John Deere 644C and JC644C Wheel Loaders Technical Manual (TM1229)

Illustrated factory Technical Manual for John Deere Wheel Loaders Models 644C and JC644C.

This manual will assist you in diagnosing, and repairing for your wheel loader.
You can use a Windows, Mac, or Android device to view this manual. You only need to have a PDF reader installed.

Covered Models:
   644C
   JC644C

Format: PDF, 1378 pages
Language: English
Publication Date: 01 Mar 1984
Table of Contents:
   GENERAL INFORMATION
      Introduction and Safety Information
      General Specifications
      Torque Values
      Fuels and Lubricants
   WHEELS
      Powered Wheels and Fastenings
   AXLES AND SUSPENSION SYSTEMS
      Removal and Installation
      Differential or Bevel Drive
      Input Drive Shafts and U-Joints
      Axle Shafts, Bearings and Reduction Gears
      Hydraulic Systems
   TRANSMISSION
      Removal and Installation
      Controls
      Input Drive Shafts and U-Joints
      Gears, Shafts, Bearings and Power Shift Clutch
      Hydraulic System
   ENGINE
      Engine Removal and Installation
      Crankshaft and Main Bearings
      Camshaft and Valve Actuating Means
      Connecting Rods and Pistons
      Cylinder Block
      Oiling System
      Ventilating System
      Cylinder Head and Valves
      Exhaust Manifold
      Fuel Injection System
      Intake Manifold
      Turbocharger
      Water Pump
      Thermostats, Housings and Piping
      Oil Cooler
      Fuel Filter
      Starting Motor and Fastenings
      Fan Drive
      Flywheel, Housing and Fastenings
   ENGINE AUXILIARY SYSTEMS
      Cold Weather Starting Aids
      Cooling Systems
      Speed Controls
      Intake System
      External Exhaust Systems
      Mounting Frame
      External Fuel Supply Systems
   TORQUE CONVERTER
      Turbine, Gears, Shafts and Bearings
   STEERING SYSTEM
      Emergency Steering
      Hydraulic System
   SERVICE BRAKES
      Active Elements
      Controls Linkage
      Hydraulic System
   PARKING-EMERGENCY BRAKES
      Active Elements
      Controls Linkage
   ELECTRICAL SYSTEMS
      Batteries, Support and Cables
      Alternator, Regulator and Charging System Wiring
      Lighting System
      Wiring Harness and Switches
      System Controls
      Instruments and Indicators
   FRAME, CHASSIS, OR SUPPORTING STRUCTURE
      Frame Installation
      Frame Bottom Guards
      Chassis Weights
   OPERATOR’S STATION
      Removal and Installation
      Operator Enclosure
      Seat and Seat Belt
      Heating and Air Conditioning
   SHEET METAL AND STYLING
      Hood or Engine Enclosure
      Grille and Grille Housing
      Fenders
   SAFETY, CONVENIENCE AND MISCELLANEOUS
      Mirror
      Fire Extinguisher
      Horn and Warning Devices
      Cigar Lighter
   MAIN HYDRAULIC SYSTEM
      Hydraulic System
   LOADER
      Buckets
      Controls Linkage
      Frames
      Hydraulic System
   SYSTEM TESTING
      General Information — Seven Basic Steps of Diagnosis and Testing
      Engine
      Electrical System
      Power Train
      Hydraulic System
      Heating and Air Conditioning
   SPECIAL TOOLS
   INDEX