Description
This 1000 page, Massey Ferguson 850 Combine Service Manual is reproduction of the original factory manual. It includes the essential information needed, like engine specifications, machine specifications, tune-up specifications, and torque settings needed for repair, overhaul or restoration of your MF850 combine.
TABLE OF CONTENTS
GENERAL INFORMATION
ENGINE
General Information
Engine Removal and Installation
Six-Cylinder Engine Removal and Installation
Eight-Cylinder Engine Removal and Installation
Engine Overhaul
Lubrication System
Fuel System
Cooling System
Rotary Screen and Radiator
Air Intake and Exhaust Systems
AiResearch T-04B Turbocharger
Engine Trouble-Shooting
POWER TRAIN
Engine Output Shaft
Traction Drive
Hydrostatic Pump Traction Drive
Variable-Speed Traction Drive
Traction Clutch and Release Bearing Removal/Installation
Transmission
Four-Speed Constant Mesh Transmission
Hydrostatic Motor Driven Transmission
HYDRAULICS
General Information
Hydraulic Reservoir and Oil Cooler
Hydraulic Pump
Power Steering
Electro-Hydraulic Header Control Valve
Main Control Valve
Hydrostatic Drive System
Operation of Drive Components
Eaton Hydrostatic Pump
Eaton Hydrostatic Motor
Sundstrand Hydrostatic Pump
Sundstrand Hydrostatic Motor
High Pressure Release Valve
Hydraulic Cylinders
Testing and Trouble-Shooting
Hydraulic System Testing
Hydraulic System Trouble-Shooting
Hydrostatic Drive Trouble-Shooting (With Test Gauges)
ELECTRICAL SYSTEM
General Information
Specifications and Wiring Diagrams
Batteries
Charging System
Starting System — Six-Cylinder Engines
Starting System — Eight-Cylinder Engines
Automatic Header Height Control
Fourteen-Channel Monitor and Digital Tachometer
Electrical Trouble-Shooting
AIR CONDITIONING
Air Conditioning and Heater
Delco-Frigidaire Axial Air Conditioning Compressor
Testing and Trouble-Shooting
WHEEL & AXLE COMPONENTS
Final Drive
Brakes
Power Rear Wheel Drive
Operating Details
Rear Wheel Drive Control Valve
Rear Wheel Drive Motor
Rear Wheel Drive Planetary Housing
Rear Wheel Drive Testing & Trouble-Shooting
HEADER UNITS
Knife Drive (Wobble Box)
Hydrostatic Reel Drive
Header-Driven Hydrostatic Reel Drive
Combine-Driven Hydrostatic Reel Drive
Hydraulic Motors
THRESHING & SEPARATING COMPONENTS
Front Beater
Stone Trap & Feed Plate
Cylinder Drive
Cylinder & Concave
Rear Beater
Main Grain Pan & Shaker Shoe
Fanning Mill & Drive
Straw Walkers & Pan-Under-Walkers
Rethresher & Returns System
Cascade Separator (MF 855/865)
MATERIAL DELIVERY CONPONENTS
Header Elevator
Clean Grain System
Unloading System