John Deere 3020 Tractor Repair Technical Manual
3020 Tractor John Deere
This Original Factory Manual Includes Detailed Service Repair Information for the John Deere 3020 Tractor. It contains guidance on repair, operation, and diagnostics, special instructions for repair and maintenance, instructions for installation.
Technical Manual Contains:
SECTION 10 – GENERAL
Group 05 – Specifications
Group 10 – Predelivery, Delivery, and After-Sales Services
Group 15 – Tune-Up
Group 20 – Lubrication
Group 25 – Separation
SECTION 20 – ENGINE
Group 05 – General Information, Diagnosis, and Tests
Group 10 – Cylinder Head and Camshaft
Group 15 – Cylinder Block, Liners, Pistons, and Rods
Group 20 – Crankshaft, Main Bearings, and Flywheel
Group 25 – Timing Gear Train
Group 30 – Lubrication System
Group 35 – Cooling System
Group 40 – Governor and Speed Control Linkage
SECTION 30 – FUEL SYSTEMS
Group 05 – Diagnosing Malfunctions
Group 10 – Diesel Fuel System
Group 15 – Gasoline Fuel System
SECTION 40 – ELECTRICAL SYSTEM
Group 05 – Information and Wiring Diagrams
Group 10 – Charging Circuit
Group 15 – Starting Circuit
Group 20 – Ignition System
Group 25 – Lighting and Accessory Circuits
SECTION 50 – POWER TRAIN
Group 05 – Syncro-Range Transmission and PTO Clutches
Group 10 – Syncro-Range Transmission
Group 15 – Engine Disconnect Clutch
Group 20 – Power Shift Transmission
Group 25 – Differential
Group 30 – Final Drive
Group 35 – Hi-Crop Final Drive
Group 40 – Syncro-Range PTO
Group 45 – Power Shift PTO
Group 50 – Belt Pulley
SECTION 60 – STEERING AND BRAKES
Group 05 – General Information
SECTION 70 – HYDRAULIC SYSTEM
Group 05 – General Information, Diagnosis, and Tests
Group 10 – Main Reservoir, Filters, Valves, Oil Cooler, and Oil Reservoir
Group 15 – Hydraulic Pumps
Group 20 – Power Steering
Group 25 – Power Brakes
Group 30 – Rockshaft, 3-Point Hitch, and Quick Coupler
Group 35 – Selective Control Valve, Breakaway Couplers, and Remote Cylinders
SECTION 80 – MISCELLANEOUS
Group 05 – Front Axle
