Description
This 459 page, Massey Ferguson MF40B Diesel Industrial Tractor Loader Backhoe Service Manual provides detailed service information, step-by-step repair instruction and maintenance specifications for Massey Ferguson MF40B models. This reproduction manual is a copy of the original out of print factory manual and includes model descriptions and serial number identification information to help you identify your model.
Table of Contents
Part 1 — Important Procedures and Data
Part 2 — Front Axle and Steering
TESTING AND TROUBLE-SHOOTING
Checking Pump Pressure
Filling and Removing Air From System
ENGINE DRIVEN STEERING PUMP
Removal/Installation
Servicing
STEERING CONTROL UNIT
Removal/Installation
Servicing
STEERING CYLINDERS
WHEEL BEARINGS AND SEAL
SPINDLE BUSHINGS AND SPINDLE
STEERING AXLE
AXLE SUPPORT CASTING
Pivot Pin Bushings
Part 3 — Engine
INTRODUCTION
General Information
Engine Serial Number
SPECIFICATIONS
General Specifications
Tightening Torques
Engine Overhaul Specifications
Lubrication System Specifications
Fuel System Specifications
Cooling System Specifications
ENGINE REMOVAL AND INSTALLATION
Removing Engine
Installing Engine
CYLINDER HEAD
Removing Cylinder Head
Disassembling Cylinder Head
Cylinder Head Inspection and Servicing
Valve Guides
Valves and Valve Seats
Servicing Valves and Valve Seats
Installing Exhaust Valve Seat Inserts
Valve Springs
Tappets
Rocker Arm Shaft Assembly
Disassembling and Inspecting
Rocker Arm Shaft Assembly
Reassembling Rocker Arm
Shaft Assembly
Reassembling Cylinder Head
Installing Cylinder Head
Retorquing Cylinder Head
Adjusting Valve Lash
PISTONS AND CONNECTING RODS
Removing Piston/Connecting
Rod Assembly
Separating Piston from
Connecting Rod
Connecting Rods
Connecting Rod Alignment
Pistons and Rings
Pistons
Piston Rings
Rejoining Piston to Connecting Rod
Installing Piston/Connecting
Rod Assembly
CYLINDER BLOCK AND LINERS
Inspecting and Servicing
Cylinder Block and Liners
Replacing Cylinder Liner
CRANKSHAFT AND MAIN BEARINGS
Crankshaft End-Play
Checking Crankshaft End-Play
Replacing Thrust Washers
Removing Crankshaft
Inspecting Crankshaft
Regrinding Crankshaft
Installing Crankshaft
Rear Crankshaft Oil Seal
Replacing Oil Seal
Installing Oil Seal Retainer
FLYWHEEL
Removing Flywheel and Transmission
Adapter Plate
Replacing Ring Gear
Installing Flywheel and Transmission
Adapter Plate
TIMING CASE AND DRIVE
Timing Gear Case
Replacing Front Crankshaft Oil Seal
Installing Timing Gear Cover
Removing Timing Gear Housing
Installing Timing Gear Housing
Timing Gears
Timing Gear Backlash and End-Play
Removing Timing Gears
Replacing Idler Gear Bushings
Installing Timing Gears and
Retiming Engine
Camshaft
Removing Camshaft
Inspecting Camshaft Thrust
Washer and Tappets
Installing Camshaft
Tachometer Drive
Checking Valve Timing
LUBRICATION SYSTEM
Oil Pan
Removing Oil Pan
Installing Oil Pan
Oil Pump
Oil Pump Idler Gear
Backlash and End-Play
Removing Oil Pump
Disassembling Oil Pump
Inspecting Oil Pump
Reassembling Oil Pump
Installing Oil Pump
Replacing Oil Filter and
Crankcase Oil
FUEL AND AIR SYSTEM
Air Cleaner
Servicing Outer Filter Element
