluids and Components 28
Prepare for Emergencies 29
Add Cab Guarding For Special Uses 29
Clean Debris from Machine 29
Safety—Operating Precautions 30
Use Steps and Handholds Correctly 30
Start Only From Operator’s Seat 30
Use and Maintain Seat Belt 30
Prevent Unintended Machine Movement 30
Avoid Work Site Hazards 31
Keep Riders Off Machine 31
Avoid Backover Accidents 32
Avoid Machine Tip Over and Machine Damage 32
Add and Operate Attachments Safely 32
Safety—Maintenance Precautions 33
Park and Prepare for Service Safely 33
Service Cooling System Safely—Tier 2/Stage II Engine 33
Service Cooling System Safely—Engine 6090HT001 33
Remove Paint Before Welding or Heating 34
Make Welding Repairs Safely 34
Drive Metal Pins Safely 34
Safety—Safety Signs 35
Safety Signs 35
Operation—Operator’s Station 36
Display Monitor 36
Display Monitor Functions 38
Front Console Switch Functions 39
Monitor Display Unit—Normal Display 39
Warmup Indicator 40
Air Conditioner and Heat—If Equipped 41
Windshield Wiper and Washer Controls 41
Battery Disconnect Switch 42
Door Latch 42
Secondary Exits—Cab Units Only 43
Cab Windows 44
Adjust Deluxe Mechanical Suspension Seat—If Equipped 44
Adjust Air Suspension Seat—If Equipped 45
Beacon—If Equipped 45
Fire Extinguisher—If Equipped 46
Operation—Operating the Machine 47
Inspect Machine Daily Before Starting 47
Check Instruments Before Starting 47
Engine Break-In Period 48
Starting the Engine 48
Starting Fluid—Cold Weather Start Aid 51
Engine Block Heater—If Equipped 52
Engine Warmup 52
Cold Weather Warmup 52
Transmission Control Lever 53
Driving the Machine 53
Using Engine Speed Control Dial 54
Travel Speed Using Transmission Control Lever 54
Decelerator/Brake Pedal and Decelerator Mode Switch 55
Using Park Lock Lever 56
Hydraulic Enable Switch/Hydraulic Accumulator Discharge 56
Stopping the Engine—Normal Shutdown 57
Stopping the Machine 57
Parking the Machine 58
Operating in Water and Mud 58
Ripper Control Lever—If Equipped 59
Blade Control Lever—Operation 59
Changing Blade Pitch 61
Changing Blade Pitch—Outside Dozer Linkage 61
Changing Blade Pitch—C-Frame Dozer Linkage 62
Changing Blade Pitch—Three-Position Pitch Adjustment 63
Avoid Track Damage 63
Extend Undercarriage Life 64
Loading Machine on a Trailer 65
Lifting the Machine 66
Releasing Park Brake to Tow the Machine 66
Operating on Steep Hills 68
CAN Monitor Unit (CMU) Main Menu 69
CAN Monitor Unit (CMU) Main Menu—Codes 69
CAN Monitor Unit (CMU) Main Menu—Codes—Active Codes 69
CAN Monitor Unit (CMU) Main Menu—Codes—Stored Codes 69
CAN Monitor Unit (CMU) Main Menu—Machine Settings 70
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Job Timer 70
CAN Monitor Unit (CAN) Main Menu—Machine Settings—Track Info 70
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Controller Info 71
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Trans Settings 72
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Hydraulic Settings (IGC Option) 72
CAN Monitor Unit (CMU) Main Menu —Machine Settings—Reversing Fan 73
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Brake Ctrl 73
CAN Monitor Unit (CMU) Main Menu—Diagnostics 73
CAN Monitor Unit (CMU) Main Menu—Diagnostics—Live Values 73
CAN Monitor Unit (CMU) Main Menu—Diagnostics—Live Values—Temperatures 74
CAN Monitor Unit (CMU) Main Menu—Diagnostics—Live Values—Pressures 74
CAN Monitor Unit (CMU) Main Menu—Diagnostics—Live Values—Speeds 75
CAN Monitor Unit (CMU) Main Menu—Monitor Settings 75
