This highly detailed PDF manual covers all repairs, servicing and troubleshooting procedures. All technical details taken directly from the manufacturer can be found in this manual, It is the factory manual from the manufacturer. John Deere 644J Loader Repair Technical manual is the same manual used by professional technicians, mechanics and workshops around the world.
John Deere 644J Loader Repair Technical manual has easy-to-read text sections with top quality diagrams and instructions, will guide you through fundamentals of maintaining and repairing, step-by-step, to teach you what the factory trained technicians already know by heart. For that reason, you will not find it difficult to repair or to maintain some of the innovative features loaded on the vehicle when you have the manual. Using this repair manual is the true way to keep your vehicle working properly.
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Service Technical Manual Covers:
SECTION I – GENERAL INFORMATION
Group I – Contents and Index
Group II – Introduction and Safety Information
Group III – General Specifications
Group IV – Lubrication
SECTION 1 – WHEELS
Group 0110 – Powered Wheels and Fastenings
SECTION 2 – AXLES AND SUSPENSION SYSTEMS
Group 0200 – Removal and Installation
Group 0210 – Differential or Bevel Drive
Group 0225 – Input Drive Shafts and U-Joints
Group 0250 – Axle Shafts, Bearing and Reduction Gears
Group 0260 – Hydraulic System
SECTION 3 – TRANSMISSION
Group 0300 – Removal and Installation
Group 0315 – Controls
Group 0325 – Input Drive Shafts and U-Joints
Group 0350 – Gears, Shafts, Bearing and Power Shift Clutch
Group 0360 – Hydraulic System
SECTION 4 – ENGINE
Group 0400 – Removal and Installation
Group 0401 – Crankshaft and Main Bearings
Group 0402 – Camshaft and Valve Actuating Means
Group 0403 – Connecting Rods and Pistons
Group 0404 – Cylinder Block
Group 0407 – Oiling System
Group 0408 – Ventilating System
Group 0409 – Cylinder Head and Valves
Group 0410 – Exhaust Manifold
Group 0413 – Fuel Injection System
Group 0414 – Intake Manifold
Group 0416 – Turbocharger
Group 0417 – Water Pump
Group 0419 – Oil Cooler
Group 0420 – Fuel Filter
Group 0421 – Fuel Transfer Pump
Group 0422 – Starting Motor and Fastenings
Group 0433 – Flywheel, Housing and Fastenings
SECTION 5 – ENGINE AUXILIARY SYSTEMS
Group 0505 – Cold Weather Starting Aids
Group 0510 – Cooling Systems
Group 0515 – Speed Controls
Group 0520 – Intake System
Group 0530 – External Exhaust System
Group 0540 – Mounting Frame
Group 0560 – External Fuel Supply Systems
SECTION 6 – TORQUE CONVERTER
Group 0651 – Turbine, Gears, Shafts and Bearings
SECTION 9 – STEERING SYSTEM
Group 0930 – Emergency Steering
Group 0960 – Hydraulic System
SECTION 10 – SERVICE BRAKES
Group 1011 – Active Elements
Group 1015 – Controls Linkage
Group 1060 – Hydraulic System
SECTION 11 – PARKING-EMERGENCY BRAKES
Group 1111 – Active Elements
Group 1115 – Controls Linkage
SECTION 16 – ELECTRICAL SYSTEMS
Group 1671 – Batteries, Support and Cables
Group 1672 – Alternator, Regulator and Charging System Wiring
Group 1673 – Lighting System
Group 1674 – Wiring Harness and Switches
Group 1675 – System Controls
Group 1676 – Instruments and Indicators
SECTION 17 – FRAME, CHASSIS OR SUPPORTING STRUCTURE
Group 1740 – Frame Installation
Group 1746 – Frame Bottom Guards
Group 1749 – Chassis Weights
SECTION 18 – OPERATORS STATION
Group 1800 – Removal and Installation
Group 1810 – Operator Enclosure
Group 1821 – Seat and Seat Belt
Group 1830 – Heating and Air Conditioning
SECTION 19 – SHEET METAL AND STYLING
Group 1910 – Hood or Engine Enclosure
Group 1921 – Grille and Grille Housing
Group 1927 – Fenders
SECTION 20 – SAFETY, CONVENIENCE AND MISCELLANEOUS
Group 2002 – Mirror
Group 2004 – Horn and Warning Devices
Group 2006 – Cigar Lighter
SECTION 21 – MAIN HYDRAULIC SYSTEM
Group 2160 – Hydraulic System
SECTION 31 – LOADER
Group 3102 – Buckets
Group 3115 – Controls Linkage
Group 3140 – Frames
Group 3160 – Hydraulic System
SECTION 33 – BACKHOE
Group 3300 – Removal and Installation
Group 3301 – Blades, Teeth and Shanks
Group 3302 – Buckets
Group 3315 – Controls Linkage
Group 3340 – Frames
Group 3360 – Hydraulic System
SECTION 90 – SYSTEM TESTING
Group 9005 – General Information – Seven Basic Steps of Diagnosis and Testing
Group 9010 – Engine
Group 9015 – Electrical System
Group 9020 – Power Train
Group 9025 – Hydraulic System
Group 9031 – Heating and Air Conditioning
SECTION 99 – SPECIAL TOOLS
INDEX
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*File Format: PDF
*Language: English
*Requirements: Adobe PDF Reader & WinZip
*Compatible: All Versions of Windows & Mac, Linux OS, Iphone, Ipad, Android etc…
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