John Deere 850J Crawler Dozer OPERATOR’S MANUAL OMT224252 – PDF DOWNLOAD

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John Deere 850J Crawler Dozer OPERATOR’S MANUAL OMT224252 – PDF DOWNLOAD

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John Deere 850J Crawler Dozer OPERATOR’S MANUAL OMT224252 – PDF DOWNLOAD

Language : English
Pages :222
Downloadable : Yes
File Type : PDF

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John Deere 850J Crawler Dozer OPERATOR’S MANUAL OMT224252 – PDF DOWNLOAD

(Serial No. 130886

• carefully to learn how to operate and service your machine correctly. Failure to do so could result in personal injury or equipment damage. This manual and safety signs on your machine may also be available in other languages. (See your authorized dealer to order.)
• THIS MANUAL SHOULD BE CONSIDERED a permanent part of your machine and should remain with the machine when you sell it. MEASUREMENTS in this manual are given in both metric and customary U.S. unit equivalents. Use only correct replacement parts and fasteners. Metric and inch fasteners may require a specific metric or inch tool. RIGHTHAND AND LEFTHAND sides are determined by facing in the direction of forward travel. WRITE PRODUCT IDENTIFICATION NUMBERS (P.I.N.) in the Machine Numbers section.
• Accurately record all the numbers to help in tracing the machine should it be stolen. Your dealer also needs these numbers when you order parts. File the identification numbers in a secure place off the machine. WARRANTY is provided as part of John Deere’s support program for customers who operate and maintain their equipment as described in this manual. The warranty is explained on the warranty certificate which you should have received from your dealer.
• This warranty provides you the assurance that John Deere will back its products where defects appear within the warranty period. In some circumstances, John Deere also provides field improvements, often without charge to the customer, even if the product is out of warranty. Should the equipment be abused, or modified to change its performance beyond the original factory specifications, the warranty will become void and field improvements may be denied. Setting fuel delivery above specifications or otherwise overpowering machines will result in such action

TABLE OF CONTENTS:

