John Deere 644K 4WD Loader Operators Manual (OMT260553)

John Deere 644K 4WD Loader Index:

Contents
- Safety—Safety and Operator Conveniences
  - Safety and Operator Convenience Features
- Safety—General Precautions
  - Recognize Safety Information
  - Follow Safety Instructions
  - Operate Only If Qualified
  - Wear Protective Equipment
  - Avoid Unauthorized Machine Modifications
  - Inspect Machine
  - Stay Clear of Moving Parts
  - Avoid High-Pressure Fluids
  - Avoid High-Pressure Oils
  - Work In Ventilated Area
  - Prevent Fires
  - Clean Debris from Machine
  - Prevent Battery Explosions
  - Handle Chemical Products Safely
  - Dispose of Waste Properly
  - Exhaust Filter Ash Handling and Disposal
  - Prepare for Emergencies
  - Add Cab Guarding for Special Uses
- Safety—Operating Precautions
  - Use Steps and Handholds Correctly
  - Start Only From Operator’s Seat
  - Use and Maintain Seat Belt
  - Prevent Unintended Machine Movement
  - Avoid Work Site Hazards
  - Use Special Care When Operating Loader
  - Keep Riders Off Machine
  - Avoid Backover Accidents
  - Avoid Machine Tip Over
  - Operating on Slopes
  - Operating or Traveling On Public Roads
  - Inspect and Maintain ROPS
  - Add and Operate Attachments Safely
- Safety—Maintenance Precautions
  - Park and Prepare for Service Safely
  - Clean Exhaust Filter Safely
  - Service Cooling System Safely
  - Service Tires Safely
  - Remove Paint Before Welding or Heating
  - Make Welding Repairs Safely
  - Drive Metal Pins Safely
- Safety—Safety Signs
  - Safety Signs
- Operation—Operator’s Station
  - Levers—Two Function Hydraulic Control
  - Levers—Three Function Hydraulic Control
  - Levers—Four Function Hydraulic Control
  - Levers—Joystick Steering Control
  - Pedals
  - Sealed Switch Module (SSM)
  - Switch Module Functions
  - Advanced Display Unit (ADU)
  - Display Unit Functions
  - Display Unit—Normal Display
  - Display Unit—Main Menu
  - Display Unit—Main Menu—Codes
  - Display Unit—Main Menu—Codes—Active Codes
  - Display Unit—Main Menu—Codes—Stored Codes
  - Display Unit—Main Menu—Settings
  - Display Unit—Main Menu—Settings—Reverse Fan Cycle
  - Display Unit—Main Menu—Settings—Courtesy Lights
  - Display Unit—Main Menu—Settings—Quick Shift
  - Display Unit—Main Menu—Settings—Job Timer
  - Display Unit—Main Menu—Settings—Stopwatch
  - Display Unit—Main Menu—Settings—Ride Control—If Equipped
  - Display Unit—Main Menu—Settings—Counters
  - Display Unit—Main Menu—Settings—Camera Mode
  - Display Unit—Main Menu—Settings—Operator Configuration
  - Display Unit—Main Menu—Diagnostics
  - Display Unit—Main Menu—Diagnostics—Machine ID
  - Display Unit—Main Menu—Diagnostics—Battery Monitor
  - Display Unit—Main Menu—Diagnostics—Engine Sensors
  - Display Unit—Main Menu—Diagnostics—Transmission/Axle
  - Display Unit—Main Menu—Diagnostics—Hydraulic Sensors
  - Display Unit—Main Menu—Diagnostics—Machine Sensors
  - Display Unit—Main Menu—Diagnostics—FNR Selector
  - Display Unit—Main Menu—Diagnostics—Cab Switches
  - Display Unit—Main Menu—Diagnostics—Switch Module
  - Display Unit—Main Menu—Diagnostics—Joystick Steering—If Equipped
  - Display Unit—Main Menu—Diagnostics—Tire Pressure—If Equipped
  - Display Unit—Main Menu—Diagnostics—Object Detect—If Equipped
  - Display Unit—Main Menu—Diagnostics—Auto Diff Lock—If Equipped
  - Display Unit—Main Menu—Diagnostics—Payload Scale—If Equipped
  - Display Unit—Main Menu—Diagnostics—JDLink™ System Info
  - Display Unit—Main Menu—Diagnostics—Park Brake Test
  - Display Unit—Main Menu—Payload Scale—If Equipped
  - Display Unit—Main Menu—Payload Scale—Long Total
  - Display Unit—Main Menu—Payload Scale—Display Units
  - Display Unit—Main Menu—Payload Scale—Auto Add
  - Display Unit—Main Menu—Payload Scale—Diagnostics
  - Display Unit—Main Menu—Payload Scale—Setup
  - Display Unit—Main Menu—Security
  - Display Unit—Main Menu—Security—Security
  - Display Unit—Main Menu—Security—Change Owner PIN
  - Display Unit—Main Menu—Security—Manage Operator PINs
  - Display Unit—Main Menu—Security—Manage Transport PIN
  - Display Unit—Main Menu—Security—Delayed Operator Logout
  - Display Unit—Main Menu—Exhaust Filter
  - Display Unit—Main Menu—Exhaust Filter—Auto Cleaning
