John Deere 644K 4WD LOADER Operator’s Manual – PDF DOWNLOAD

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John Deere 644K 4WD LOADER Operator’s Manual – PDF DOWNLOAD

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John Deere 644K 4WD LOADER Operator’s Manual – PDF DOWNLOAD

• P/N: OMT317763_43
• Language: English
• Division: Construction
• Product Lines: Loaders
• Publication Type: Operator’s Manuals
• Associated Models: 644K
• Serial Range: 1DW644K_F658218—

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere 644K 4WD LOADER Operator’s Manual – PDF DOWNLOAD

Contents 27
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
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 39
Avoid Static Electricity Risk When Refueling 39
Prevent Fires 40
In Case of Machine Fire 40
Prevent Battery Explosions 41
High Debris Applications 41
Clean Debris from Machine 41
Handle Chemical Products Safely 42
Handle Starting Fluid Safely 42
Decommissioning — Proper Recycling and Disposal of Fluids and Components 43
Exhaust Filter Ash Handling and Disposal 43
Prepare for Emergencies 43
Add Cab Guarding for Special Uses 44
Safety—Operating Precautions 45
Use Steps and Handholds Correctly 45
Start Only From Operator’s Seat 45
Use and Maintain Seat Belt 45
Prevent Unintended Machine Movement 46
Avoid Work Site Hazards 47
Avoid Power Lines 48
Use Special Care When Operating Loader 48
Keep Riders Off Machine 49
Avoid Backover Accidents 49
Avoid Machine Tip Over and Machine Damage 50
Operating on Slopes 50
Operating or Traveling On Public Roads 51
Inspect and Maintain ROPS 51
Travel Safely 51
Prevent Acid Burns 52
Add and Operate Attachments Safely 52
Safety—Maintenance Precautions 53
Park and Prepare for Service Safely 53
Service Machines Safely 53
Clean Exhaust Filter Safely 54
Service Cooling System Safely 55
Service Tires Safely 55
Use Proper Lifting Equipment 56
Remove Paint Before Welding or Heating 56
Make Welding Repairs Safely 56
Drive Metal Pins Safely 57
Safety—Safety Signs and Other Instructions 58
Safety Signs and Other Instructions 58
Operation—Operator’s Station 65
Levers—Two Function Hydraulic Control 65
Levers—Three Function Hydraulic Control 66
Levers—Four Function Hydraulic Control 68
Levers—Joystick Steering Control 68
Pedals 69
Sealed Switch Module (SSM) 70
Switch Module Functions 71
Advanced Display Unit (ADU) 74
Display Unit Functions 75
Horn Button 80
Turn Signals 80
Joystick Steering Armrest Adjustment— if Equipped 81
Air Conditioner and Heater Operation 82
Counter Switch 83
Radio—If Equipped 84
Opening and Securing Side Door 88
Opening Side Window/Secondary Exit 89
Opening Rear Side Window 89
Seat Adjustment 90
Fire Extinguisher Mounting Location 91
Operation—Operating the Machine 92
Before Starting Work 92
Inspect Machine Daily Before Starting 92
Check Instruments Before Starting 92
Security System 93
Battery Disconnect Switch 93
Engine Break-In Period 94
Starting the Engine 95
Cold Start Aid—Engine Block Heater—If Equipped 97
Starting Fluid (Cold Weather Starting Aid)—If Equipped 97
Warmup 98
Cold Weather Warmup 98
Required Machine Stop Warning 98
Park Brake Switch 100
Shifting the Transmission 101
Automatic Idle, Automatic Shutdown, and Standby Idle 103
Joystick Bucket and Boom Control 104
Two Lever Bucket and Boom Control 105
Auxiliary Control 106
Ride Control—If Equipped 107
Secondary Steering—If Equipped 109
Differential Lock Operation 109
Service ADVISOR™ Remote (SAR) Software Delivery Process 110
Exhaust Filter 111
Selective Catalytic Reduction (SCR) System Overview 113
Qualified Emergency Use — SCR Override Option 115
Restored Operation Option 116
Rear Camera and Radar Object Detection (ROD) System—If Equipped 117
Counter Switch Operation 119
