John Deere 644K 4WD Loader Operator’s Manual OMT344174 – PDF DOWNLOAD

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John Deere 644K 4WD Loader Operator’s Manual OMT344174 – PDF DOWNLOAD

FILE DETAILS:

John Deere 644K 4WD Loader Operator’s Manual OMT344174 – PDF DOWNLOAD

P/N: OMT344174_22
Language: English
Division: Construction
Product Lines: Loaders
Publication Type: Operator’s Manuals
Associated Models: 644K
Series: 0
Serial:
1DW644K_ _ _D658218—
1DW644K_ _ _C658218—
For complete service information also see: PC11253, T346499

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere 644K 4WD Loader Operator’s Manual OMT344174 – PDF DOWNLOAD

Contents 25
Safety—Safety and Operator Conveniences 31
Safety and Operator Convenience Features 31
Safety—General Precautions 32
Information for European Union Directives and Eurasian Economic Union Technical Regulations Compliance 32
Recognize Safety Information 33
Follow Safety Instructions 34
Operate Only If Qualified 34
Wear Protective Equipment 34
Avoid Unauthorized Machine Modifications 35
Inspect Machine 35
Stay Clear of Moving Parts 35
Avoid High-Pressure Fluids 35
Avoid High-Pressure Oils 36
Work In Ventilated Area 36
Prevent Fires 37
Avoid Static Electricity Risk When Refueling 37
High Debris Applications 38
Clean Debris from Machine 38
Prevent Battery Explosions 38
Handle Chemical Products Safely 39
Handle Starting Fluid Safely 39
Decommissioning — Proper Recycling and Disposal of Fluids and Components 40
Prepare for Emergencies 40
In Case of Machine Fire 41
Add Cab Guarding for Special Uses 41
Do Not Use Starting Fluid 41
Safety—Operating Precautions 42
Use Steps and Handholds Correctly 42
Start Only From Operator’s Seat 42
Use and Maintain Seat Belt 42
Prevent Unintended Machine Movement 43
Avoid Work Site Hazards 44
Avoid Power Lines 45
Use Special Care When Operating Loader 45
Keep Riders Off Machine 46
Avoid Backover Accidents 46
Avoid Machine Tip Over and Machine Damage 47
Operating on Slopes 47
Operating or Traveling On Public Roads 48
Inspect and Maintain ROPS 48
Travel Safely 48
Prevent Acid Burns 49
Add and Operate Attachments Safely 49
Safety—Maintenance Precautions 50
Park and Prepare for Service Safely 50
Service Machines Safely 50
Service Cooling System Safely 51
Service Tires Safely 51
Remove Paint Before Welding or Heating 52
Make Welding Repairs Safely 52
Drive Metal Pins Safely 52
Use Proper Lifting Equipment 53
Safety—Safety Signs and Other Instructions 54
Safety Signs and Other Instructions 54
Operation—Operator’s Station 61
Levers—Two Function Hydraulic Control 61
Levers—Three Function Hydraulic Control 62
Levers—Four Function Hydraulic Control 64
Levers—Joystick Steering Control 64
Pedals 65
Sealed Switch Module (SSM) 66
Switch Module Functions 67
Advanced Display Unit (ADU) 70
Display Unit Functions 71
Horn Button 75
Turn Signals 75
Joystick Steering Armrest Adjustment— if Equipped 76
Air Conditioner and Heater Operation 77
Counter Switch 78
Radio—If Equipped 79
Opening and Securing Side Door 83
Opening Side Window/Secondary Exit 84
Opening Rear Side Window 84
Seat Adjustment 85
Fire Extinguisher Mounting Location 86
Operation—Operating the Machine 87
Before Starting Work 87
Inspect Machine Daily Before Starting 87
Check Instruments Before Starting 87
Security System 88
Battery Disconnect Switch 88
Engine Break-In Period 89
Starting the Engine 90
Cold Start Aid—Glow Plug 93
Cold Start Aid—Block Heater—If Equipped 93
Warmup 93
Cold Weather Warmup 94
Park Brake Switch 95
Shifting the Transmission 96
Automatic Idle and Automatic Shutdown 98
Joystick Bucket and Boom Control 99
Two Lever Bucket and Boom Control 100
