John Deere 844 P 4WD Loader Operator’s Manual OMT473606X019 – PDF DOWNLOAD

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John Deere 844 P 4WD Loader Operator’s Manual OMT473606X019 – PDF DOWNLOAD

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John Deere 844 P 4WD Loader Operator’s Manual OMT473606X019 – PDF DOWNLOAD

• P/N: OMT473606X019_43
• Language: English
• Division: Construction
• Product Lines: Loaders
• Publication Type: Operator’s Manuals
• Associated Models: 844 P
• Serial Range: 1DW844PA_D_05963—

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere 844 P 4WD Loader Operator’s Manual OMT473606X019 – PDF DOWNLOAD

Contents 29
Safety-Safety and Operator Conveniences 33
Safety and Operator Convenience Features 33
Safety-General Precautions 34
Information for European Union Directives and Eurasian Economic Union Technical Regulations Compliance 34
Recognize Safety Information 35
Follow Safety Instructions 36
Operate Only If Qualified 36
Wear Protective Equipment 36
Protect Against Noise 37
Avoid Unauthorized Machine Modifications 37
Inspect Machine 37
Stay Clear of Moving Parts 37
Avoid High-Pressure Oils and Fluids 38
Work In Ventilated Area 38
Avoid Static Electricity Risk When Refueling 39
High Debris Applications 39
Prevent Fires, Clean Debris From Machine 40
In Case of Machine Fire 40
Prevent Battery Explosions 41
Handle Chemical Products Safely 41
Handle Starting Fluid Safely 41
Decommissioning — Proper Recycling and Disposal of Fluids and Components 42
Prepare for Emergencies 42
Clean Debris from Machine 43
Add Cab Guarding for Special Uses 43
Safety-Operating Precautions 44
Use Steps and Handholds Correctly 44
Start Only From Operator’s Seat 44
Use and Maintain Seat Belt 44
Heated and Ventilated Operator’s Seat 45
Prevent Unintended Machine Movement 45
Avoid Work Site Hazards 46
Keep Riders Off Machine 46
Avoid Backover Accidents 47
Avoid Machine Tip Over and Machine Damage 47
Avoid Power Lines 48
Use Special Care When Operating Loader 48
Operating on Slopes 48
Operating or Traveling On Public Roads 49
Inspect and Maintain ROPS 49
Travel Safely 49
Prevent Acid Burns 50
Add and Operate Attachments Safely 50
Safety-Maintenance Precautions 51
Park and Prepare for Service Safely 51
Service Machines Safely 51
Service Cooling System Safely 52
Service Accumulator Systems Safely 52
Remove Paint Before Welding or Heating 52
Make Welding Repairs Safely 53
Drive Metal Pins Safely 53
Service Tires Safely 54
Use Proper Lifting Equipment 54
Safety-Safety Signs and Other Instructions 55
Safety Signs and Other Instructions 55
Operation-Operator’s Station 63
Using the Seat Belt 63
Levers—Hydraulic Controls and Joystick Steering 63
Pedals 64
Switch Module 1 (SM1) Functions 65
Primary Display Unit (PDU) Functions 70
Horn Button 78
Turn Signals 79
Joystick Steering Armrest Adjustment—If Equipped 79
Air Conditioner and Heater Operation 80
Counter Switch 81
Radio—If Equipped 82
Auxiliary Power Supply 86
Opening and Securing Side Door 87
Opening Side Window (Alternative Exit) 88
Seat Adjustment 89
Fire Extinguisher Mounting Location 91
Power Adjustable Mirrors—If Equipped 92
Dome Light 92
Operation-Operating the Machine 93
Before Starting Work 93
Inspect Machine Daily Before Starting 94
Check Instruments Before Starting 95
Security System 96
Battery Disconnect Switch 96
Engine Break-In Period 97
Starting the Engine 98
Cold Weather Start Aid—Starting Fluid—If Equipped 100
Cold Weather Start Aid—Block Heater—If Equipped 101
Cold Weather Warm-Up 101
Operator Ability 101
Automatic Idle and Automatic Shutdown 102
Park Brake Switch 103
Shifting the Transmission 104
Joystick Bucket and Boom Control 107
Two Lever Bucket and Boom Control 109
Auxiliary Control 110
Joystick Steering Control—If Equipped 111
Ride Control 112
Secondary Steering—If Equipped 113
Differential Lock Operation 114
Service ADVISOR™ Remote (SAR) Software Delivery Process 116
Rear Camera and Radar Object Detection (ROD) System—If Equipped 117
Rear Digital Camera, Advanced Vision Systems (AVS), and Object Detection—If Equipped 120
EH Parallelism 121
Advanced Secondary Monitor—Display Settings 122
Counter Switch Operation—If Equipped 123
Boom Height Kickout Adjustment 124
Return-to-Carry Adjustment 125
Return-to-Dig Adjustment 125
