Factory Technical Manual For John Deere Tractor. Manual Contains Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.

Format: PDF
Language: English
Pages: 1384
Number: TM1254 (February 1985)
Wiring Diagrams: Yes

Model

John Deere Tractor
8850

Contents

-GENERAL
Specification and Special Tools
Predelivery, Delivery and After-Sale Services
Tune-up
Lubrication
-SEPARATION
Specifications and Special Tools
Front Drive
Fuel Tanks and Fenders
Front End
Front End and Engine From
Clutch Housing
Engine
SOUND-GARD Body
Front Hinge From Rear Hinge
Front Hinge
Clutch Housing
Rear Hinge
Torque Divider
Transmission
Final Drives
-ENGINE REPAIR
Specifications and Special Tools
Acquire Access to Cylinder Head, Valves and Camshaft
Cylinder Head, Valves and Camshaft
Acquire Access to Block, Liners, Pistons and Rods
Cylinder Block, Liners, Pistons and Rods
Acquire Access to Crankshaft, Main Bearings and Flywheel
Crankshaft, Main Bearings and Flywheel
Acquire Access to Lubrication System
Lubrication System
Acquire Access to Cooling System
Cooling System
-FUEL AND AIR SYSTEM REPAIR
Specifications and Special Tools
Acquire Access to Air Intake System
Air Intake System
Acquire Access to Diesel Fuel System
Diesel Fuel System
Speed Control Linkage
-ELECTRICAL REPAIR
Specifications and Special Tools
Harness Replacement
Connector Repair
John Deere Charging Circuit
Starter Circuit Repair
DELCO-REMY Starting Motor
Lighting Circuits
INVESTIGATOR II Warning System and Digital Tach. Repair
Accessory Circuits
-POWER TRAIN REPAIR
Specifications and Special Tools
Remove/Install Clutch Oil Pressure Valve Housing
Clutch Oil Pressure Regulating Valve Housing
Clutch Operating Piston Housing
PERMA CLUTCH
QUAD-RANGE™ Planetary
Independent PTO
Torque Divider and Drive Shafts
QUAD-RANGE Transmission
Shift Lever Assembly
Front Differential
Rear Differential Housing
Differential Lock Valves
Final Drives
Transmission Oil Filter Relief Valve
Housing
Transmission Oil Cooler and Thermal
Relief Valve
-STEERING/BRAKES REPAIR
Specifications and Special Tools
Remove/Install Power Steering Components
Steering Column
Metering Pump
Steering Valve
Steering and Feedback Cylinders
Remove/Install Brake Valve and Brake Accumulator
Brake Valve
Brake Accumulator
Bleeding Brakes and Testing Brake Assembly
Brake Pistons, Plates, and Disks
-HYDRAULIC REPAIR
Specifications and Special Tools
Charge Pump Assembly
Remove/Install Main Hydraulic Pump
Main Hydraulic Pump
Remove/Install Charge Circuit Valves and Attenuator
Charge Pump Control Valve
Hydraulic Filter Relief Valve Housing
Remove/Install HYDRACUSHIONED Seat Valve Assembly and Accumulator
Seat Valve Assembly
Remove and Install Pressure Control Valve
Pressure Control Valve
Remove/Install Rockshaft Components
Rockshaft Components
Lift Assist Cylinders
Draft Sensing Cylinders
Hitch Components
Remove/Install Selective Control
Valves and Controls
Selective Control Valve and Coupler
Remote Cylinder
Transmission-Hydraulic System Cleanup Procedure
-MISCELLANEOUS REPAIR
Specifications and Special Tools
Wheels
Hinge Pins
Front Weight
-OPERATOR STATION REPAIR
Specifications and Special Tools
Air Conditioning System
Air Conditioning System Service
Heating System
HYDRACUSHIONED Seat
Miscellaneous Components
-MISCELLANEOUS OPTIONS
Specifications and Special Tools
Auxiliary Steering System
Auxiliary Brakes System
Auxiliary Trailer Brake