Auxiliary Control 101
Joystick Steering Control—If Equipped 102
Ride Control—If Equipped 104
Secondary Steering—If Equipped 106
Differential Lock Operation 106
Service ADVISOR™ Remote (SAR) Software Delivery Process 107
Rear Camera and Radar Object Detection (ROD) System—If Equipped 108
Counter Switch Operation 110
Embedded Payload Scale—If Equipped 111
Boom Height Kickout Adjustment 115
Return-to-Carry Kickout Adjustment 115
Return-to-Dig Adjustment for Z-Bar Linkage 116
Return-to-Dig Adjustment for Powerllel™ Linkage—If Equipped 118
Operating Loader Coupler—If Equipped 119
Using the Loader Bucket 120
Backdragging 121
Fork Attachment 122
Operating in Water and Mud 123
Parking the Machine 124
Loading Machine on a Trailer 125
Towing Procedure 127
Lifting the Machine 129
Operation—Monitor Operation 130
Display Unit—Normal Display 130
Display Unit—Main Menu 131
Display Unit—Main Menu—Codes 132
Display Unit—Main Menu—Codes—Active Codes 132
Display Unit—Main Menu—Codes—Stored Codes 133
Display Unit—Main Menu—Settings 134
Display Unit—Main Menu—Settings—Reverse Fan Cycle 135
Display Unit—Main Menu—Settings—Courtesy Lights 135
Display Unit—Main Menu—Settings—Quick Shift 136
Display Unit—Main Menu—Settings—Job Timer 136
Display Unit—Main Menu—Settings—Stopwatch 137
Display Unit—Main Menu—Settings—Ride Control—If Equipped 137
Display Unit—Main Menu—Settings—Counters 137
Display Unit—Main Menu—Settings—Camera Mode 138
Display Unit—Main Menu—Settings—Operator Configuration 138
Display Unit—Main Menu—Settings—Clutch Cutoff 139
Display Unit—Main Menu—Diagnostics 140
Display Unit—Main Menu—Diagnostics—Machine ID 141
Display Unit—Main Menu—Diagnostics—Battery Monitor 141
Display Unit—Main Menu—Diagnostics—Engine Sensors 142
Display Unit—Main Menu—Diagnostics—Transmission/Axle 142
Display Unit—Main Menu—Diagnostics—Hydraulic Sensors 143
Display Unit—Main Menu—Diagnostics—Machine Sensors 143
Display Unit—Main Menu—Diagnostics—FNR Selector 144
Display Unit—Main Menu—Diagnostics—Cab Switches 144
Display Unit—Main Menu—Diagnostics—Switch Module 144
Display Unit—Main Menu—Diagnostics—Joystick Steering—If Equipped 145
Display Unit—Main Menu—Diagnostics—Tire Pressure—If Equipped 146
Display Unit—Main Menu—Diagnostics—Object Detect—If Equipped 147
Display Unit—Main Menu—Diagnostics—Auto Diff Lock—If Equipped 147
Display Unit—Main Menu—Diagnostics—Payload Scale—If Equipped 148
Display Unit—Main Menu—Diagnostics—JDLink™ System Info 148
Display Unit—Main Menu—Diagnostics—Park Brake Test 149
Display Unit—Main Menu—Payload Scale—If Equipped 150
Display Unit—Main Menu—Payload Scale—Long Total 150
Display Unit—Main Menu—Payload Scale—Display Units 151
Display Unit—Main Menu—Payload Scale—Auto Add 151
Display Unit—Main Menu—Payload Scale—Diagnostics 151
Display Unit—Main Menu—Payload Scale—Setup 151
Display Unit—Main Menu—Monitor Settings 152
Display Unit—Main Menu—Security 153
Display Unit—Main Menu—Security—Security 154
Display Unit—Main Menu—Security—Change Owner PIN 154
Display Unit—Main Menu—Security—Manage Operator PINs 155
Display Unit—Main Menu—Security—Manage Transport PIN 156
Display Unit—Main Menu—Security—Delayed Operator Logout 157
Display Unit—Main Menu—Software Delivery 157
Display Unit—Main Menu—Software Delivery—Software Update 158
Maintenance—Machine 159
Required Emission-Related Information 159
Diesel Fuel 159
Lubricity of Diesel Fuel 160
Handling and Storing Diesel Fuel 160
Biodiesel Fuel 161
Testing Diesel Fuel 162
Minimizing the Effect of Cold Weather on Diesel Engines 163
Alternative and Synthetic Lubricants 164
Lubricant Storage 164
Mixing of Lubricants 164