  - Display Unit—Main Menu—Exhaust Filter—Parked Cleaning
  - Display Unit—Main Menu—Software Delivery
  - Display Unit—Main Menu—Software Delivery—Software Update
  - Horn Button
  - Turn Signals
  - Neutral Lock
  - Joystick Steering Armrest Adjustment— if Equipped
  - Air Conditioner and Heater Operation
  - Counter Switch
  - Opening and Securing Side Door
  - Opening Side Window/Secondary Exit
  - Opening Rear Side Window
  - Seat Adjustment
  - Fire Extinguisher Mounting Location
- Operation—Operating the Machine
  - Before Starting Work
  - Inspect Machine Daily Before Starting
  - Check Instruments Before Starting
  - Security System
  - Battery Disconnect Switch
  - Engine Break-In Period
  - Starting the Engine
  - Engine Block Heater—If Equipped
  - Starting Fluid (Cold Weather Starting Aid)—If Equipped
  - Warmup
  - Cold Weather Warmup
  - Park Brake Switch
  - Shifting the Transmission
  - Automatic Idle and Automatic Shutdown
  - Joystick Bucket and Boom Control
  - Two Lever Bucket and Boom Control
  - Auxiliary Control
  - Joystick Steering Control—If Equipped
  - Ride Control—If Equipped
  - Secondary Steering—If Equipped
  - Differential Lock Operation
  - Exhaust Filter
  - Service ADVISOR™ Remote (SAR) Software Delivery Process
  - Rear Camera and Radar Object Detection (ROD) System—If Equipped
  - Counter Switch Operation
  - Embedded Payload Scale—If Equipped
  - Boom Height Kickout Adjustment
  - Return-to-Carry Kickout Adjustment
  - Return-to-Dig Adjustment for Z-Bar Linkage
  - Return-to-Dig Adjustment for Powerllel™ Linkage—If Equipped
  - Operating Loader Coupler—If Equipped
  - Using the Loader Bucket
  - Backdragging
  - Fork Attachment
  - Parking the Machine
  - Loading Machine on a Trailer
  - Towing Procedure
  - Lifting the Machine
- Maintenance—Machine
  - Diesel Fuel
  - Diesel Fuel Specifications
  - Lubricity of Diesel Fuel
  - Handling and Storing Diesel Fuel
  - Biodiesel Fuel
  - Testing Diesel Fuel
  - Minimizing the Effect of Cold Weather on Diesel Engines
  - Alternative and Synthetic Lubricants
  - Mixing of Lubricants
  - Lubricant Storage
  - John Deere Break-In Plus™ Engine Oil
  - Diesel Engine Oil—Interim Tier 4 and Stage III B Engines
  - Engine Oil and Filter Service Intervals—Interim Tier 4 and Stage III B Engines
  - Transmission, Park Brake, and Axle Oil
  - Hydraulic System Oil
  - Grease
  - Heavy Duty Diesel Engine Coolant
  - Drain Intervals for Diesel Engine Coolant
  - John Deere COOL-GARD™ II Coolant Extender
  - Supplemental Coolant Additives
  - Operating in Warm Temperature Climates
  - Additional Information About Diesel Engine Coolants and John Deere COOL-GARD™ II Coolant Extender
  - Testing Diesel Engine Coolant
  - Disposing of Coolant
- Maintenance—Periodic Maintenance
  - Service Machine at Specified Intervals
  - Check Hour Meter Regularly
  - Prepare Machine for Maintenance
  - Frame Locking Bar
  - Boom Lock
  - Pin Removal—If Equipped With Powerllel™ Linkage
  - Engine Service Doors and Side Shields
  - Cooling System Doors
  - Fuel Tank
  - Fluid Analysis Program Test Kits and 3-Way Coolant Test Kit
  - Service Intervals
  - Required Parts
- Maintenance—As Required
  - Service Exhaust Filter
  - Inspect Tires and Check Pressure
  - Tire Pressures
  - Check Wheel Bolt Torque
  - Inspect Engine Air Cleaner Elements
  - Replace Fast Fill Fuel Breather Filter—If Equipped
  - Inspect Air Conditioner Compressor and Alternator Belt
  - Check Engine Coolant
  - Clean Cooler Cores
  - Check Rear Camera and Radar Object Detection (ROD) System—If Equipped
  - Check Windshield Washer Fluid Level
  - Drain Water From Primary Fuel Filter
  - Check and Clean or Replace Cab Fresh Air Filter
  - Check and Clean or Replace Cab Recirculating Air Filter
- Maintenance—Every 10 Hours or Daily
  - Clean Air Cleaner Dust Unloader Valve
  - Check Coolant Level in Surge Tank
  - Check Engine Oil Level
  - Check Hydraulic System Oil Level
  - Check Transmission Oil Level
  - Inspect Outer Pin Seals
- Maintenance—Every 100 Hours
  - Lubricate Loader Linkage and Cylinder Pivots—Z-Bar Linkage
  - Lubricate Loader Linkage and Cylinder Pivots—Powerllel™ Linkage
- Maintenance—Initial Service – 250 Hours
