John Deere 844L & 844LAH 4WD Loader Operator’s Manual – PDF DOWNLOAD

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John Deere 844L & 844LAH 4WD Loader Operator’s Manual – PDF DOWNLOAD

FILE DETAILS:

John Deere 844L & 844LAH 4WD Loader Operator’s Manual – PDF DOWNLOAD

• P/N: OMT426199X19_43
• Language: English
• Division: Construction
• Product Lines: Loaders
• Publication Type: Operator’s Manuals
• Associated Models:
  • 844L
  • 844LAH
• Serial Ranges:
  • 1DW844L_F697293—
  • 1DW844L_L697293—
  • 1DW844LA_F697293—
  • 1DW844LA_L697293—

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere 844L & 844LAH 4WD Loader Operator’s Manual – 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 Fluids 38
Avoid High-Pressure Oils 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
Exhaust Filter Ash Handling and Disposal 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 47
Avoid Backover Accidents 47
Avoid Machine Tip Over and Machine Damage 48
Avoid Power Lines 48
Use Special Care When Operating Loader 49
Operating on Slopes 49
Operating or Traveling On Public Roads 49
Inspect and Maintain ROPS 50
Travel Safely 50
Prevent Acid Burns 51
Add and Operate Attachments Safely 51
Safety-Maintenance Precautions 52
Park and Prepare for Service Safely 52
Service Machines Safely 52
Service Cooling System Safely 53
Service Accumulator Systems Safely 53
Remove Paint Before Welding or Heating 53
Make Welding Repairs Safely 54
Drive Metal Pins Safely 54
Service Tires Safely 55
Use Proper Lifting Equipment 55
Clean Exhaust Filter Safely 56
Safety-Safety Signs and Other Instructions 57
Safety Signs and Other Instructions 57
Operation-Operator’s Station 65
Levers—Hydraulic Controls and Joystick Steering 65
Pedals 66
Sealed Switch Module (SSM) Functions 67
Primary Display Unit (PDU) Functions 72
Horn Button 80
Turn Signals 81
Joystick Steering Armrest Adjustment—If Equipped 81
Air Conditioner and Heater Operation 82
Counter Switch 83
Radio—If Equipped 84
Auxiliary Power Supply 88
Opening and Securing Side Door 89
Opening Side Window (Alternative Exit) 90
Seat Adjustment 91
Fire Extinguisher Mounting Location 93
Power Adjustable Mirrors—If Equipped 94
Dome Light 94
Operation-Operating the Machine 95
Before Starting Work 95
Operator Ability 95
Inspect Machine Daily Before Starting 96
Check Instruments Before Starting 97
Security System 98
Battery Disconnect Switch 98
Engine Break-In Period 99
Starting the Engine 100
Cold Weather Start Aid—Starting Fluid—If Equipped 102
Cold Weather Start Aid—Block Heater—If Equipped 103
Cold Weather Warm-Up 103
Automatic Idle and Automatic Shutdown 104
Park Brake Switch 105
Shifting the Transmission 106
Joystick Bucket and Boom Control 109
Two Lever Bucket and Boom Control 111
Auxiliary Control 112
Joystick Steering Control—If Equipped 113
Ride Control 114
Secondary Steering—If Equipped 115
Differential Lock Operation 116
Exhaust Filter 118
Selective Catalytic Reduction (SCR) System Overview 120
US EPA Qualified Emergency Use — SCR Derate Override Option 122
EU Qualified Emergency Use — SCR Derate Override Option 123
Service ADVISOR™ Remote (SAR) Software Delivery Process 124
Rear Camera and Radar Object Detection (ROD) System—If Equipped 125
Counter Switch Operation—If Equipped 128
Boom Height Kickout Adjustment 129
Return-to-Carry Adjustment 130
Return-to-Dig Adjustment 130
Operating Loader Coupler—If Equipped 131
Using the Loader Bucket 132
Backdragging 133
Fork Attachment 134
Parking the Machine 135
Loading Machine on a Trailer 137
Towing-Recovery Procedure 140
Lifting the Machine 142
Driving the Machine 143
Operating in Water and Mud 143
Required Machine Stop Warning 143
Monitor Operation 145
Aftertreatment Indicators Overview 145
Primary Display Unit (PDU) 146
Main Menu 147
Main Menu—Display Settings 148
Main Menu—Diagnostics 149
Main Menu—Exhaust Filter 151
Main Menu—Exhaust Filter Auto Cleaning 151
Main Menu—Exhaust Filter Parked Cleaning 152
Main Menu—Exhaust Filter Emergency Override 153
Main Menu—Software Update 153
Main Menu—Calibrations—Electro-Hydraulic Valves 154
Main Menu—Calibrations—Implement Control Levers 155
Main Menu—Calibrations—Loader Position Sensors 156