Embedded Payload Scale—If Equipped 120
Boom Height Kickout Adjustment 124
Return-to-Carry Kickout Adjustment 124
Return-to-Dig Adjustment for Z-Bar Linkage 125
Return-to-Dig Adjustment for Powerllel™ Linkage—If Equipped 127
Operating Loader Coupler—If Equipped 128
Using the Loader Bucket 129
Backdragging 130
Fork Attachment 131
Operating in Water and Mud 132
Parking the Machine 133
Stopping the Engine 134
Loading Machine on a Trailer 135
Towing Procedure 137
Lifting the Machine 139
Joystick Steering Control—If Equipped 140
Operation—Monitor Operation 142
Aftertreatment Indicators Overview 142
Display Unit—Normal Display 143
Display Unit—Main Menu 144
Display Unit—Main Menu—Codes 145
Display Unit—Main Menu—Codes—Active Codes 145
Display Unit—Main Menu—Codes—Stored Codes 146
Display Unit—Main Menu—Settings 147
Display Unit—Main Menu—Settings—Reverse Fan Cycle 148
Display Unit—Main Menu—Settings—Courtesy Lights 148
Display Unit—Main Menu—Settings—Quick Shift 149
Display Unit—Main Menu—Settings—Job Timer 149
Display Unit—Main Menu—Settings—Stopwatch 150
Display Unit—Main Menu—Settings—Ride Control—If Equipped 150
Display Unit—Main Menu—Settings—Counters 150
Display Unit—Main Menu—Settings—Camera Mode 151
Display Unit—Main Menu—Settings—Operator Configuration 151
Display Unit—Main Menu—Settings—Clutch Cutoff 152
Display Unit—Main Menu—Diagnostics 153
Display Unit—Main Menu—Diagnostics—Machine ID 154
Display Unit—Main Menu—Diagnostics—Battery Monitor 154
Display Unit—Main Menu—Diagnostics—Engine Sensors 155
Display Unit—Main Menu—Diagnostics—Transmission/Axle 155
Display Unit—Main Menu—Diagnostics—Hydraulic Sensors 156
Display Unit—Main Menu—Diagnostics—Machine Sensors 156
Display Unit—Main Menu—Diagnostics—FNR Selector 157
Display Unit—Main Menu—Diagnostics—Cab Switches 157
Display Unit—Main Menu—Diagnostics—Switch Module 157
Display Unit—Main Menu—Diagnostics—Joystick Steering—If Equipped 158
Display Unit—Main Menu—Diagnostics—Tire Pressure—If Equipped 159
Display Unit—Main Menu—Diagnostics—Object Detect—If Equipped 160
Display Unit—Main Menu—Diagnostics—Auto Diff Lock—If Equipped 160
Display Unit—Main Menu—Diagnostics—Payload Scale—If Equipped 161
Display Unit—Main Menu—Diagnostics—JDLink™ System Info 161
Display Unit—Main Menu—Diagnostics—Park Brake Test 162
Display Unit—Main Menu—Payload Scale—If Equipped 163
Display Unit—Main Menu—Payload Scale—Long Total 163
Display Unit—Main Menu—Payload Scale—Display Units 164
Display Unit—Main Menu—Payload Scale—Auto Add 164
Display Unit—Main Menu—Payload Scale—Diagnostics 164
Display Unit—Main Menu—Payload Scale—Setup 164
Display Unit—Main Menu—Security 165
Display Unit—Main Menu—Security—Security 166
Display Unit—Main Menu—Security—Change Owner PIN 166
Display Unit—Main Menu—Security—Manage Operator PINs 167
Display Unit—Main Menu—Security—Manage Transport PIN 168
Display Unit—Main Menu—Security—Delayed Operator Logout 169
Display Unit—Main Menu—Exhaust Filter 170
Display Unit—Main Menu—Exhaust Filter—Auto Cleaning 171
Display Unit—Main Menu—Exhaust Filter—Parked Cleaning 172
Display Unit—Main Menu—Exhaust Filter—Emergency Override 173
Display Unit—Main Menu—Software Delivery 174
Display Unit—Main Menu—Software Delivery—Software Update 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
Minimizing the Effect of Cold Weather on Diesel Engines 180
Alternative and Synthetic Lubricants 181
Lubricant Storage 181
Mixing of Lubricants 181
Diesel Engine Oil — Interim Tier 4, Final Tier 4, Stage IIIB, Stage IV, and Stage V 182
John Deere Break-In Plus™ Engine Oil — Interim Tier 4, Final Tier 4, Stage IIIB, Stage IV, and Stage V 183
Engine Oil and Filter Service Intervals — Interim Tier 4, Final Tier 4, Stage IIIB, Stage IV, and Stage V Engines 184