Operating Loader Coupler—If Equipped 126
Using the Loader Bucket 127
Backdragging 128
Fork Attachment 129
Parking the Machine 130
Loading Machine on a Trailer 132
Towing-Recovery Procedure 135
Lifting the Machine 137
Driving the Machine 138
Operating in Water and Mud 138
Monitor Operation 139
Primary Display Unit (PDU) 139
Main Menu 140
Main Menu—Display Settings 141
Main Menu—Diagnostics 142
Main Menu—Software Update 144
Main Menu—Calibrations—Electro-Hydraulic Valves 145
Main Menu—Calibrations—Implement Control Levers 146
Main Menu—Calibrations—Loader Position Sensors 147
Main Menu—Calibrations—Loader Linkage 147
Main Menu—Calibrations—Armrest Position Sensor 148
Main Menu—Calibrations—Transmission Clutches 148
Main Menu—Calibrations—Hydraulic Pressure Management (HPM) Valve 149
Main Menu—Calibrations—Brake Pedal 150
Main Menu—Calibrations—Steering Valves 150
Main Menu—Calibrations—Steering Stops 151
Main Menu—Calibrations—Articulation Angle Sensor 151
Main Menu—Machine Setup 152
Main Menu—Security 156
Main Menu—Machine Fan 158
Main Menu—Fuel Consumption 159
Main Menu—About 160
Main Menu—Job Timer 161
Main Menu—Camera—If Equipped 162
Main Menu—Payload Weighing—If Equipped 163
Main Menu—Tire Pressure Monitoring System (TPMS)—If Equipped 164
Main Menu—Attachments—If Equipped 165
Maintenance-Machine 166
Engines With Tier 3-Stage IIIA/MAR-I Emission Control 166
Required Emission-Related Information 166
Diesel Fuel 167
Lubricity of Diesel Fuel 167
Handling and Storing Diesel Fuel 168
Biodiesel Fuel 169
Testing Diesel Fuel 170
Supplemental Diesel Fuel Additives 170
Fuel Filters 170
Minimizing the Effect of Cold Weather on Diesel Engines 171
Diesel Engine Break-In™ Oil 172
Diesel Engine Oil — Tier 3 and Stage IIIA 173
Engine Oil and Filter Service Intervals—Tier 3 and Stage IIIA Engines 174
Diesel Engine Oil Service Interval for Operation at High Altitude 175
Oil Filters 175
Diesel Engine Coolant (engine with wet sleeve cylinder liners) 176
Water Quality for Mixing with Coolant Concentrate 177
Operating in Warm Temperature Climates 177
Testing Coolant Freeze Point 178
Disposing of Coolant 178
Alternative and Synthetic Lubricants 179
Lubricant Storage 179
Mixing of Lubricants 179
Hydraulic Oil 180
Transmission, Park Brake, and Axle Oil 181
Grease with Molybdenum Disulfide 181
Maintenance-Periodic Maintenance 182
Service Machine at Specified Intervals 182
Check the Hour Meter Regularly 182
Prepare Machine for Maintenance 183
Frame Locking Bar 185
Supporting the Loader Boom 185
Engine Service Doors and Side Shields 186
Cooling System Doors 188
Fuel Tank 189
Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit 189
Service Intervals 190
Required Parts 192
Maintenance-As Required 194
Refill Auto-Lube Grease Reservoir—If Equipped 194
Clean Hydraulic Pump Case Drain In-Line Screen 195
Inspect Tires and Check Pressure 197
Tire Pressures 198
Check Wheel Bolt Torque 201
Inspect Engine Air Cleaner Elements 202
Replace Fast Fill Fuel Breather Filter—If Equipped 203
Inspect Serpentine Belt 204
Clean Cooler Cores 205
Check Rear Camera and Radar Object Detection (ROD) System—If Equipped 207
Drain Water From Primary Fuel Filter With Water Separator 208
Drain Water From Auxiliary Fuel Filter with Water Separator—If Equipped 208
Drain, Flush, and Refill Fuel Tank 209
Check and Clean Fuel Sending Unit Pickup Screen 209
Check Window Washer Fluid Level 210
Check Cab Recirculation Air Filter 210
Check Cab Fresh Air Filter 211
Clean and Tighten Battery Terminals 211
Maintenance-Every 10 Hours or Daily 212
Check Auto-Lube Lines and Grease Points—If Equipped 212
Check Auto-Lube Grease Reservoir and Manifolds—If Equipped 213
Check Hydraulic System Oil Level 214
Check Coolant Level at Surge Tank 215
Check Engine Oil Level 216
Check Transmission Oil Level 217
Inspect Outer Pin Seals 218
Maintenance-Every 100 Hours 219
Lubricate Loader Linkage and Cylinder Pivots 219
Lubricate Rear Axle Oscillating Pivot 220
Maintenance-Every 250 Hours 221
Take Engine Oil Sample 221
Maintenance-Initial Service 500 Hours 222
Drain and Refill Front and Rear Axle Oil 222
Replace Axle Oil Filters 223
Maintenance-Every 500 Hours 224
Lubricate Driveline Upper and Lower Sliding Joints and Lower U-Joints 224
Check Hybrid Battery Electrolyte Level—If Equipped 225
