John Deere 644J Loader Operator’s Manual – PDF DOWNLOAD

Description

John Deere 644J Loader Operator’s Manual – PDF DOWNLOAD

FILE DETAILS:

John Deere 644J Loader Operator’s Manual – PDF DOWNLOAD

P/N: OMT229851_QQ
Language: English
Division: Construction
Product Lines: Loaders
Publication Type: Operator’s Manuals
Associated Models: 644J
Series: J SERIES
Serial: 611232-

IMAGES PREVIEW OF THE MANUAL:

TABLE OF CONTENTS:

John Deere 644J Loader Operator’s Manual – PDF DOWNLOAD

Contents 5
Safety—Safety and Operator Conveniences 9
Safety and Operator Convenience Features 9
Safety—General Precautions 10
Recognize Safety Information 10
Follow Safety Instructions 10
Operate Only If Qualified 10
Wear Protective Equipment 10
Avoid Unauthorized Machine Modifications 11
Add Cab Guarding For Special Uses 11
Inspect Machine 11
Stay Clear of Moving Parts 12
Avoid High-Pressure Fluids 12
Avoid High-Pressure Oils 12
Beware of Exhaust Fumes 13
Prevent Fires 13
Prevent Battery Explosions 14
Handle Chemical Products Safely 14
Dispose of Waste Properly 14
Prepare for Emergencies 15
Safety—Operating Precautions 16
Use Steps and Handholds Correctly 16
Start Only From Operator’s Seat 16
Use and Maintain Seat Belt 16
Prevent Unintended Machine Movement 16
Avoid Work Site Hazards 16
Use Special Care When Operating Loader 17
Keep Riders Off Machine 17
Avoid Backover Accidents 18
Avoid Machine Tip Over 18
Operating on Slopes 19
Operating or Traveling On Public Roads 19
Inspect and Maintain ROPS 20
Add and Operate Attachments Safely 20
Prevent Unintended Detonation of Explosive Devices 20
Safety—Maintenance Precautions 21
Park And Prepare For Service Safely 21
Service Cooling System Safely 21
Service Tires Safely 21
Remove Paint Before Welding or Heating 22
Make Welding Repairs Safely 22
Drive Metal Pins Safely 23
Safety—Safety Signs 24
Safety Signs 24
Operation—Operator’s Station 25
Levers 25
Pedals 25
Monitor Panel (CMU) 27
Display Unit Functions 27
Switch Pad 30
Switch and Accessory Functions 30
Monitor Display Unit—Normal Display 33
Monitor Display Unit—Main Menu 34
Monitor Display Unit—Main Menu—Codes 34
Monitor Display Unit—Main Menu—Codes—Active Codes 34
Monitor Display Unit—Main Menu—Codes—Stored Codes 35
Monitor Display Unit—Main Menu—Machine Settings 36
Monitor Display Unit—Main Menu—Machine Settings—Quick Shift 36
Monitor Display Unit—Main Menu—Machine Settings—Auto to 1st 37
Monitor Display Unit—Main Menu—Machine Settings—Job Timer 37
Monitor Display Unit—Main Menu—Machine Settings—Stopwatch 38
Monitor Display Unit—Main Menu—Machine Settings—Ride Control—If 38
Monitor Display Unit—Main Menu—Diagnostics 38
Monitor Display Unit—Main Menu—Diagnostics—Battery Monitor 39
Monitor Display Unit—Main Menu—Diagnostics—Engine Sensors 39
Monitor Display Unit—Main Menu—Diagnostics—Transmission 41
Monitor Display Unit—Main Menu—Diagnostics—Hydraulic 42
Monitor Display Unit—Main Menu—Diagnostics—Machine 42
Monitor Display Unit—Main Menu—Diagnostics—Machine Switches 43
Monitor Display Unit—Main Menu—Diagnostics—Switch Module 46
Monitor Display Unit—Main Menu—Diagnostics—Machine I D 46
Monitor Display Unit—Main Menu—Diagnostics—More Diagnostics 48
Monitor Display Unit—Main Menu—Monitor Settings 48
Monitor Display Unit—Main Menu—Monitor Settings—Units 48
Monitor Display Unit—Main Menu—Monitor Settings—Backlighting 49
Monitor Display Unit—Main Menu—Monitor Settings—LCD Contrast 49
Monitor Display Unit—Main Menu—Monitor Settings—Hide Main Menu 49
Horn Button 50
Turn Signals 50
Adjusting Steering Wheel Tilt 50
Air Conditioning Controls and Heater Operation 51
Opening and Securing Side Door 52
