John Deere 4620 Tractors Technical Manual (tm1030)

Table of Contents:
   Introduction
   General
      Specifications
      Predelivery, Delivery, and After-Sale Services
      Tune-Up
      Lubrication
      Separation
   Engine
      General Information, Diagnosis, and Tests
      Cylinder Head, Valve Train, and Camshaft
      Cylinder Block, Liners, Pistons, and Rods
      Crankshaft, Main Bearings, and Flywheel
      Lubrication System
      Cooling System
   Fuel System
      Diagnosing Malfunctions
      Air Intake System
      Fuel Injection System
      Speed Control Linkage
   Electrical System
      Information and Wiring Diagrams
      Motorola Charging Circuit
      Delcotron Charging Circuit
      Delco-Remy Starting Circuit
      John Deere Starting Circuit
      Lighting and Accessory Circuits
   Power Train
      Syncro-Range Transmission and PTO Clutches
      Syncro-Range Transmission
      Engine Disconnect Clutch
      Power Shift Transmission
      Differential
      Final Drive
      Syncro-Range PTO
      Power Shift PTO
      Power Front-Wheel Drive
   Steering and Brakes
      General Information
   Hydraulic System
      General Information, Diagnosis, and Tests
      Main Reservoir, Filters, Valves, Oil Cooler, and Oil Reservoir
      Hydraulic Pumps
      Power Steering
      Power Brakes
      Rockshaft and Implement Hitches
      Selective Control Valve, Breakaway Couplers, and Remote Cylinders
   Miscellaneous
      Conventional Front Axle
      Power Front-Wheel Drive Axle