Check Auto-Lube Internal Pump Filter—If Equipped 227
Replace Hydraulic Reservoir Breather Filter 227
Check Front and Rear Axle Oil Level 228
Replace Fast Fill Fuel Breather Filter—If Equipped 229
Replace Auxiliary Fuel Filter with Water Separator—If Equipped 230
Check Air Intake Hoses and Charge Air Cooler Tube Couplings 231
Drain and Refill Engine Oil and Replace Filter 232
Replace Primary Fuel Filter With Water Separator 234
Replace Final Fuel Filter 235
Lubricate Front and Rear Shaft Seals on Park Brake 235
Check Park Brake Oil Level 236
Check Ride Control Accumulator 237
Take Fluid Samples 237
Maintenance-Every 1000 Hours 238
Replace Axle Oil Filters 238
Replace Engine Air Cleaner Elements 239
Check Coolant Condition 240
Lubricate Frame Hinge Pivots 240
Drain and Refill Park Brake Oil 241
Replace Fuel Tank Breather Filter 241
Maintenance-Every 2000 Hours 242
Drain and Refill Front and Rear Axle Oil 242
Drain and Refill Transmission Oil and Replace Filters 243
Check and Adjust Electronic Injector Preload 244
Check and Adjust Engine Valve Lash 245
Rerun Transmission Clutch Calibration 245
Maintenance-Every 4000 Hours 246
Clean Hydraulic System Fill Strainer 246
Replace Hydraulic System Return Filters 247
Drain, Flush, and Refill Hydraulic System Oil 248
Drain, Flush, and Refill Hydraulic System Oil 250
Maintenance-Every 5000 Hours 252
Check Driveline Damper For Cracks 252
Maintenance-Every 6000 Hours 253
Drain Cooling System 253
Refill Cooling System 255
Miscellaneous-Machine 257
Clean Machine Regularly 257
Bleed Fuel System 257
Do Not Service or Adjust Injection Nozzles or High-Pressure Fuel Pump 257
Inspect and Clean Polycarbonate Windows 258
Do Not Service Control Valves, Cylinders, Pumps or Motors 259
Precautions for Alternator and Regulator 259
Handling, Checking, and Servicing Batteries Carefully 260
Using Battery Charger 261
Using Booster Batteries—24-Volt System 263
Replacing Batteries 264
Welding On Machine 266
Keep Electronic Control Unit Connectors Clean 266
JDLink™ Machine Monitoring System (MMS)—If Equipped 266
Replacing Fuses 267
Fluid Sampling Test Ports 269
Keep ROPS Installed Properly 270
Verified Anchor Point Information 271
Remove and Install Halogen Bulbs 272
Replacing Seat Belt 273
Seat Belt Minder System—If Equipped 273
Tire Removal With Tire Pressure Monitor (TPM) System—If Equipped 274
Check Air Inlet Cover 274
12-Volt Auxiliary Power Outlet—If Equipped 274
External Service Brake Inspection 274
Bleeding Brakes 275
Service Recommendations For Snap-To-Connect (STC®) Fittings 276
Replacing Bucket Teeth—TK Series 277
Hardware Torque Specifications 277
Metric Bolt and Screw Torque Values 278
Unified Inch Bolt and Screw Torque Values 279
Miscellaneous-Operational Checkout 280
Operational Checkout 280
Diagnostic Trouble Code Check 280
Operational Checks—Ignition OFF, Engine OFF Checks 280
Operational Checks—Ignition ON, Engine OFF Checks 281
Operational Checks—Ignition ON, Engine ON Checks 288
Miscellaneous-Troubleshooting 315
Troubleshooting Procedure 315
Engine 316
Transmission 320
Differential and Axle 322
Service Brake 323
Driveline 323
Park Brake 324
Hydraulic System 325
Steering 328
Air Conditioning System 329
Heating System 330
Software Update 331
Miscellaneous-Storage 332
Prepare Machine for Storage 332
Monthly Storage Procedure 333
Miscellaneous-Machine Numbers 334
Record Product Identification Number (PIN) 334
Record Engine Serial Number 334
Record Transmission Serial Number 334
Record Hydraulic Pumps Serial Number 335
Record Front and Rear Axle Housing Serial Numbers 335
Keep Proof of Ownership 335
Keep Machines Secure 336
Miscellaneous—Specifications 337
Engine Specifications 337
Drain and Refill Capacities 337
Standard Z-Bar Specifications 338
Travel Speeds 339
Machine Design Life 339
Eurasian Economic Union 340
Page Number 29
Section 1-1 33
Section 1-2 34
Section 1-3 44
Section 1-4 51
Section 1-5 55
Section 2-1 63
Section 2-2 93
Section 2-3 139
Section 3-1 166
Section 3-2 182
Section 3-3 194
Section 3-4 212
Section 3-5 219
Section 3-6 221
Section 3-7 222
Section 3-8 224
Section 3-9 238
Section 3-10 242
Section 3-11 246
Section 3-12 252
Section 3-13 253
Section 4-1 257
Section 4-2 280
Section 4-3 315
Section 4-4 332
Section 4-5 334
Section 4-6 337

S.V 04/24