Diesel Engine Break-In™ Oil— Non-Emissions Certified and Certified Tier 1, Tier 2, Tier 3, Stage I, Stage II, and Stage III 165
Diesel Engine Oil—Tier 3 and Stage III A Engines 166
Engine Oil and Filter Service Intervals — Tier 3 and Stage IIIA Engines 167
Diesel Engine Oil—Tier 2 and Stage II Engines 168
Engine Oil and Filter Service Intervals — Tier 2 and Stage II Engines 169
Oil Filters 169
Transmission, Park Brake, and Axle Oil 170
Hydraulic Oil 171
Grease with Molybdenum Disulfide 172
Diesel Engine Coolant (engine with wet sleeve cylinder liners) 173
Drain Intervals for Diesel Engine Coolant 174
John Deere COOL-GARD™ II Coolant Extender 174
Supplemental Coolant Additives 175
Operating in Warm Temperature Climates 175
Additional Information About Diesel Engine Coolants and John Deere COOL-GARD™ II Coolant Extender 176
Testing Diesel Engine Coolant 177
Disposing of Coolant 177
Maintenance—Periodic Maintenance 178
Engine Identification 178
Service Machine at Specified Intervals 180
Check Hour Meter Regularly 180
Prepare Machine for Maintenance 181
Frame Locking Bar 182
Boom Lock 183
Pin Removal—If Equipped With Powerllel™ Linkage 184
Engine Service Doors and Side Shields 185
Cooling System Doors 186
Fuel Tank 187
Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit 187
Service Intervals 188
Required Parts 190
Maintenance—As Required 192
Inspect Tires and Check Pressure 192
Tire Pressures 193
Check Wheel Bolt Torque 195
Inspect Engine Air Cleaner Elements 196
Inspect Air Conditioner Compressor and Alternator Belt 198
Clean Cooler Cores 199
Check Window Washer Fluid Level 200
Drain Water From Primary Fuel Filter With Water Separator 201
Drain Water From Final Fuel Filter 201
Drain Water From Auxiliary Fuel Filter With Water Separator—If Equipped 202
Check and Clean or Replace Cab Fresh Air Filter 202
Check and Clean or Replace Cab Recirculating Air Filter 203
Check Rear Camera and Radar Object Detection (ROD) System—If Equipped 204
Maintenance—Every 10 Hours or Daily 206
Clean Air Cleaner Dust Unloader Valve 206
Check Coolant Level at Surge Tank 207
Check Engine Oil Level 208
Check Hydraulic System Oil Level 208
Check Transmission Oil Level 209
Inspect Outer Pin Seals—If Equipped 210
Maintenance—Initial Service—100 Hours 211
Replace Axle Oil Filters 211
Maintenance—Every 100 Hours 212
Lubricate Loader Linkage and Cylinder Pivots—Z-Bar Linkage 212
Lubricate Loader Linkage and Cylinder Pivots—Powerllel™ Linkage 213
Maintenance—Every 250 Hours 214
Take Engine Oil Sample 214
Maintenance—Every 500 Hours 215
Lubricate Driveline Upper and Lower Sliding Joints and Lower U-Joints 215
Check Front and Rear Axle Oil Level 216
Lubricate Front and Rear Axle Shaft Seals 216
Check Battery Electrolyte Level and Terminals 217
Check Air Intake Hoses and Charge Air Cooler Tube Couplings 219
Replace Fast Fill Fuel Breather Filter—If Equipped 219
Drain and Refill Engine Oil and Replace Filter 220
Drain and Refill Engine Oil and Replace Filter (Quick Service)—If Equipped 221
Replace Primary Fuel Filter 222
Replace Final Fuel Filter 223
Replace Auxiliary Fuel Filter—If Equipped 224
Replace In-Line Fuel Strainer 224
Replace Hydraulic Reservoir Breather Filter 225
Check Park Brake Oil Level 225
Lubricate Front and Rear Shaft Seals on Park Brake 225
Take Fluid Samples 226
Check Ride Control Accumulator—If Equipped 226
Maintenance—Every 1000 Hours 227
Clean Engine Crankcase Vent Tube 227
Replace Air Cleaner Dust Unloader Valve 228
Replace Engine Air Cleaner Elements 229
Check Coolant Condition 231
Replace Axle Oil Filters 231
Lubricate Frame Hinge Pivots 232
Drain and Refill Park Brake Oil 232
Maintenance—Every 2000 Hours 233
Replace Outer Pin Seals—If Equipped 233