Main Menu—Calibrations—Loader Linkage 156
Main Menu—Calibrations—Transmission Clutches 157
Main Menu—Calibrations—Hydraulic Pressure Management (HPM) Valve 158
Main Menu—Calibrations—Brake Pedal 159
Main Menu—Calibrations—Steering Valves 159
Main Menu—Calibrations—Steering Stops 160
Main Menu—Machine Setup 161
Main Menu—Security 166
Main Menu—Machine Fan 168
Main Menu—Fuel Consumption 169
Main Menu—About 170
Main Menu—Job Timer 171
Main Menu—Camera—If Equipped 172
Main Menu—Payload Weighing—If Equipped 173
Main Menu—Tire Pressure Monitoring System (TPMS)—If Equipped 174
Main Menu—Attachments—If Equipped 175
Maintenance-Machine 176
Required Emission-Related Information 176
Diesel Fuel 176
Diesel Fuel Specifications 177
Lubricity of Diesel Fuel 177
Handling and Storing Diesel Fuel 177
Biodiesel Fuel 178
Testing Diesel Fuel 179
Supplemental Diesel Fuel Additives 179
Fuel Filters 179
Diesel Exhaust Fluid (DEF) — Use in Selective Catalytic Reduction (SCR) Equipped Engines 180
Refilling Diesel Exhaust Fluid (DEF) Tank 181
Storing Diesel Exhaust Fluid (DEF) 182
Testing Diesel Exhaust Fluid (DEF) 182
Disposal of Diesel Exhaust Fluid (DEF) 183
Minimizing the Effect of Cold Weather on Diesel Engines 184
John Deere Break-In Plus™ Engine Oil — Interim Tier 4, Final Tier 4, Stage IIIB, Stage IV, and Stage V 185
Diesel Engine Oil — Interim Tier 4, Final Tier 4, Stage IIIB, Stage IV, and Stage V 186
Engine Oil and Filter Service Intervals — Interim Tier 4, Final Tier 4, Stage IIIB, Stage IV, and Stage V Engines 187
Diesel Engine Oil Service Interval for Operation at High Altitude 187
Oil Filters 188
Diesel Engine Coolant (engine with wet sleeve cylinder liners) 189
Water Quality for Mixing with Coolant Concentrate 190
Operating in Warm Temperature Climates 190
Testing Coolant Freeze Point 191
Disposing of Coolant 191
Alternative and Synthetic Lubricants 192
Lubricant Storage 192
Mixing of Lubricants 192
Hydraulic Oil 193
Transmission, Park Brake, and Axle Oil 194
Grease with Molybdenum Disulfide 194
Maintenance-Periodic Maintenance 195
Service Machine at Specified Intervals 195
Check the Hour Meter Regularly 195
Prepare Machine for Maintenance 196
Frame Locking Bar 198
Supporting the Loader Boom 198
Engine Service Doors and Side Shields 199
Cooling System Doors 201
Fuel Tank 202
Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit 202
Service Intervals 203
Required Parts 205
Maintenance-As Required 207
Refill Auto-Lube Grease Reservoir—If Equipped 207
Clean Hydraulic Pump Case Drain In-Line Screen 208
Inspect Tires and Check Pressure 210
Tire Pressures 211
Check Wheel Bolt Torque 213
Inspect Engine Air Cleaner Elements 214
Replace Fast Fill Fuel Breather Filter—If Equipped 215
Inspect Serpentine Belt 216
Clean Cooler Cores 217
Check Rear Camera and Radar Object Detection (ROD) System—If Equipped 219
Drain Water From Primary Fuel Filter With Water Separator 220
Drain, Flush, and Refill Fuel Tank 221
Check and Clean Fuel Sending Unit Pickup Screen 221
Service Exhaust Filter 222
Check Window Washer Fluid Level 222
Check Cab Recirculation Air Filter 223
Check Cab Fresh Air Filter 224
Clean and Tighten Battery Terminals 224
Maintenance-Every 10 Hours or Daily 225
Check Auto-Lube Lines and Grease Points—If Equipped 225
Check Auto-Lube Grease Reservoir and Manifolds—If Equipped 226
Check Hydraulic System Oil Level 227
Check Coolant Level at Surge Tank 228
Check Engine Oil Level 229
Check Transmission Oil Level 230
Inspect Outer Pin Seals 231
Maintenance-Every 100 Hours 232
Lubricate Loader Linkage and Cylinder Pivots 232
Lubricate Rear Axle Oscillating Pivot 233
Maintenance-Every 250 Hours 234
Take Engine Oil Sample 234
Maintenance-Initial Service 500 Hours 235
Drain and Refill Front and Rear Axle Oil 235
Replace Axle Oil Filters 236
Maintenance-Every 500 Hours 237
Lubricate Driveline Upper and Lower Sliding Joints and Lower U-Joints 237
Check Hybrid Battery Electrolyte Level—If Equipped 238
Check Auto-Lube Internal Pump Filter—If Equipped 240
Replace Hydraulic Reservoir Breather Filter 240
Check Front and Rear Axle Oil Level 241
Replace Fast Fill Fuel Breather Filter—If Equipped 242
Check Air Intake Hoses and Charge Air Cooler Tube Couplings 243