John Deere 850J Crawler Dozer OPERATOR’S MANUAL OMT224252 – PDF DOWNLOAD

Contents 7
Safety—Operator Convenience Features 11
Safety and Operator Convenience Features 11
Safety—General Precautions 12
Recognize Safety Information 12
Follow Safety Instructions 12
Operate Only If Qualified 12
Wear Protective Equipment 12
Avoid Unauthorized Machine Modifications 13
Inspect Machine 13
Stay Clear of Moving Parts 13
Avoid High-Pressure Fluids 13
Beware of Exhaust Fumes 14
Prevent Fires 14
Prevent Battery Explosions 15
Handle Chemical Products Safely 15
Dispose of Waste Properly 15
Prepare for Emergencies 16
Add Cab Guarding For Special Uses 16
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 20
Drive Metal Pins Safely 21
Safety—Safety Signs 22
Safety Signs 22
Operation—Operator’s Station 23
Display Monitor 23
Display Monitor Functions 24
Front Console Switch Functions 26
Monitor Display Unit—Normal Display 26
Warm-Up Indicator 27
Air Conditioner and Heat—If Equipped 28
Windshield Wiper and Washer Controls 28
Battery Disconnect Switch 28
Door Latch 29
Secondary Exits—Cab Units Only 29
Cab Windows 30
Adjusting Seat 31
Seat Belt 31
Beacon—If Equipped 31
Fire Extinguisher—If Equipped 32
Operation—Operating the Machine 33
Inspect Machine Daily Before Starting 33
Check Instruments Before Starting 34
Starting the Engine 34
Starting Fluid—Cold Weather Start Aid 36
Engine Block Heater—If Equipped 37
Engine Warm-Up 38
Cold Weather Warm-Up 38
Transmission Control Lever 38
Driving the Machine 39
Using Engine Speed Control Knob 40
Travel Speed Using Transmission Control Lever 40
Decel/Brake Pedal and Decelerator Mode Switch 40
Using Park Lock Lever 42
Hydraulic Enable Switch/Hydraulic Accumulator Discharge 42
Stopping the Engine—Normal Shutdown 43
Stopping the Machine 43
Parking the Machine 43
Ripper Control Lever—If Equipped 45
Blade Control Lever—Operation 45
Changing Blade Pitch 46
Changing Blade Pitch—Push Beam Dozer Linkage 47
Changing Blade Pitch—C-Frame Dozer Linkage 47
Avoid Track Damage 48
Extend Undercarriage Life 49
Loading Machine on a Trailer 49
Lifting the Machine 50
Releasing Park Brake to Tow the Machine 51
Operating on Steep Hills 53
CAN Monitor Unit (CMU) Main Menu 53
CAN Monitor Unit (CMU) Main Menu—Codes 53
CAN Monitor Unit (CMU) Main Menu—Codes—Active Codes 53
CAN Monitor Unit (CMU) Main Menu—Codes—Stored Codes 54
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 54
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Controller Inf 55
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Trans Settings 55
CAN Monitor Unit (CMU) Main Menu—Machine Settings—Hydraulic Sett 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 57
CAN Monitor Unit (CMU) Main Menu—Diagnostics—Live Values—Tempera 58
CAN Monitor Unit (CMU) Main Menu—Diagnostics—Live Values—Pressur 58
CAN Monitor Unit (CMU) Main Menu—Diagnostics—Live Values—Speeds 58
CAN Monitor Unit (CMU) Main Menu—Monitor Settings 59
CAN Monitor Unit (CMU) Main Menu—Monitor Settings—Units 59
CAN Monitor Unit (CMU) Main Menu—Monitor Settings—Backlighting 59
CAN Monitor Unit (CMU) Main Menu—Monitor Settings—LCD Contrast 59
CAN Monitor Unit (CMU) Main Menu—Monitor Settings—Monitor Config 60
Maintenance—Machine 61
Diesel Fuel 61
Lubricity of Diesel Fuel 61
Handling and Storing Diesel Fuel 61
Biodiesel Fuel 62
Testing Diesel Fuel 63
Minimizing the Effect of Cold Weather on Diesel Engines 63
Alternative and Synthetic Lubricants 64
Diesel Engine Break-In Oil 65
Diesel Engine Oil—Tier 2/Stage II Engines 65
Diesel Engine Oil and Filter Service Intervals—Tier 2/Stage II E 66
Diesel Engine Oil—Tier 3/Stage IIIA Engines 67
Diesel Engine Oil and Filter Service Intervals—Tier 3/Stage IIIA 68
Heavy Duty Diesel Engine Coolant 69
Drain Intervals for Diesel Engine Coolant 70
John Deere COOL-GARD™ II COOLANT EXTENDER 71
Supplemental Coolant Additives 71
Operating in Warm Temperature Climates 72
Additional Information About Diesel Engine Coolants and John Dee 72
Testing Diesel Engine Coolant 73
Transmission and Hydraulic Reservoir Oil 74
Inner and Outer Final Drive Oil 74
Track Rollers, Front Idler, Carrier Roller and Track Frame Pivot 75
Grease 75
Maintenance—Periodic Maintenance 77
Engine Identification 77
Service Machine at Specified Intervals 78
Prepare Machine for Maintenance 79
Check Hour Meter Regularly 80
Maintenance and Repair Record Keeping System 80
Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit 81
Service Intervals 81
Required Parts 82
Maintenance—As Required 85
Check Alternator Belt Tension 85
Check Track Sag 85
Adjust Track Sag 85
Check Engine Air Filter Restriction Indicator 87