Opening Side Window/Secondary Exit 52
Opening Rear Side Window 53
Adjusting Seat 53
Operation—Operating the Machine 55
Inspect Machine Daily Before Starting 55
Check Instruments Before Starting 55
Starting the Engine 55
Starting Fluid—If Equipped (Cold Weather Starting Aid) 57
Engine Heater—If Equipped 59
Using Coolant Heater—If Equipped 59
Warm-Up 59
Cold Weather Warm-Up 59
Neutral Lock 59
Shifting the Transmission 60
Park Brake Switch 60
Boom and Bucket Control Lever—One Lever Design 62
Boom and Bucket Control Lever—Two Lever Design 63
Quick Shift Switch 64
Ride Control—If Equipped 64
Secondary Steering—If Equipped 66
Differential Lock Switch 67
Boom Height Kickout Adjustment 67
Return-to-Carry Kickout Adjustment 67
Return-To-Dig Adjustment for Z-Bar Linkage Only 67
Return-To-Dig Adjustment— With Powerllel™ Linkage 68
Using the Loader Bucket 69
Backdragging 71
Fork Attachment 71
Arm Attachment 74
Parking the Machine 74
Loading Machine on a Trailer 75
Towing Procedure 77
Lifting the Machine 79
Maintenance—Machine 80
Diesel Fuel 80
Biodiesel Fuel 80
Low Sulfur Diesel Fuel Conditioner 81
Testing Diesel Fuel 82
Handling and Storing Diesel Fuel 82
Alternative and Synthetic Lubricants 82
Diesel Engine Break-In Oil 82
Diesel Engine Oil 83
Diesel Engine Oil and Filter Service Intervals 83
Heavy Duty Diesel Engine Coolant 84
Drain Intervals for Diesel Engine Coolant 85
John Deere COOL-GARD™ II COOLANT EXTENDER 86
Supplemental Coolant Additives 86
Operating in Warm Temperature Climates 87
Additional Information About Diesel Engine Coolants and John Dee 87
Testing Diesel Engine Coolant 88
Transmission, Hydraulic System, Park Brake, and Axle Oil 89
Grease 89
Maintenance—Periodic Maintenance 91
Service Machine at Specified Intervals 91
Check Hour Meter Regularly 91
Prepare Machine for Maintenance 91
Locking Machine Frame 93
Boom Lock 93
Pin Removal—If Equipped With Powerllel™ Linkage 93
Opening Engine Service Doors and Side Shields 94
Opening Grille Door 95
Fuel Tank 95
Maintenance and Repair Record Keeping System 96
Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit 96
Service Intervals 96
Required Parts 99
Maintenance—As Required 100
Inspect Tires and Check Pressure 100
Tire Pressures (Z-Bars) 101
Tire Pressures (Powerllel™) 101
Check Wheel Bolt Torque 102
Clean or Replace Air Cleaner Elements 102
Inspect A/C Compressor and Alternator Belt 103
Check Windshield Washer Fluid Level 103
Drain Water From Primary Fuel Filter and Clean Strainer 104
Replace Final Fuel Filter 104
Check Cab Fresh Air Filter—If Equipped With Cab 105
Check Cab Recirculating Air Filter—If Equipped With Cab 105
Maintenance—Every 10 Hours or Daily 107
Check Coolant Level in Surge Tank 107
Clean Air Cleaner Dust Unloader Valve 107
Check Engine Oil Level 108
Check Hydraulic Oil Level 109
Check Transmission Oil Level 109
Maintenance—Every 100 Hours 111
Grease Loader Linkage and Cylinder Pivots—If Equipped 111
Grease Front Steering Cylinder Pivots (S N —618144) 112
Grease Rear Steering Cylinder Pivots (S N —618144) 113
Grease Oscillating Rear Axle Pivots 113
Maintenance—Initial Service – 250 Hours 114
Change Engine Oil and Replace Filter 114
Change Front and Rear Axle Oil 115
Drain Spark Arrestor Muffler (If Equipped) 116
Maintenance—Every 250 Hours 117
Take Engine Oil Sample 117
Maintenance—Every 500 Hours 118
Grease Upper and Lower Driveline Sliding Joints and U-Joints 118
Check Air Intake and Charged Air Cooler Hoses 118
Check Battery Electrolyte Level and Terminals 119
Change Engine Oil and Replace Filter 122
Replace Primary and Final Fuel Filter 123
Replace In-Line Fuel Strainer 123