Drain and Refill Engine Oil and Replace Filter 244
Replace Primary Fuel Filter With Water Separator 246
Replace Final Fuel Filter 247
Lubricate Front and Rear Shaft Seals on Park Brake 247
Check Park Brake Oil Level 248
Check Ride Control Accumulator 249
Take Fluid Samples 249
Maintenance-Every 1000 Hours 250
Replace Axle Oil Filters 250
Replace Engine Air Cleaner Elements 251
Check Coolant Condition 252
Lubricate Frame Hinge Pivots 252
Drain and Refill Park Brake Oil 253
Replace Fuel Tank Breather Filter 253
Maintenance-Every 2000 Hours 254
Drain and Refill Front and Rear Axle Oil 254
Drain and Refill Transmission Oil and Replace Filters 255
Check and Adjust Electronic Injector Preload 256
Check and Adjust Engine Valve Lash 257
Rerun Transmission Clutch Calibration 257
Access Diesel Exhaust Fluid (DEF) Dosing Unit Filter 257
Replace Diesel Exhaust Fluid (DEF) Dosing Unit Filter 258
Maintenance-Every 4000 Hours 259
Clean Hydraulic System Fill Strainer 259
Replace Hydraulic System Return Filters 260
Drain, Flush, and Refill Hydraulic System Oil 261
Replace Diesel Exhaust Fluid (DEF) Tank Breather Filter 263
Maintenance-Every 5000 Hours 264
Check Driveline Damper For Cracks 264
Maintenance-Every 6000 Hours 265
Drain Cooling System 265
Refill Cooling System 267
Replace Diesel Exhaust Fluid (DEF) In-Line Filter 269
Miscellaneous-Machine 270
Clean Machine Regularly 270
Bleed Fuel System 270
Do Not Service or Adjust Injection Nozzles or High-Pressure Fuel Pump 270
Inspect and Clean Polycarbonate Windows 271
Do Not Service Control Valves, Cylinders, Pumps or Motors 272
Precautions for Alternator and Regulator 272
Handling, Checking, and Servicing Batteries Carefully 273
Using Battery Charger 274
Using Booster Batteries—24-Volt System 276
Replacing Batteries 277
Welding on Machine 279
Keep Electronic Control Unit Connectors Clean 279
JDLink™ Machine Monitoring System (MMS)—If Equipped 279
Replacing Fuses 280
Fluid Sampling Test Ports 282
Keep ROPS Installed Properly 283
Verified Anchor Point Information 284
Remove and Install Halogen Bulbs 285
Replacing Seat Belt 286
Seat Belt Minder System—If Equipped 286
Tire Removal With Tire Pressure Monitor (TPM) System—If Equipped 287
Check Air Inlet Cover 287
12-Volt Auxiliary Power Outlet—If Equipped 287
External Service Brake Inspection 287
Bleeding Brakes 288
Service Recommendations For Snap-To-Connect (STC®) Fittings 289
Replacing Bucket Teeth—TK Series 290
Hardware Torque Specifications 290
Metric Bolt and Screw Torque Values 291
Unified Inch Bolt and Screw Torque Values 292
Miscellaneous-Operational Checkout 293
Operational Checkout 293
Diagnostic Trouble Code Check 293
Operational Checks—Ignition OFF, Engine OFF Checks 293
Operational Checks—Ignition ON, Engine OFF Checks 294
Operational Checks—Ignition ON, Engine ON Checks 301
Miscellaneous-Troubleshooting 329
Troubleshooting Procedure 329
Engine 330
Transmission 334
Differential and Axle 336
Service Brake 337
Driveline 338
Park Brake 338
Hydraulic System 339
Steering 342
Air Conditioning System 343
Heating System 344
Software Update 345
Miscellaneous-Storage 346
Prepare Machine for Storage 346
Monthly Storage Procedure 347
Preparing Engine for Long-Term Storage 348
Removing Engine From Long-Term Storage 349
Miscellaneous-Machine Numbers 350
Record Product Identification Number (PIN) 350
Record Engine Serial Number 350
Record Transmission Serial Number 350
Record Hydraulic Pumps Serial Number 351
Record Front and Rear Axle Housing Serial Numbers 351
Keep Proof of Ownership 351
Keep Machines Secure 352
Miscellaneous—Specifications 353
Engine Specifications 353
Drain and Refill Capacities 354
Standard Z-Bar Specifications 355
Travel Speeds 358
Machine Design Life 358
Eurasian Economic Union 359
Page Number 29
Section 1-1 33
Section 1-2 34
Section 1-3 44
Section 1-4 52
Section 1-5 57
Section 2-1 65
Section 2-2 95
Section 2-3 145
Section 3-1 176
Section 3-2 195
Section 3-3 207
Section 3-4 225
Section 3-5 232
Section 3-6 234
Section 3-7 235
Section 3-8 237
Section 3-9 250
Section 3-10 254
Section 3-11 259
Section 3-12 264
Section 3-13 265
Section 4-1 270
Section 4-2 293
Section 4-3 329
Section 4-4 346
Section 4-5 350
Section 4-6 353

S.V 04/24