John Deere 4WD Loaders 644J Repair Service Manual (TM10246)
Complete service repair manual for John Deere 644J 4WD Loader (SN. from 611232), with all the workshop information to maintain, repair, and rebuild like professional mechanics.
John Deere 4WD Loaders 644J workshop service repair manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
TM10246 - John Deere 644J 4WD Loader Technical Manual - Repair.PDF
TM10246 - John Deere 644J 4WD Loader Technical Manual - Repair.EPUB
Total Pages: 654 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
MAIN SECTIONS
Foreword
Technical Information Feedback Form
General Information
Safety Information
Wheels
Powered Wheels And Fasteners
Axles And Suspension Systems
Removal And Installation
Input Drive Shafts and U-Joints
Axle Shaft, Bearings, and Reduction Gears
Hydraulic System
Transmission
Removal And Installation
Gears, Shafts, Bearings and Power Shift Clutch
Hydraulic System
Engine
Removal and Installation
Engine Auxiliary Systems
Cold Weather Starting Aids
Cooling System
Intake System
External Exhaust System
External Fuel Supply Systems
Dampener Drive
Elements
Steering System
Hydraulic System
Service Brakes
Active Elements
Hydraulic System
Park Brake
Active Elements
Hydraulic System
Frame Or Supporting Structure
Frame Installation
Frame Bottom Guards
Chassis Weights
Operator’s Station
Removal And Installation
Operator Enclosure
Heating And Air Conditioning
Sheet Metal And Styling
Hood or Engine Enclosure
Grille and Fan Housing
Loader
Bucket
Frames
Hydraulic System
Dealer Fabricated Tools
CONTENTS - Expanded Views
00 - General Information
01 - Safety
Add and Operate Attachments Safely
Add Cab Guarding For Special Uses
Avoid Backover Accidents
Avoid High-Pressure Fluids
Avoid High-Pressure Oils
Avoid Machine Tip Over
Avoid Unauthorized Machine Modifications
Avoid Work Site Hazards
Beware of Exhaust Fumes
Dispose of Waste Properly
Drive Metal Pins Safely
Follow Safety Instructions
Handle Chemical Products Safely
Inspect and Maintain ROPS
Inspect Machine
Keep Riders Off Machine
Make Welding Repairs Safely
Operate Only If Qualified
Operating on Slopes
Operating or Traveling On Public Roads
Park And Prepare For Service Safely
Prepare for Emergencies
Prevent Battery Explosions
Prevent Fires
Prevent Unintended Machine Movement
Recognize Safety Information
Remove Paint Before Welding or Heating
Service Cooling System Safely
Start Only From Operator's Seat
Stay Clear of Moving Parts
Use and Maintain Seat Belt
Use Special Care When Operating Loader
Use Steps and Handholds Correctly
Wear Protective Equipment
01 - Wheels or Tracks
Tire Remove and Install
Wheel Remove and Install
02 - Axles and Suspension Systems
00 - Removal & Installation
Axle Oscillating Supports Disassemble and Assemble
Front Axle and Differential Remove and Install
Rear Axle and Differential Remove and Install
TeamMate ™ IV Axles
25 - Axle Shafts & U-Joints
Universal Joint and Drive Shaft Disassemble and Assemble
Universal Joint and Drive Shaft Remove and Install
50 - Axle Shaft, Bearings, & Rear Axle Reduction Gears
TeamMate ™ IV Axles
60 - Hydrostatic System
Axle Circulation System
Axle Oil Coolers Disassemble and Assemble
Differential Lock Solenoid Valve Remove and Install
03 - Transmission
00 - Hydrostatic Components Removal & Installation
Transmission Remove and Install
05 - Gears, Shafts, Bearings and Power Shift Clutch
Clutches, Input and Output Shafts Install
Clutches, Input and Output Shafts Remove
Clutch Pack KV and KR Assemble
Clutch Pack KV and KR Disassemble
Input Shaft Assemble
Input Shaft Disassemble
Torque Converter and Housing Install
Torque Converter And Housing Remove
60 - Hydrostatic Components Repair
Converter Minimum Pressure Regulator Valve Remove and Install
Converter Relief Valve Repair
Transmission Control Valve Disassemble and Assemble
Transmission Control Valve Remove and Install
Transmission Internal Oil Pipes and Tubes Remove and Install
Transmission Pump Remove and Install
04 - Engine
00 - Removal & Installation
Engine Crankshaft Dampener Remove and Install
Engine Remove and Install
PowerTech Plus ™ 4.5 L (4045) and 6.8 L (6068) John Deere Engines
05 - Engine Auxiliary Systems
05 - Cold Weather Starting Aids
Engine Coolant Heater Remove and Install
10 - Cooling System
Cooling Package Plenum Remove and Install
Fan and Fan Drive Motor Remove and Install
Fan Drive and Axle Circulation Pump Remove and Install
Hydraulic Oil Cooler Remove and Install
Intercooler Remove and Install
Radiator Remove and Install
Serpentine Belt Remove and Install
Transmission Oil Cooler Remove and Install
20 - Intake System
Air Cleaner Remove and Install
30 - External Exhaust System
Muffler Remove and Install
60 - External Fuel Supply Systems
Fuel Tank Remove and Install
07 - Dampener Drive
Output Dampener Remove and Install
09 - Steering System
60 - Hydraulic System
Steering Column Disassemble and Assemble
Steering Column Remove and Install
Steering Cylinder Bushings Remove and Install (S.N. —618143)
