John Deere 3020 Row-Crop Tractor Repair Technical Manual (SN. from 123000 -)

Table of Content(Repair Technical Manual – TM1005)

GENERAL
    Specifications
    Predelivery, Delivery, and After-Sale Services
    Tune-up
    Lubrication
    Separation
  ENGINE
    General Information and Diagnosis
    Cylinder Head and Camshaft
    Cylinder Block, Liners, Pistons, and Rods
    Crankshaft, Main Bearings, Flywheel, and Balancer
    Lubrication System
    Cooling System
    Governor and Speed Control Linkage
  FUEL SYSTEMS
    Diagnosing Malfunctions
    Diesel Fuel System
    Gasoline Fuel System
    LP-Gas Fuel System
  ELECTRICAL SYSTEM
    Information and Wiring Diagrams
    Charging Circuit
    Starting Circuit
    Ignition System
    Lighting and Accessory Circuits
  POWER TRAIN
    Syncro-Range Transmission and PTO Clutches
    Syncro-Range Transmission
    Engine Disconnect Clutch
    Power Shift Transmission
    Differential
    Final Drive
    Hi-Crop Final Drive
    Syncro-Range PTO
    Power Shift PTO
    Belt Pulley
    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

This Unit of the Service Manual contains maintenance instructions for the Model 3020 Row-Crop Tractor.
Included are complete instructions for removal, disassembly, inspection, repair, assembly, and installation of all parts and assemblies.

In addition, the manual contains a brief description of the more complicated systems of the tractor and tells how they operate. Dimensions of many new wearing parts are given as an aid in determining when parts replacement is necessary. Tests and adjustments required to keep the tractor operating at full efficiency are explained in detail. Full instructions on preparing a new tractor for delivery to the customer are included.

Use the manual whenever in doubt about correct maintenance procedures. Use it as a text book for new Service Department personnel who are unfamiliar with John Deere Tractors.
Daily use of the manual as a guide for any and all service problems will reduce error and costly delay to the minimum and assure you the best in finished service work.