Replace Hydraulic System Return Filter 124
Replace Hydraulic Reservoir Breather Filter 124
Check Park Brake Oil Level 124
Check Front and Rear Axle Oil Level 125
Drain Spark Arrestor Muffler (If Equipped) 125
Take Fluid Samples 125
Maintenance—Every 1000 Hours 127
Clean Engine Crankcase Vent Tube 127
Replace Air Cleaner Dust Unloader Valve 127
Replace Air Cleaner Elements 127
Check Coolant 128
Check Radiator Hoses 129
Replace Transmission Oil Filter 130
Inspect and Clean Hydraulic Pump Case Drain Fittings 130
Grease Frame Hinge Pivots 131
Change Park Brake Oil 131
Maintenance—Every 2000 Hours 133
Change Transmission Oil 133
Change Front and Rear Axle Oil 134
Clean Axle Oil Recirculation Screen—If Equipped 135
Grease Front and Rear Axle Input Seals 135
Adjust Engine Valve Lash (Clearance) 135
Re-Run Clutch Calibration 136
Maintenance—Every 3000 Hours 137
Change Hydraulic System Oil 137
Clean Hydraulic System Strainer 138
Maintenance—Every 5000 Hours 139
Draining the Cooling System 139
Filling the Cooling System 139
Replace Crankshaft Dampener 140
Inspect Driveline Dampener 140
Miscellaneous—Machine 142
Check Air Inlet Cover 142
Inspect Fuel Tank Vent Hose and Breather 142
Bleeding Fuel System 142
Checking Fire Extinguisher—If Equipped 143
Precautions for Alternator and Regulator 143
Handling Batteries Safely 144
Using Booster Batteries—24 Volt System 146
Using Battery Charger 146
Battery Disconnect Switch 147
Replacing Batteries 147
Removing and Installing Batteries 147
JDLink™ Machine Monitoring System (MMS)—If Equipped 148
JDLink™ Machine Monitoring System (MMS) Direct Laptop Connection 149
Replacing Fuses 149
Fuse (Blade-Type) Color Codes 152
Replacing Halogen Bulbs 152
Engine Speeds 153
Location of Fluid Sampling Test Ports 153
Checking Neutral Start System 155
Servicing Air Conditioning System—If Equipped 155
Welding on Machine 156
External Service Brake Inspection 156
Checking Brake Accumulators 157
Checking Ride Control Accumulator—If Equipped 158
Transmission Oil Cooler, Hydraulic Oil Cooler, Air-to-Air Afterc 160
Service Recommendations For Snap-To-Connect (STC®) Fittings 160
Do Not Service Control Valves, Cylinders, Pumps or Motors 162
Hardware Torque Specifications 162
Keep ROPS Installed Properly 162
Metric Bolt and Screw Torque Values 162
Unified Inch Bolt and Screw Torque Values 163
Miscellaneous—Operational Checkout 165
Operational Checkout 165
Engine Off Checks 165
Engine Running Checks 167
Miscellaneous—Troubleshooting 180
Troubleshooting Procedure 180
Engine 180
Transmission 182
Differential And Axle 184
Service Brake 186
Drive Line 186
Park Brake 186
Hydraulic System 187
Steering 189
Air Conditioning System 189
Heater System 191
Miscellaneous—Storage 192
Prepare Machine for Storage 192
Monthly Storage Procedure 192
Miscellaneous—Machine Numbers 194
Record Product Identification Number (PIN) 194
Record Engine Serial Number 194
Record Transmission Serial Number 194
Record Hydraulic Pump Serial Number 194
Record Axle Serial Number 195
Keep Machines Secure 195
Keep Proof of Ownership 195
Miscellaneous—Specifications 197
Specifications 197
High Lift Specifications 198
Powerllel™ Specifications 201
Drain and Refill Capacities 204
Page Number 5
Section 1-1 9
Section 1-2 10
Section 1-3 16
Section 1-4 21
Section 1-5 24
Section 2-1 25
Section 2-2 55
Section 3-1 80
Section 3-2 91
Section 3-3 100
Section 3-4 107
Section 3-5 111
Section 3-6 114
Section 3-7 117
Section 3-8 118
Section 3-9 127
Section 3-10 133
Section 3-11 137
Section 3-13 139
Section 4-1 142
Section 4-2 165
Section 4-3 180
Section 4-4 192
Section 4-5 194
Section 4-6 197

S.V 03/24