John Deere 644K 4WD Loader Operator’s Manual OMT260553 – PDF DOWNLOAD
$28.95
John Deere 644K 4WD Loader Operator’s Manual OMT260553 – PDF DOWNLOAD
Description
John Deere 644K 4WD Loader Operator’s Manual OMT260553 – PDF DOWNLOAD
- Product Number (P/N): OMT260553_24
- Language: English
- Division: Construction
- Series: 0
- Product Lines: Loaders
- Publication Type: Operator’s Manuals
- Associated Models: 644K
- Serial: 1DW644K___E634315—658064

TABLE OF CONTENTS:
John Deere 644K 4WD Loader Operator’s Manual OMT260553 – PDF DOWNLOAD
644K 4WD Loader 1
Introduction 2
Foreword 2
Manual Identification—READ THIS FIRST! 2
IMPORTANT 4
EPA Non-road Emissions Control Warranty Statement—Compression Ignition 5
CARB Non-road Emissions Control Warranty Statement—Compression Ignition 7
Required Emission-Related Information 13
FCC Notifications to User 13
Service ADVISOR™ Remote (SAR)—SOFTWARE TERMS AND CONDITIONS 14
Technical Information Feedback Form 18
Contents 19
Safety—Safety and Operator Conveniences 23
Safety and Operator Convenience Features 23
Safety—General Precautions 24
Recognize Safety Information 24
Follow Safety Instructions 24
Operate Only If Qualified 24
Wear Protective Equipment 25
Avoid Unauthorized Machine Modifications 25
Inspect Machine 25
Stay Clear of Moving Parts 25
Avoid High-Pressure Fluids 26
Avoid High-Pressure Oils 26
Work In Ventilated Area 27
Prevent Fires, Clean Debris From Machine 27
Clean Debris from Machine 28
Prevent Battery Explosions 28
Handle Chemical Products Safely 28
Decommissioning — Proper Recycling and Disposal of Fluids and Components 29
Exhaust Filter Ash Handling and Disposal 29
Prepare for Emergencies 30
Add Cab Guarding for Special Uses 30
Safety—Operating Precautions 31
Use Steps and Handholds Correctly 31
Start Only From Operator’s Seat 31
Use and Maintain Seat Belt 31
Prevent Unintended Machine Movement 32
Avoid Work Site Hazards 33
Use Special Care When Operating Loader 34
Keep Riders Off Machine 34
Avoid Backover Accidents 34
Avoid Machine Tip Over and Machine Damage 35
Operating on Slopes 35
Operating or Traveling On Public Roads 36
Inspect and Maintain ROPS 36
Add and Operate Attachments Safely 36
Safety—Maintenance Precautions 37
Park and Prepare for Service Safely 37
Clean Exhaust Filter Safely 38
Service Cooling System Safely 39
Service Tires Safely 39
Remove Paint Before Welding or Heating 40
Make Welding Repairs Safely 40
Drive Metal Pins Safely 40
Safety—Safety Signs 41
Safety Signs 41
Operation—Operator’s Station 43
Levers—Two Function Hydraulic Control 43
Levers—Three Function Hydraulic Control 44
Levers—Four Function Hydraulic Control 45
Levers—Joystick Steering Control 46
Pedals 47
Sealed Switch Module (SSM) 48
Switch Module Functions 49
Advanced Display Unit (ADU) 52
Display Unit Functions 53
Display Unit—Normal Display 58
Display Unit—Main Menu 59
Display Unit—Main Menu—Codes 60
Display Unit—Main Menu—Codes—Active Codes 60
Display Unit—Main Menu—Codes—Stored Codes 61
Display Unit—Main Menu—Settings 62
Display Unit—Main Menu—Settings—Reverse Fan Cycle 63
Display Unit—Main Menu—Settings—Courtesy Lights 63
Display Unit—Main Menu—Settings—Quick Shift 64
Display Unit—Main Menu—Settings—Job Timer 64
Display Unit—Main Menu—Settings—Stopwatch 65
Display Unit—Main Menu—Settings—Ride Control—If Equipped 65
Display Unit—Main Menu—Settings—Counters 65
Display Unit—Main Menu—Settings—Camera Mode 66