Maintenance—Every 10 Hours or Daily 88
Check Engine Oil Level 88
Check Coolant Level 89
Check Transmission Oil Level 91
Check Hydraulic Oil Level 92
Grease Push Beam Dozer Linkage 93
Grease C-Frame Dozer Linkage 93
Check Auxiliary Water Separator Fuel Filter—If Equipped 95
Maintenance—Every 50 Hours 96
Grease Right and Left End Crossbar Pivot 96
Grease Push Beam Lift Cylinder Pivots 96
Grease Ripper—If Equipped 96
Maintenance—Initial Service – 250 Hours 97
Change Engine Break-In Oil and Filter 97
Maintenance—Every 250 Hours 98
Check Inner and Outer Final Drive Housings Oil Level 98
Maintenance—Every 500 Hours 99
Change Engine Oil and Filter 99
Replace Primary and Final Fuel Filters100
Check Battery Electrolyte Level and Terminals102
Check Air Intake Hose103
Check Coolant and Conditioner in Radiator104
Replace Auxiliary Water Separator Fuel Filter—If Equipped105
Maintenance—Every 1000 Hours107
Clean Engine Crankcase Vent Tube107
Change Final Drive Oil107
Check Track Frame Pivot Shaft Oil109
Maintenance—Every 2000 Hours110
Change Hydraulic System Oil and Replace Filter110
Change Hydrostatic Transmission Oil and Replace Hydrostatic Char111
Adjust Engine Valve Lash111
Maintenance—Every 4500 Hours112
Replace Engine Torsional Dampener112
Miscellaneous—Machine113
Replace Air Filter Elements113
Keep ROPS Installed Properly114
Checking Coolant Hoses114
Servicing the Cooling System115
Draining the Cooling System116
Filling the Cooling System119
Do Not Service or Adjust Injection Nozzles or Injection Pump120
Clean Dust Unloader Valve121
Fuel Drain and Shutoff Valve121
Discharge Pilot Control System Hydraulic Pressure122
Precautions for Alternator and Regulator122
Handling, Checking and Servicing Batteries Carefully122
Using Battery Charger124
Using Booster Batteries—24-Volt System124
Replacing Batteries125
Removing Batteries126
JDLink™ Machine Monitoring System (MMS)—If Equipped126
JDLink™ Machine Monitoring System (MMS) Direct Laptop Connection126
Replacing Fuses128
Fuse (Blade-Type) Color Codes132
Drain Fuel Filter Sediment132
Bleeding Fuel System133
Cleaning Fresh Cab Air Filter—If Equipped137
Cleaning Cab Air Recirculation Filter—If Equipped137
Check Engine Speeds137
Do Not Service Control Valves and Cylinders137
Track Sag General Information138
Checking Idlers and Rollers for Oil Leakage138
Checking Carrier Roller Oil Level138
Cab or ROPS Tilting Procedure139
Welding Procedure140
Checking Fire Extinguisher—If Equipped140
Checking Air Conditioner Refrigerant Level—If Equipped140
Checking Park Lock Start System140
Checking Transmission Start System141
Checking Track Shoe Cap Screw Torque141
Checking Track Shoe Cap Screw Torque—Master Link142
Hardware Torque Specifications143
Metric Bolt and Screw Torque Values143
Unified Inch Bolt and Screw Torque Values143
Miscellaneous—Operational Checkout145
Operational Checkout145
Engine On Checks150
Miscellaneous—Troubleshooting157
Troubleshooting Procedure157
Engine157
Electrical System166
Hydraulic System172
Hydrostatic Transmission175
Air Conditioning175
Integrated Grade Control (IGC) System (If Equipped)176
Miscellaneous—Storage180
Prepare Machine for Storage180
Monthly Storage Procedure180
Avoid Track Damage181
Miscellaneous—Machine Numbers182
Record Product Identification Number (PIN)182
Record Engine Serial Number182
Keep Proof of Ownership182
Keep Machines Secure183
Miscellaneous—Specifications184
LT Crawler Dozer Dimensions184
LT Crawler Dozer Specifications185
LT Crawler Dozer Weights188
WLT Crawler Dozer Dimensions188
WLT Crawler Dozer Specifications190
WLT Crawler Dozer Weights193
LGP Crawler Dozer Dimensions193
LGP Crawler Dozer Specifications195
LGP Crawler Dozer Weights198
Pushbeam Crawler Dozer Dimensions198
Pushbeam Crawler Dozer Specifications200
Pushbeam Crawler Dozer Weights203
WT Pushbeam Crawler Dozer Dimensions203
WT Pushbeam Crawler Dozer Specifications205
WT Pushbeam Crawler Dozer Weights208
LGP Pushbeam Crawler Dozer Dimensions208
LGP Pushbeam Crawler Dozer Specifications210
LGP Pushbeam Crawler Dozer Weights213
Ripper Dimensions213
Pushbeam and LT Crawler Dozer Drain and Refill Capacities214
WT and WLT Crawler Dozer Drain and Refill Capacities215
LGP PAT and LGP Pushbeam Crawler Dozer Drain and Refill Capaciti215
Page Number 7
Section 1-1 11
Section 1-2 12
Section 1-3 17
Section 1-4 20
Section 1-5 22
Section 2-1 23
Section 2-2 33
Section 3-1 61
Section 3-2 77
Section 3-3 85
Section 3-4 88
Section 3-5 96
Section 3-6 97
Section 3-7 98
Section 3-8 99
Section 3-9107
Section 3-10110
Section 3-11112
Section 4-1113
Section 4-2145
Section 4-3157
Section 4-4180
Section 4-5182
Section 4-6184

S.M 4/1/25