Diesel Engine Oil Service Interval for Operation at High Altitude 184
Oil Filters 185
Diesel Exhaust Fluid (DEF) — Use in Selective Catalytic Reduction (SCR) Equipped Engines 185
Refilling Diesel Exhaust Fluid (DEF) Tank 186
Testing Diesel Exhaust Fluid (DEF) 187
Storing Diesel Exhaust Fluid (DEF) 187
Disposal of Diesel Exhaust Fluid (DEF) 188
Transmission, Park Brake, and Axle Oil 188
Hydraulic Oil 189
Grease 190
Diesel Engine Coolant (engine with wet sleeve cylinder liners) 191
Water Quality for Mixing with Coolant Concentrate 192
Operating in Warm Temperature Climates 192
Testing Coolant Freeze Point 193
Disposing of Coolant 193
Maintenance—Periodic Maintenance 194
Service Machine at Specified Intervals 194
Check Hour Meter Regularly 194
Prepare Machine for Maintenance 195
Frame Locking Bar 196
Boom Lock 197
Pin Removal—If Equipped With Powerllel™ Linkage 198
Engine Service Doors and Side Shields 199
Cooling System Doors 200
Fuel Tank 201
Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit 201
Service Intervals 202
Required Parts 204
Maintenance—As Required 206
Check Window Washer Fluid Level 206
Inspect Tires and Check Pressure 207
Tire Pressures 208
Check Wheel Bolt Torque 211
Inspect Engine Air Cleaner Elements 212
Inspect Air Conditioner Compressor and Alternator Belt 213
Clean Cooler Cores 214
Check Rear Camera and Radar Object Detection (ROD) System—If Equipped 215
Drain Water From Primary Fuel Filter With Water Separator 216
Service Exhaust Filter 217
Drain, Flush, and Refill Fuel Tank 218
Clean Fuel Sending Unit Pickup Screen 218
Check and Clean or Replace Cab Fresh Air Filter 219
Check and Clean or Replace Cab Recirculating Air Filter 220
Maintenance—Every 10 Hours or Daily 221
Clean Air Cleaner Dust Unloader Valve 221
Check Coolant Level at Surge Tank 221
Check Engine Oil Level 222
Check Hydraulic System Oil Level 222
Check Transmission Oil Level 223
Inspect Outer Pin Seals—If Equipped 224
Maintenance—Initial Service—100 Hours 225
Replace Axle Oil Filters 225
Maintenance—Every 100 Hours 226
Lubricate Loader Linkage and Cylinder Pivots—Z-Bar Linkage 226
Lubricate Loader Linkage and Cylinder Pivots—Powerllel™ Linkage 227
Maintenance—Every 250 Hours 228
Take Engine Oil Sample 228
Maintenance—Every 500 Hours 229
Lubricate Driveline Upper and Lower Sliding Joints and Lower U-Joints 229
Check Front and Rear Axle Oil Level 230
Lubricate Front and Rear Axle Shaft Seals 230
Check Battery Electrolyte Level and Terminals 231
Check Air Intake Hoses and Charge Air Cooler Tube Couplings 233
Take Fluid Samples 233
Replace Fast Fill Fuel Breather Filter—If Equipped 234
Drain and Refill Engine Oil and Replace Filter 234
Replace Primary Fuel Filter 235
Replace Final Fuel Filter 236
Replace Hydraulic Reservoir Breather Filter 237
Check Park Brake Oil Level 238
Lubricate Front and Rear Shaft Seals on Park Brake 238
Check Ride Control Accumulator—If Equipped 239
Maintenance—Every 1000 Hours 240
Clean Hydraulic Fan Drive Case Drain In-Line Screen 240
Replace Air Cleaner Dust Unloader Valve 241
Replace Engine Air Cleaner Elements 242
Replace Fuel Tank Breather Filter 243
Check Coolant Condition 243
Replace Axle Oil Filters 244
Lubricate Frame Hinge Pivots 244
Drain and Refill Park Brake Oil 245
Maintenance—Every 2000 Hours 246
Drain and Refill Transmission Oil and Replace Filter 246
Drain and Refill Front and Rear Axle Oil 248
Clean Front and Rear Axle Oil Recirculation Screens—If Equipped 249
Access Diesel Exhaust Fluid (DEF) Dosing Unit Filter 249
Replace Diesel Exhaust Fluid (DEF) Dosing Unit Filter 250
Replace Diesel Exhaust Fluid (DEF) Header Suction Screen and Baffle (S N —675480) 250
Clean Diesel Exhaust Fluid (DEF) Tank (S N —675480) 250