Servicing Inner Filter Element
Fuel Lift Pump
Removing and Disassembling
Fuel Lift Pump
Reassembling and Installing
Fuel Lift Pump
Replacing Fuel Filter Element
Fuel Injection Pump
Removing Injection Pump
Installing Injection Pump
Checking and Adjusting
Injection Pump Timing
Adjusting Fuel Shut Off Control
Adjusting Engine Speed
Adjusting Throttle Linkage
Fuel Injectors
Removing Injectors
Testing Injectors
Disassembling Injectors
Cleaning and Inspecting Injectors
Assembling Injectors
Installing Injectors
Fuel Lines and Connections
Low Pressure Fuel Lines
High Pressure Injection Lines
Air-Bleeding Fuel System
COOLING SYSTEM
Water Pump
Removing Water Pump
Disassembling Water Pump
Reassembling Water Pump
Installing Water Pump
Thermostat
Replacing Thermostat
Testing Thermostat
Fan Belt Tension
TROUBLE-SHOOTING
Part 4 — Clutch
SPECIFICATIONS
OPERATION
Dual Clutch
Split Torque Clutch
SEPARATING/REJOINING TRACTOR
Separating Tractor
Rejoining Tractor
SERVICING DUAL CLUTCH
Removing Dual Clutch
Disassembling Dual Clutch
Inspecting Dual Clutch
Reassembling Dual Clutch
Installing Dual Clutch
Adjusting Dual Clutch
SERVICING SPLIT TORQUE CLUTCH
Removing Split Torque Clutch
Disassembling Split Torque Clutch
Inspecting Split Torque Clutch
Reassembling Split Torque Clutch
Installing Split Torque Clutch
Adjusting Split Torque Clutch
SERVICING BEARINGS AND RELEASE MECHANISM
Pilot Bearing
Release Bearing
Release Fork
ADJUSTING CLUTCH LINKAGE
TROUBLE-SHOOTING
Part 5—Transmission
SERVICE INFORMATION
TESTING AND ADJUSTING INSTANT REVERSE TRANSMISSION (HYDRAULIC SHUTTLE)
REMOVING/INSTALLING TRANSMISSION ASSEMBLY
Separating/Connecting Engine and Transmission
Separating/Connecting Transmission and Center Housing
REMOVING/INSTALLING TORQUE CONVERTER
REMOVING/INSTALLING TORQUE CONVERTER
SERVICING 8-SPEED TRANSMISSION
SERVICING MANUAL SHUTTLE TRANSMISSION — WITH PTO
SERVICING MANUAL SHUTTLE TRANSMISSION —
WITHOUT PTO INPUT SHAFT
SERVICING INSTANT REVERSE (HYDRAULIC SHUTTLE)
AND TORQUE CONVERTER
TROUBLE SYMPTOMS OF INSTANT REVERSE (HYDRAULIC SHUTTLE)
Part 6 — Drive Axle and Brakes
SPECIFICATIONS
DRIVE AXLE IDENTIFICATION
REAR WHEELS
ROPS (ROLL-OVER PROTECTIVE STRUCTURE)
AXLE HOUSING
Differential Lock Adjustment
Brake Adjustment
Brake Disc Access
Axle Planetary
Differential Lock
Brakes
DRIVE PINION REMOVAL
DRIVE PINION INSTALLATION
Servicing
DIFFERENTIAL ASSEMBLY — REMOVAL OR INSTALLATION—————-
Service and Bearing Pre-Load
CENTER HOUSING
Axle Planetary, Differential Lock and Brakes — Oil Immersed
Drive Pinion, Differential and Bearing Pre-Load
Part 7 — PTO
Part 8 — Internal Hydraulics
SERVICE INFORMATION
Special Tools and Test Fittings
3-Point Linkage
Hydraulic Lift Cover
3-Point Linkage Controls
Ferguson Hydraulic Pump
Auxiliary Hydraulics — IPTO
TROUBLE-SHOOTING
“Quick” Service Checks
Trouble Symptoms
ADJUSTMENTS
Lift Cover Adjustments — Prior to Installation
“Final” Adjustments — Lift Covers WITHOUT Mounted Dashpot
HYDRAULIC LIFT COVER
Removal/Installation
Servicing Lift Cover WITHOUT Mounted Dashpot
FERGUSON HYDRAULIC PUMP
Removal/Installation