Display Unit—Main Menu—Settings—Operator Configuration 66
Display Unit—Main Menu—Diagnostics 67
Display Unit—Main Menu—Diagnostics—Machine ID 68
Display Unit—Main Menu—Diagnostics—Battery Monitor 68
Display Unit—Main Menu—Diagnostics—Engine Sensors 69
Display Unit—Main Menu—Diagnostics—Transmission/Axle 69
Display Unit—Main Menu—Diagnostics—Hydraulic Sensors 70
Display Unit—Main Menu—Diagnostics—Machine Sensors 70
Display Unit—Main Menu—Diagnostics—FNR Selector 71
Display Unit—Main Menu—Diagnostics—Cab Switches 71
Display Unit—Main Menu—Diagnostics—Switch Module 71
Display Unit—Main Menu—Diagnostics—Joystick Steering—If Equipped 72
Display Unit—Main Menu—Diagnostics—Tire Pressure—If Equipped 73
Display Unit—Main Menu—Diagnostics—Object Detect—If Equipped 73
Display Unit—Main Menu—Diagnostics—Auto Diff Lock—If Equipped 74
Display Unit—Main Menu—Diagnostics—Payload Scale—If Equipped 74
Display Unit—Main Menu—Diagnostics—JDLink™ System Info 75
Display Unit—Main Menu—Diagnostics—Park Brake Test 75
Display Unit—Main Menu—Payload Scale—If Equipped 76
Display Unit—Main Menu—Payload Scale—Long Total 76
Display Unit—Main Menu—Payload Scale—Display Units 77
Display Unit—Main Menu—Payload Scale—Auto Add 77
Display Unit—Main Menu—Payload Scale—Diagnostics 77
Display Unit—Main Menu—Payload Scale—Setup 77
Display Unit—Main Menu—Security 78
Display Unit—Main Menu—Security—Security 79
Display Unit—Main Menu—Security—Change Owner PIN 79
Display Unit—Main Menu—Security—Manage Operator PINs 80
Display Unit—Main Menu—Security—Manage Transport PIN 81
Display Unit—Main Menu—Security—Delayed Operator Logout 81
Display Unit—Main Menu—Exhaust Filter 82
Display Unit—Main Menu—Exhaust Filter—Auto Cleaning 83
Display Unit—Main Menu—Exhaust Filter—Parked Cleaning 84
Display Unit—Main Menu—Software Delivery 85
Display Unit—Main Menu—Software Delivery—Software Update 86
Horn Button 87
Turn Signals 87
Neutral Lock 88
Joystick Steering Armrest Adjustment— if Equipped 88
Air Conditioner and Heater Operation 89
Counter Switch 90
Opening and Securing Side Door 91
Opening Side Window/Secondary Exit 92
Opening Rear Side Window 92
Seat Adjustment 93
Fire Extinguisher Mounting Location 94
Operation—Operating the Machine 95
Before Starting Work 95
Inspect Machine Daily Before Starting 95
Check Instruments Before Starting 95
Security System 96
Battery Disconnect Switch 96
Engine Break-In Period 97
Starting the Engine 98
Engine Block Heater—If Equipped 100
Starting Fluid (Cold Weather Starting Aid)—If Equipped 100
Warmup 100
Cold Weather Warmup 101
Park Brake Switch 102
Shifting the Transmission 103
Automatic Idle, Automatic Shutdown, and Standby Idle 105
Joystick Bucket and Boom Control 106
Two Lever Bucket and Boom Control 107
Auxiliary Control 107
Joystick Steering Control—If Equipped 109
Ride Control—If Equipped 111
Secondary Steering—If Equipped 113
Differential Lock Operation 113
Exhaust Filter 114
Service ADVISOR™ Remote (SAR) Software Delivery Process 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
Loading Machine on a Trailer 134
Towing Procedure 136
Lifting the Machine 138
Maintenance—Machine 139
Diesel Fuel 139
Diesel Fuel Specifications 139
Lubricity of Diesel Fuel 140
Handling and Storing Diesel Fuel 140
Biodiesel Fuel 141
Testing Diesel Fuel 142
Minimizing the Effect of Cold Weather on Diesel Engines 143
Alternative and Synthetic Lubricants 144
Mixing of Lubricants 144
Lubricant Storage 144
