Description

John Deere 4230 Tractor Technical Manual (TM1056)

John Deere 4230 Tractor INDEX:

SECTION 10 – GENERAL
Group 5 –
General Tractor Specifications
Group 10
– Predelivery, Delivery, and After-Sale
Services
Group 15 –
Tune-up
Group 20 –
Lubrication
Group 25 –
Separation
Specifications and Special Tools
Group 30 –
SECTION 20 – ENGINE
General Information and Diagnosis
Cylinder Head, Valve Train, and Camshaft
Cylinder Block, Liners, Pistons, and Rods
Crankshaft, Main Bearings, and Fly-wheel
Lubricating System
Cooling System
Governor
Specifications and Special Tools
SECTION 30 – FUEL SYSTEM
Diagnosing Malfunctions
Air Intake System
Diesel Fuel System
Gasoline Fuel System
Speed Control Linkage
Specifications and Special Tools
SECTION 40 – ELECTRICAL SYSTEM
Information and Wiring Diagrams
Delcotron Charging Circuit
Delco-Remy Starting Circuit
John Deere Starting Circuit
Ignition System
Lighting and Accessory Circuits
Specifications and Special Tools

POWER TRAIN
Regular Clutch
Perma-Clutch
Creeper Transmission
Syncro-Range Transmission
Quad-Range Transmission
Power Shift Transmission
Differential
Final Drive
Hi-Crop Final Drive
PTO, Perma-Clutch
50 – PTO, Power Shift
Power Front-Wheel Drive
Specifications and Special Tools
SECTION 60 – STEERING AND BRAKES
General Information
SECTION 70 – HYDRAULIC SYSTEM
General Information
General Hydraulic System Tests and
Diag nosis
Main Reservoir, Filters, Valves, and
Oil Cooler
Hydraulic Pumps
Early Model Power Steering
Late Model Power Steering
Power Brakes
– Rockshaft
Selective Control Valve, Breakaway
Couplers, and Remote Cylinders
Specifications and Special Tools
SECTION 80 – MISCELLANEOUS
Front Axles
Air Conditioning System
Heating System
Specifications