Steering Cylinder Bushings Remove and Install (S.N 618144— )
Steering Cylinder Remove and Install (S.N. —618143)
Steering Cylinder Remove and Install (S.N. 618144— )
Steering Valve Remove and Install
10 - Service Brakes
11 - Active Elements
Brake Assembly Remove And Install
Brake Pedal and Linkage Disassemble and Assemble
60 - Hydraulic System
Brake Accumulator Remove and Install
Brake Valve Remove and Install
11 - Park Brake
11 - Active Elements
Park Brake Disassemble and Assemble
Park Brake Remove and Install
60 - Hydraulic System
Park Brake Pressure Switch Remove and Install
Park Brake Release Solenoid Valve Remove and Install
17 - Frames, Chassis, or Supporting Structure
40 - Frame Installation
Engine and Loader Frame Separate
Lower Pivot Bearing and Seals Remove and Install
Remove and Install Upper Pivot Bearing and Seals
46 - Frame Bottom Guards
Front Axle Guard Remove and Install
Fuel Tank Guard Remove and Install
Transmission Bottom Guard Remove and Install
49 - Counterweights
Counterweights Remove and Install
Rear Counterweight Remove and Install
18 - Operator's Station
00 - Removal & Installation
Cab Install
Cab Remove
10 - Operator Enclosure
Front Windshield Wiper Adjust
30 - Heating & Air Conditioning
A _ C Binary Pressure Switch Remove and Install
Air Conditioner System Cleaning Procedures
Air Conditioner System Flush
Air Conditioner System Purge
Air Conditioning Module With Heater _ Evaporator Coil
Clutch Hub Clearance—R134a Check
Compressor Clutch—R134a Disassemble and Assemble
Compressor Manifold—R134a Inspect
Compressor—R134a Disassemble, Inspect, and Assemble
Compressor Remove and Install
Expansion Valve Remove and Install
Freeze Control Switch Bench Test
Freeze Control Switch Remove and Install
Fresh Air Filter Remove and Install
Heater Control Valve Leak Check
Heater Control Valve Remove and Install
Heater _ Evaporator Core Remove and Install
Leak Testing
Main Blower Assembly Remove And Install
Pressurizer Motor Assembly Remove and Install
R134a Component Oil Charge
R134a Compressor Oil Charge Check
R134a Compressor Oil Removal
R134a Refrigerant Cautions
R134a Refrigerant Recovery, Recycling and Charging Station Installation Procedure
R134a System Charge
R134a System Evacuate
R134a System Recover
Receiver-Dryer and Condenser Remove and Install
Recirculating Air Filter Remove and Install
Refrigerant Hoses and Tubing Inspection
19 - Sheet Metal and Styling
10 - Hood or Engine Enclosure
Engine Side Shields Remove and Install
Hood Remove and Install
13 - Miscellaneous Shields
Grille and Fan Housing Remove and Install
31 - Loader
02 - Bucket
Bolt-On Cutting Edges and Wear Plates Remove and Install
Bucket Remove and Install
Cracked Cutting Edge Repair
Welded-On Bucket Cutting Edges Remove and Install
04 - Attachment Coupler
Boom Remove and Install
Bucket Linkage Seals and Bushings Remove and Install
Hi-Vis Coupler Disassemble and Assemble
Loader Boom Bushings and Seals Remove and Install
Loader Bucket Tilt Linkage Remove and Install
NeverGrease™ Pin Joints
Powerllel™ Bellcrank Remove and Install
Powerllel™ Bucket Cylinder Remove and Install
Powerllel™ Bucket Link Disassemble and Assemble
Powerllel™ Coupler Disassemble and Assemble
Powerllel™ Guide Links Remove and Install
Powerllel™ Leveling Link Disassemble and Assemble
Powerllel™ Loader Boom Disassemble and Assemble
60 - Hydraulic System
Anti-Cavitation Relief Valve Disassemble and Assemble
Auxiliary Valve Section And Bucket Section Disassemble And Assemble
Boom and Bucket Cylinder Bushings and Seals Remove and Install
Boom Cylinder Piston Wear Ring Configuration
Boom Cylinder Remove and Install—185 Series
Boom Down Accumulator Remove and Install
Boom Valve Section Disassemble And Assemble
Bucket Circuit Relief Valve Disassemble and Assemble
Bucket Cylinder Remove and Install—185 Series
Hydraulic Oil Cleanup Procedure Using Portable Filter Caddy
Hydraulic Pump Control Valve Disassemble and Assemble
Hydraulic Pump Control Valve Remove and Install
Hydraulic Pump Disassemble and Assemble
Hydraulic Pump Remove and Install
Hydraulic Pump Start-Up Procedure
Hydraulic Reservoir Remove and Install
Loader Control Valve Disassemble and Assemble
Loader Control Valve Remove and Install
Loader Start-Up Procedure
Load Sense Relief Valve Disassemble and Assemble
Pilot Control Valve Disassemble and Assemble
Pilot Control Valve Remove and Install
Pin Disconnect Valve Disassemble and Assemble
Pin Disconnect Valve Remove and Install
Pressure Reducing Valve Manifold Disassemble and Assemble
Pressure Reducing Valve Manifold Remove and Install
Relief Valve Disassemble and Assemble
Ride Control Accumulator Remove and Install
Ride Control Valve Disassemble and Assemble
Ride Control Valve Remove and Install
99 - Dealer Fabricated Tools
DFRW20 Compressor Holding Fixture
DFT1063 Lifting Bracket
DFT1132 Hydraulic Pump Removal And Installation Tool
DFT1149 Pre-Load Clutch Pack Compression Ring Tool
DFT1158 Torque Converter Adapter Plate
John Deere 4WD Loaders 644J Repair Service Manual (TM10246)