Drain and Refill Transmission Oil and Replace Filter 234
Drain and Refill Transmission Oil and Replace Filter (Quick Service)—If Equipped 236
Drain and Refill Front and Rear Axle Oil 238
Clean Front and Rear Axle Oil Recirculation Screens—If Equipped 239
Check and Adjust Engine Valve Lash 239
Rerun Transmission Clutch Calibration 239
Maintenance—Every 4000 Hours 240
Replace Crankshaft Damper 240
Clean Hydraulic Pump Case Drain In-Line Screen 240
Replace Hydraulic System Return Filter 242
Drain, Flush, and Refill Hydraulic System Oil 243
Drain and Refill Hydraulic System Oil (Quick Service)—If Equipped 245
Clean Hydraulic System Fill Strainer 246
Maintenance—Every 5000 Hours 247
Check Driveline Damper For Cracks 247
Maintenance—Every 6000 Hours 248
Drain Cooling System 248
Refill Cooling System 249
Drain and Refill Cooling System (Quick Service)—If Equipped 250
Miscellaneous—Machine 252
Tire Removal With Tire Pressure Monitor (TPM) System—If Equipped 252
Check Air Inlet Cover 252
Inspect Fuel Tank Vent Hose and Breather Filter 253
Bleed Fuel System 253
Do Not Service Control Valves, Cylinders, Pumps, or Motors 253
Precautions for Alternator and Regulator 254
Handling, Checking, and Servicing Batteries Carefully 255
Using Booster Batteries—24-Volt System 256
Using Battery Charger 257
Replacement Batteries 258
Remove and Install Batteries 259
12-Volt Auxiliary Power Outlet—If Equipped 260
JDLink™ Machine Monitoring System (MMS)—If Equipped 260
Replacing Fuses 261
Remove and Install Halogen Bulbs 263
Fluid Sampling Test Ports—If Equipped 264
Air Conditioner System Service 265
External Service Brake Inspection 266
Bleeding Brakes 267
Service Recommendations For Snap-To-Connect (STC®) Fittings 268
Welding on Machine 269
Welding Near Electronic Control Units 269
Keep Electronic Control Unit Connectors Clean 269
Replacing Bucket Teeth—TK Series 270
Keep ROPS Installed Properly 270
Hardware Torque Specifications 270
Unified Inch Bolt and Screw Torque Values 271
Metric Bolt and Screw Torque Values 272
Miscellaneous—Operational Checkout 273
Operational Checkout 273
Diagnostic Trouble Code Check 273
Operational Checks—Ignition OFF, Engine OFF Checks 273
Operational Checks—Ignition ON, Engine OFF Checks 273
Operational Checks—Ignition ON, Engine ON Checks 280
Miscellaneous—Troubleshooting 303
Troubleshooting Procedure 303
Engine 304
Transmission 307
Differential and Axle 310
Service Brake 312
Driveline 312
Park Brake 313
Hydraulic System 314
Steering 316
Air Conditioning System 317
Heater System 319
Software Update 319
Miscellaneous—Storage 320
Prepare Machine for Storage 320
Monthly Storage Procedure 321
Miscellaneous—Machine Numbers 322
Record Product Identification Number (PIN) 322
Record Engine Serial Number 323
Record Transmission Serial Number 323
Record Hydraulic Pump Serial Number 324
Record Front and Rear Axle Housing Serial Numbers 324
Keep Proof of Ownership 324
Keep Machines Secure 325
Miscellaneous—Specifications 326
Engine Specifications 326
Drain and Refill Capacities 327
Standard Z-Bar Specifications 328
High Lift Z-Bar Specifications 330
Powerllel™ Specifications 332
Travel Speeds 333
Eurasian Economic Union 334
Machine Design Life 334
Page Number 25
Section 1-1 31
Section 1-2 32
Section 1-3 42
Section 1-4 50
Section 1-5 54
Section 2-1 61
Section 2-2 87
Section 2-3 130
Section 3-1 159
Section 3-2 178
Section 3-3 192
Section 3-4 206
Section 3-5 211
Section 3-6 212
Section 3-7 214
Section 3-8 215
Section 3-9 227
Section 3-10 233
Section 3-11 240
Section 3-12 247
Section 3-13 248
Section 4-1 252
Section 4-2 273
Section 4-3 303
Section 4-4 320
Section 4-5 322
Section 4-6 326

S.V 04/24