Servicing Ferguson Pump WITH Mounted Servo-Valve
AUXILIARY HYDRAULICS — IPTO
Removal/Installation of Pump and Drive Train
Servicing Pump and Drive Train
Part 9 — Electrical System
SPECIFICATIONS
BATTERY
Activating Dry Battery
Servicing Battery
Charging and Cleaning
Checking State of Charge
Testing Battery
Specific Gravity Cell Comparison Test
Load Test
Full Charge Hydrometer Test
ALTERNATOR
Service Information
Alternator Precautions
Alternator Operation
Alternator Trouble-Shooting
Undercharged Battery
Overcharged Battery
Alternator Overhaul
Alternator Disassembly
Bearing Replacement and Lubrication
Alternator Reassembly
Alternator Component Testing and Servicing
Rotor Checks
Slip Ring Servicing
Stator Checks
Brush Holder and Regulator Check
Diode Trio Check
Rectifier Bridge Check
STARTER MOTOR
Trouble-Shooting Starter Circuit
Starter Circuit Inspection
Starter Motor No-Load Test
Starter Motor Overhaul
Starter Motor Disassembly
Field Frame Assembly
Solenoid Assembly
Starter Motor Cleaning and Lubrication
Starter Motor Reassembly
Starter Motor Component Testing and Servicing ________
Brushes and Brush Holders Inspection
Armature Checks and Servicing
Field Coil Checks
Solenoid Checks
Pinion Clearance
WIRING DIAGRAMS
Part 10 — Loader
HYDRAULIC SYSTEM INFORMATION — MF 32A, MF 34A AND MF 300A LOADERS
System Flow
Component Location and Operating Characteristics
TROUBLE-SHOOTING
Trouble Symptoms
TESTS AND ADJUSTMENTS
Checking and Adjusting System Main Pressure
Testing and Adjusting Circuit Reliefs (Within Valve)
Testing for Valve Spool Leakage and Checking Spool Travel
Testing “Load Checks”
Testing for Internal Cylinder Leakage
Checking Pump Efficiency (GPM)
HYDRAULIC PUMP SERVICING
Information
Disassembly
Inspection
Reassembly
“Breaking-ln” New or Rebuilt Pump
CONTROL VALVE SERVICING
Information
Disassembly
Inspection
Reassembly
DOUBLE-ACTING CYLINDERS
Service Information
Service Procedures
OIL FILTERS
Suction Filter — MF 32A and MF 34A Loaders
Suction Filter — MF 300A Loader
Return Filter
Part 11 — Backhoe
HYDRAULIC SYSTEM INFORMATION — MF 52A and MF 54A BACKHOES
System Flow
Component Operating Characteristics
TROUBLE-SHOOTING
Trouble Symptoms
TESTS AND ADJUSTMENTS
Operational Check of Backhoe
Operational Check of Swing
Checking and Adjusting Swing Cushioning (MF 54A)
Checking System Main Pressure
Testing Circuit Reliefs
Adjusting Circuit Reliefs
Testing “Load Checks”
Testing for Valve Spool Leakage and Checking Spool Travel
Testing for Internal Leakage of Double-Acting Cylinders
CONTROL VALVES — SERVICING
Service Information
Disassembly
Inspection
Reassembly
SWING CYLINDER REMOVAL AND INSTALLATION
Removing Rotary Cylinder
Installing Rotary Cylinder
ROTARY CYLINDER — MF PART NO 729 829 M91
Operation of Cushioning Mechanism
Servicing Rotary Cylinders in Place
Complete Servicing of Rotary Cylinders
ROTARY CYLINDER — MF PART NO 708 714 M92
Servicing Rotary Cylinder in Place
Complete Servicing of Rotary Cylinder
DOUBLE-ACTING CYLINDERS
Service Information
Cylinders with Wire Retaining Ring
Cylinders without Wire Retaining Ring
EXTENDABLE DIPPERSTICK
Dipperstick Assembly
Cylinder Assembly