CAN Monitor Unit (CMU) Main Menu—Monitor Settings—Units 75
CAN Monitor Unit (CMU) Main Menu—Monitor Settings—Backlighting 75
CAN Monitor Unit (CMU) Main Menu—Monitor Settings—LCD Contrast 76
CAN Monitor Unit (CMU) Main Menu—Monitor Settings—Monitor Config 76
Maintenance—Machine 77
Required Emission-Related Information 77
Diesel Fuel 77
Lubricity of Diesel Fuel 78
Handling and Storing Diesel Fuel 78
Biodiesel Fuel 79
Testing Diesel Fuel 80
Minimizing the Effect of Cold Weather on Diesel Engines 81
Alternative and Synthetic Lubricants 82
Diesel Engine Break-In™ Oil 82
Diesel Engine Oil—Tier 2 and Stage II Engines 83
Diesel Engine Oil and Filter Service Intervals—Tier 2/Stage II Engine 84
Diesel Engine Oil—Tier 3 and Stage III A Engines 85
Diesel Engine Oil and Filter Service Intervals—Tier 3/Stage III A Engine 86
Hydraulic and Hydrostatic Oil 87
Diesel Engine Coolant (engine with wet sleeve cylinder liners) 88
Drain Intervals for Diesel Engine Coolant 89
John Deere COOL-GARD™ II Coolant Extender 89
Supplemental Coolant Additives 89
Operating in Warm Temperature Climates 90
Additional Information About Diesel Engine Coolants and John Deere COOL-GARD™ II Coolant Extender 90
Testing Diesel Engine Coolant 91
Inner and Outer Final Drive Oil 91
Track Rollers, Front Idler, and Carrier Roller Oil 92
Multipurpose Extreme Pressure (EP) Grease 92
Maintenance—Periodic Maintenance 93
Engine Identification 93
Service Machine at Specified Intervals 95
Prepare Machine for Maintenance 95
Check Hour Meter Regularly 96
Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit 97
Service Intervals 98
Required Parts 100
Maintenance—As Required 102
Check Alternator Belt Tension 102
Check Track Sag 103
Adjust Track Sag 104
Check and Adjust Trunnion Bearing Clearance—If Equipped 106
Check and Adjust Pushbeam Bearing Clearance—If Equipped 107
Check Coolant 107
Check Engine Air Filter Restriction Indicator 109
Clean or Replace Cab Fresh Air Filter 110
Clean or Replace Cab Recirculating Air Filter 110
Maintenance—Every 10 Hours or Daily 112
Check Engine Oil Level 112
Check Coolant Level 113
Check Transmission Oil Level 115
Check Hydraulic Oil Level 116
Grease Outside Dozer (OSD) Linkage 117
Lubricate C-Frame Dozer Linkage—If Equipped 118
Check Auxiliary Water Separator Fuel Filter—If Equipped 119
Maintenance—Every 50 Hours 120
Lubricate Right and Left End Crossbar Pivot 120
Grease Push Beam Lift Cylinder Pivots 120
Grease Ripper—If Equipped 120
Maintenance—Initial Service – 250 Hours 121
Change Engine Break-In Oil and Filter 121
Maintenance—Every 250 Hours 122
Take Engine Oil Sample 122
Check Inner and Outer Final Drive Housings Oil Level 122
Check and Adjust Blade Pivot Clearance—If Equipped 123
Maintenance—Every 500 Hours 124
Change Engine Oil and Filter 124
Replace Primary and Final Fuel Filters 125
Check Battery Electrolyte Level; Clean and Tighten Terminals 126
Check Air Intake Hose 128
Replace Auxiliary Water Separator Fuel Filter—If Equipped 128
Take Fluid Samples 129
Maintenance—Every 1000 Hours 130
Clean Engine Crankcase Vent Tube 130
Change Final Drive Oil 131
Check Track Frame Pivot Shaft Bushing Oil 132
Check Coolant 132
Maintenance—Every 2000 Hours 133
Change Hydraulic System Oil and Replace Filter 133
Change Hydrostatic Transmission Oil and Replace Hydrostatic Charge and Fan Oil Filters 134
Check and Adjust Engine Valve Lash 134
Maintenance—Every 4000 Hours 135