Drain and Refill Transmission Oil and Replace Filter (Quick Service)—If Equipped 251
Check and Adjust Engine Valve Lash 252
Replace Outer Pin Seals—If Equipped 252
Rerun Transmission Clutch Calibration 252
Maintenance—Every 4000 Hours 253
Replace Diesel Exhaust Fluid (DEF) Tank Breather Filter 253
Replace Diesel Exhaust Fluid (DEF) Header Suction Filter and Baffle (S N 675481— ) 253
Clean Diesel Exhaust Fluid (DEF) Tank (S N 675481— ) 253
Clean Hydraulic Pump Case Drain In-Line Screen 254
Replace Hydraulic System Return Filter 256
Drain and Refill Hydraulic System Oil (Quick Service)—If Equipped 257
Drain, Flush, and Refill Hydraulic System Oil 259
Clean Hydraulic System Fill Strainer 261
Maintenance—Every 5000 Hours 262
Check Driveline Damper For Cracks 262
Maintenance—Every 6000 Hours 263
Drain Cooling System 263
Refill Cooling System 264
Drain and Refill Cooling System (Quick Service)—If Equipped 265
Miscellaneous—Machine 266
Tire Removal With Tire Pressure Monitor (TPM) System—If Equipped 266
Check Air Inlet Cover 266
Bleed Fuel System 267
Do Not Service Control Valves, Cylinders, Pumps, or Motors 267
Precautions for Alternator and Regulator 267
Handling, Checking, and Servicing Batteries Carefully 268
Using Booster Batteries—24-Volt System 269
Using Battery Charger 270
Replacement Batteries 271
Remove and Install Batteries 272
12-Volt Auxiliary Power Outlet—If Equipped 273
JDLink™ Machine Monitoring System (MMS)—If Equipped 273
Replace Coolant In-Line Filter 274
Replacing Fuses 275
Remove and Install Halogen Bulbs 277
Fluid Sampling Test Ports—If Equipped 278
Air Conditioning System Service 281
External Service Brake Inspection 282
Service Recommendations For Snap-To-Connect (STC®) Fittings 283
Welding on Machine 284
Welding Near Electronic Control Units 284
Keep Electronic Control Unit Connectors Clean 284
Replacing Bucket Teeth—TK Series 285
Keep ROPS Installed Properly 285
Bleeding Brakes 286
Hardware Torque Specifications 287
Metric Bolt and Screw Torque Values 288
Unified Inch Bolt and Screw Torque Values 289
Miscellaneous—Operational Checkout 290
Operational Checkout 290
Diagnostic Trouble Code Check 290
Operational Checks—Ignition OFF, Engine OFF Checks 290
Operational Checks—Ignition ON, Engine OFF Checks 291
Operational Checks—Ignition ON, Engine ON Checks 298
Miscellaneous—Troubleshooting 321
Troubleshooting Procedure 321
Engine 322
Transmission 326
Differential and Axle 329
Service Brake 331
Driveline 331
Park Brake 332
Hydraulic System 333
Steering 335
Air Conditioning System 336
Heater System 338
Software Update 338
Miscellaneous—Storage 339
Prepare Machine for Storage 339
Monthly Storage Procedure 340
Preparing Engine for Long-Term Storage 341
Removing Engine From Long-Term Storage 342
Miscellaneous—Machine Numbers 343
Record Product Identification Number (PIN) 343
Record Engine Serial Number 343
Record Transmission Serial Number 343
Record Hydraulic Pump Serial Number 344
Record Front and Rear Axle Housing Serial Numbers 344
Keep Proof of Ownership 344
Keep Machines Secure 345
Miscellaneous—Specifications 346
Engine Specifications 346
Drain and Refill Capacities 346
Standard Z-Bar Specifications 347
High Lift Z-Bar Specifications 349
Powerllel™ Specifications 351
Travel Speeds 352
Eurasian Economic Union 353
Machine Design Life 353
Page Number 27
Section 1-1 33
Section 1-2 34
Section 1-3 45
Section 1-4 53
Section 1-5 58
Section 2-1 65
Section 2-2 92
Section 2-3 142
Section 3-1 176
Section 3-2 194
Section 3-3 206
Section 3-4 221
Section 3-5 225
Section 3-6 226
Section 3-7 228
Section 3-8 229
Section 3-9 240
Section 3-10 246
Section 3-11 253
Section 3-12 262
Section 3-13 263
Section 4-1 266
Section 4-2 290
Section 4-3 321
Section 4-4 339
Section 4-5 343
Section 4-6 346

S.V 04/24