  - Drain and Refill Front and Rear Axle Oil
  - Replace Axle Oil Filters—If Equipped
- Maintenance—Every 250 Hours
  - Take Engine Oil Sample
- Maintenance—Every 500 Hours
  - Lubricate Driveline Upper and Lower Sliding Joints and Lower U-Joints
  - Check Front and Rear Axle Oil Level
  - Lubricate Front and Rear Axle Shaft Seals
  - Check Battery Water Level and Terminals
  - Check Air Intake Hoses and Charge Air Cooler Tube Couplings
  - Replace Fast Fill Fuel Breather Filter—If Equipped
  - Take Fluid Samples
  - Drain and Refill Engine Oil and Replace Filter
  - Replace In-Line Fuel Strainer
  - Replace Primary Fuel Filter
  - Replace Final Fuel Filter
  - Replace Hydraulic Reservoir Breather Filter
  - Check Park Brake Oil Level
  - Lubricate Front and Rear Shaft Seals on Park Brake
  - Check Ride Control Accumulator—If Equipped
- Maintenance—Every 1000 Hours
  - Clean Hydraulic Fan Drive Case Drain In-Line Screen
  - Replace Air Cleaner Dust Unloader Valve
  - Replace Engine Air Cleaner Elements
  - Check Coolant
  - Replace Fuel Tank Breather Filter
  - Replace Axle Oil Filters—If Equipped
  - Lubricate Frame Hinge Pivots
  - Drain and Refill Park Brake Oil
- Maintenance—Every 2000 Hours
  - Replace Outer Pin Seals
  - Drain and Refill Transmission Oil and Replace Filter
  - Drain and Refill Front and Rear Axle Oil
  - Clean Front and Rear Axle Oil Recirculation Screens—If Equipped
  - Adjust Engine Valve Lash (Clearance)
  - Rerun Transmission Clutch Calibration
- Maintenance—Every 4000 Hours
  - Clean Hydraulic Pump Case Drain In-Line Screen
  - Replace Hydraulic System Return Filter
  - Drain, Flush, and Refill Hydraulic System Oil
  - Clean Hydraulic System Fill Strainer
- Maintenance—Every 5000 Hours
  - Check Driveline Damper For Cracks
- Maintenance—Every 6000 Hours
  - Drain Cooling System
  - Refill Cooling System
- Miscellaneous—Machine
  - Tire Removal With Tire Pressure Monitor (TPM) System—If Equipped
  - Check Air Inlet Cover
  - Bleed Fuel System
  - Do Not Service Control Valves, Cylinders, Pumps, or Motors
  - Precautions for Alternator and Regulator
  - Handling, Checking, and Servicing Batteries Carefully
  - Using Booster Batteries—24-Volt System
  - Using Battery Charger
  - Replacement Batteries
  - Remove and Install Batteries
  - 12-Volt Auxiliary Power Outlet—If Equipped
  - JDLink™ Machine Monitoring System (MMS)—If Equipped
  - Replacing Fuses
  - Remove and Install Halogen Bulbs
  - Fluid Sampling Test Ports—If Equipped
  - Air Conditioning System Service
  - External Service Brake Inspection
  - Bleeding Brakes
  - Service Recommendations For Snap-To-Connect (STC®) Fittings
  - Welding On Machine
  - Welding Near Electronic Control Units
  - Keep Electronic Control Unit Connectors Clean
  - Keep ROPS Installed Properly
  - Hardware Torque Specifications
  - Metric Bolt and Screw Torque Values
  - Unified Inch Bolt and Screw Torque Values
- Miscellaneous—Operational Checkout
  - Operational Checkout
- Miscellaneous—Troubleshooting
  - Troubleshooting Procedure
  - Engine
  - Transmission
  - Differential and Axle
  - Service Brake
  - Driveline
  - Park Brake
  - Hydraulic System
  - Steering
  - Air Conditioning System
  - Heater System
  - Software Update
- Miscellaneous—Storage
  - Prepare Machine for Storage
  - Monthly Storage Procedure
- Miscellaneous—Machine Numbers
  - Record Product Identification Number (PIN)
  - Record Engine Serial Number
  - Record Transmission Serial Number
  - Record Hydraulic Pump Serial Number
  - Record Front and Rear Axle Housing Serial Numbers
  - Keep Proof of Ownership
  - Keep Machines Secure
- Miscellaneous—Specifications
  - Engine Specifications
  - Drain and Refill Capacities
  - Standard Z-Bar Specifications
  - High Lift Z-Bar Specifications
  - Powerllel™ Specifications
  - Travel Speeds
Page Number
- Section 1-1
- Section 1-2
- Section 1-3
- Section 1-4
- Section 1-5
- Section 2-1
- Section 2-2
- Section 3-1
- Section 3-2
- Section 3-3
- Section 3-4
- Section 3-5
- Section 3-6
- Section 3-7
- Section 3-8
- Section 3-9
- Section 3-10
- Section 3-11
- Section 3-12
- Section 3-13
- Section 4-1
- Section 4-2
- Section 4-3
- Section 4-4
- Section 4-5
- Section 4-6