Replace Engine Crankshaft Dampener 135
Maintenance—Every 6000 Hours 136
Draining the Cooling System 136
Filling the Cooling System 137
Miscellaneous—Machine 140
Replace Air Filter Elements 140
Keep ROPS Installed Properly 142
Checking Coolant Hoses 142
Do Not Service or Adjust Injection Nozzles or Injection Pump 143
Clean Dust Unloader Valve 143
Fuel Drain and Shutoff Valve 144
Discharge Pilot Control System Hydraulic Pressure 144
Precautions for Alternator and Regulator 144
Handling, Checking and Servicing Batteries Carefully 145
Using Battery Charger 146
Using Booster Batteries—24-Volt System 147
Replacing Batteries 147
Removing Batteries 148
JDLink Machine Monitoring System (MMS)—If Equipped 148
Replacing Fuses 148
Fuse (Blade-Type) Color Codes 151
Drain Fuel Filter Sediment 152
Bleeding Fuel System 153
Check Engine Speeds 155
Do Not Service Control Valves and Cylinders 155
Track Sag General Information 156
Checking Idlers and Rollers for Oil Leakage 156
Checking Carrier Roller Oil Level 157
Cab or ROPS Tilting Procedure 157
Welding Procedure 158
Checking Fire Extinguisher—If Equipped 158
Checking Air Conditioner Refrigerant Level—If Equipped 158
Checking Park Lock Start System 159
Checking Transmission Start System 159
Checking Track Shoe Cap Screw Torque 159
Checking Track Shoe Cap Screw Torque—Master Link 160
Hardware Torque Specifications 160
Metric Bolt and Screw Torque Values 161
Unified Inch Bolt and Screw Torque Values 162
Miscellaneous—Operational Checkout 163
Operational Checkout 163
Miscellaneous—Troubleshooting 173
Troubleshooting Procedure 173
Engine 174
Electrical System 182
Hydraulic System 187
Hydrostatic Transmission 189
Air Conditioning 190
Integrated Grade Control (IGC) System— If Equipped 191
Miscellaneous—Storage 194
Prepare Machine for Storage 194
Monthly Storage Procedure 195
Avoid Track Damage 196
Miscellaneous—Machine Numbers 197
Record Product Identification Number (PIN) 197
Record Engine Serial Number 197
Keep Proof of Ownership 198
Keep Machines Secure 198
Miscellaneous—Specifications 199
LT Crawler Dozer Dimensions 199
LT Crawler Dozer Specifications 200
LT Crawler Dozer Weights 201
WLT Crawler Dozer Dimensions 202
WLT Crawler Dozer Specifications 204
WLT Crawler Dozer Weights 205
LGP Crawler Dozer Dimensions 206
LGP Crawler Dozer Specifications 208
LGP Crawler Dozer Weights 209
Pushbeam Crawler Dozer Dimensions 210
Pushbeam Crawler Dozer Specifications 212
Pushbeam Crawler Dozer Weights 213
WT Pushbeam Crawler Dozer Dimensions 214
WT Pushbeam Crawler Dozer Specifications 216
WT Pushbeam Crawler Dozer Weights 217
LGP Pushbeam Crawler Dozer Dimensions 218
LGP Pushbeam Crawler Dozer Specifications 220
LGP Pushbeam Crawler Dozer Weights 221
Ripper Dimensions 222
Pushbeam and LT Crawler Dozer Drain and Refill Capacities 223
WT and WLT Crawler Dozer Drain and Refill Capacities 223
LGP PAT and LGP Pushbeam Crawler Dozer Drain and Refill Capacities 224
Eurasian Economic Union 224
Machine Design Life 224
Page Number 21
Section 1-1 21
Section 1-2 22
Section 1-3 30
Section 1-4 33
Section 1-5 35
Section 2-1 36
Section 2-2 47
Section 3-1 77
Section 3-2 93
Section 3-3 102
Section 3-4 112
Section 3-5 120
Section 3-6 121
Section 3-7 122
Section 3-8 124
Section 3-9 130
Section 3-10 133
Section 3-11 135
Section 3-12 136
Section 4-1 140
Section 4-2 163
Section 4-3 173
Section 4-4 194
Section 4-5 197
Section 4-6 199
S.V 04/24
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