John Deere Break-In Plus™ Engine Oil 145
Diesel Engine Oil—Interim Tier 4 and Stage III B Engines 145
Engine Oil and Filter Service Intervals — Interim Tier 4, Final Tier 4, Stage IIIB, Stage IV, and Stage V Engines 146
Transmission, Park Brake, and Axle Oil 146
Hydraulic Oil 147
Grease 148
Diesel Engine Coolant (engine with wet sleeve cylinder liners) 149
Drain Intervals for Diesel Engine Coolant 150
John Deere COOL-GARD™ II Coolant Extender 150
Supplemental Coolant Additives 150
Operating in Warm Temperature Climates 151
Additional Information About Diesel Engine Coolants and John Deere COOL-GARD™ II Coolant Extender 151
Testing Diesel Engine Coolant 152
Disposing of Coolant 152
Maintenance—Periodic Maintenance 153
Service Machine at Specified Intervals 153
Check Hour Meter Regularly 153
Prepare Machine for Maintenance 154
Frame Locking Bar 155
Boom Lock 156
Pin Removal—If Equipped With Powerllel™ Linkage 157
Engine Service Doors and Side Shields 158
Cooling System Doors 159
Fuel Tank 160
Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit 160
Service Intervals 161
Required Parts 163
Maintenance—As Required 165
Service Exhaust Filter 165
Inspect Tires and Check Pressure 165
Tire Pressures 167
Check Wheel Bolt Torque 169
Inspect Engine Air Cleaner Elements 170
Replace Fast Fill Fuel Breather—If Equipped 171
Inspect Air Conditioner Compressor and Alternator Belt 171
Check Engine Coolant 171
Clean Cooler Cores 172
Check Rear Camera and Radar Object Detection (ROD) System—If Equipped 173
Check Windshield Washer Fluid Level 174
Drain Water From Primary Fuel Filter 174
Check and Clean or Replace Cab Fresh Air Filter 175
Check and Clean or Replace Cab Recirculating Air Filter 176
Maintenance—Every 10 Hours or Daily 177
Clean Air Cleaner Dust Unloader Valve 177
Check Coolant Level in Surge Tank 177
Check Engine Oil Level 178
Check Hydraulic System Oil Level 178
Check Transmission Oil Level 179
Inspect Outer Pin Seals 180
Maintenance—Every 100 Hours 181
Lubricate Loader Linkage and Cylinder Pivots—Z-Bar Linkage 181
Lubricate Loader Linkage and Cylinder Pivots—Powerllel™ Linkage 182
Maintenance—Initial Service – 250 Hours 183
Drain and Refill Front and Rear Axle Oil 183
Replace Axle Oil Filters—If Equipped 184
Maintenance—Every 250 Hours 185
Take Engine Oil Sample 185
Maintenance—Every 500 Hours 186
Lubricate Driveline Upper and Lower Sliding Joints and Lower U-Joints 186
Check Front and Rear Axle Oil Level 187
Lubricate Front and Rear Axle Shaft Seals 188
Check Battery Water Level and Terminals 188
Check Air Intake Hoses and Charge Air Cooler Tube Couplings 191
Replace Fast Fill Fuel Breather Filter—If Equipped 191
Take Fluid Samples 192
Drain and Refill Engine Oil and Replace Filter 192
Replace In-Line Fuel Strainer 193
Replace Primary Fuel Filter 194
Replace Final Fuel Filter 195
Replace Hydraulic Reservoir Breather Filter 195
Check Park Brake Oil Level 196
Lubricate Front and Rear Shaft Seals on Park Brake 196
Check Ride Control Accumulator—If Equipped 197
Maintenance—Every 1000 Hours 198
Clean Hydraulic Fan Drive Case Drain In-Line Screen 198
Replace Air Cleaner Dust Unloader Valve 200
Replace Engine Air Cleaner Elements 200
Check Coolant 201
Replace Fuel Tank Breather Filter 201
Replace Axle Oil Filters—If Equipped 201
Lubricate Frame Hinge Pivots 202
Drain and Refill Park Brake Oil 202
Maintenance—Every 2000 Hours 203
Replace Outer Pin Seals 203
Drain and Refill Transmission Oil and Replace Filter 203
Drain and Refill Front and Rear Axle Oil 205
Clean Front and Rear Axle Oil Recirculation Screens—If Equipped 206
Check and Adjust Engine Valve Lash (Clearance) 206
Rerun Transmission Clutch Calibration 206
Maintenance—Every 4000 Hours 207
Clean Hydraulic Pump Case Drain In-Line Screen 207
Replace Hydraulic System Return Filter 209
Drain, Flush, and Refill Hydraulic System Oil 210
Clean Hydraulic System Fill Strainer 211
Maintenance—Every 5000 Hours 212
Check Driveline Damper For Cracks 212
Maintenance—Every 6000 Hours 213
Drain Cooling System 213
Refill Cooling System 214
Miscellaneous—Machine 215
Tire Removal With Tire Pressure Monitor (TPM) System—If Equipped 215
Check Air Inlet Cover 215
Bleed Fuel System 216
Do Not Service Control Valves, Cylinders, Pumps, or Motors 216
Precautions for Alternator and Regulator 216
Handling, Checking, and Servicing Batteries Carefully 217
Using Booster Batteries—24-Volt System 218
Using Battery Charger 219
Replacement Batteries 219
Remove and Install Batteries 220
12-Volt Auxiliary Power Outlet—If Equipped 221
JDLink Machine Monitoring System (MMS)—If Equipped 221
Replacing Fuses 222
Remove and Install Halogen Bulbs 224
Fluid Sampling Test Ports—If Equipped 224
Air Conditioning System Service 226
External Service Brake Inspection 227
Bleeding Brakes 228
Service Recommendations For Snap-To-Connect (STC®) Fittings 229
Welding On Machine 230
Welding Near Electronic Control Units 230
Keep Electronic Control Unit Connectors Clean 230
Replacing Bucket Teeth—TK Series 231
Keep ROPS Installed Properly 231
Hardware Torque Specifications 231
Metric Bolt and Screw Torque Values 232
Unified Inch Bolt and Screw Torque Values 233
Miscellaneous—Operational Checkout 234
Operational Checkout 234
Miscellaneous—Troubleshooting 262
Troubleshooting Procedure 262
Engine 263
Transmission 266
Differential and Axle 269
Service Brake 270
Driveline 271
Park Brake 271
Hydraulic System 272
Steering 274
Air Conditioning System 275
Heater System 277
Software Update 277
Miscellaneous—Storage 278
Prepare Machine for Storage 278
Monthly Storage Procedure 278
Miscellaneous—Machine Numbers 280
Record Product Identification Number (PIN) 280
Record Engine Serial Number 280
Record Transmission Serial Number 280
Record Hydraulic Pump Serial Number 281
Record Front and Rear Axle Housing Serial Numbers 281
Keep Proof of Ownership 281
Keep Machines Secure 282
Miscellaneous—Specifications 283
Engine Specifications 283
Drain and Refill Capacities 283
Standard Z-Bar Specifications 284
High Lift Z-Bar Specifications 286
Powerllel™ Specifications 288
Travel Speeds 289
Page Number 23
Section 1-1 23
Section 1-2 24
Section 1-3 31
Section 1-4 37
Section 1-5 41
Section 2-1 43
Section 2-2 95
Section 3-1 139
Section 3-2 153
Section 3-3 165
Section 3-4 177
Section 3-5 181
Section 3-6 183
Section 3-7 185
Section 3-8 186
Section 3-9 198
Section 3-10 203
Section 3-11 207
Section 3-12 212
Section 3-13 213
Section 4-1 215
Section 4-2 234
Section 4-3 262
Section 4-4 278
Section 4-5 280
Section 4-6 283
S.V 04/24
What Our Customers Say
🌟 Related Products
Discover more professional manuals for your equipment

John Deere 300 3179, 4239, 6359, 4276, 6414 Diesel Engine Technical Service Manual - PDF Download

John Deere Jd302 a Loader and Backhoe Loader Technical Manual - PDF Download

John Deere 700j Crawler Dozer Repair Manual - PDF DOWNLOAD
