Overview
The Massey Ferguson MF 8947 Telescopic Handler Workshop Service Repair Manual provides detailed technical information for maintaining, troubleshooting and repairing the Massey Ferguson MF 8947 telescopic handler. The workshop documentation covers hydraulic lift and boom extension systems, bucket positioning and tilt cylinders, frame-leveling components, hydrostatic drive equipment, front and rear axle assemblies, differential and planetary final drive systems, steering controls, braking equipment, electrical circuits, engine servicing and operator components.
Technical coverage includes hydraulic cylinder overhaul, boom assembly removal, frame-leveling cylinder servicing, hydraulic control valve disassembly, pressure-reducing valve testing, steering mode solenoid diagnosis and hydrostatic drive motor repairs. Additional sections address axle differential overhaul, planetary gear servicing, boom wear pad replacement, Quick Tach attachment components, Susmic fault codes, ISL calibration, electrical wiring diagrams, air-conditioning maintenance, engine components, hydraulic connection specifications and machine tightening torques.
Safety: The workshop manual includes safety instructions for lifting and blocking the telescopic handler, transporting and towing the machine, fire prevention and the installation and removal of the approved boom stop. Read the applicable safety instructions before carrying out hydraulic repairs, boom maintenance, component removal or other workshop operations.
Important Information: The original publication identifies certain components for which detailed information was unavailable at the time of printing. These include the hydraulic gear pump, fan motor, hydraulic reservoir, tow valve, hydrostatic pump, operator cab, engine cover and starter motor. The manual also contains separate front axle procedures for configurations with and without frame leveling. Confirm the installed equipment and the availability of the relevant repair instructions before beginning service work.
Table of Contents
Massey Ferguson MF 8947 Telescopic Handler Manual
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01. Foreword and Workshop Manual Introduction
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02. Safety Instructions
- General Workshop Safety Instructions
- Fire Prevention
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03. Serial Number Locations
- Telescopic Handler Serial Number
- Engine Serial Number
- Other Component Serial Numbers
- 04. Delivery Report
- 05. Telescopic Handler Identification
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06. Safety and Preventive Maintenance
- General Maintenance Safety
- Lifting and Blocking the Telescopic Handler
- Safe Machine Lifting and Blocking Procedure
- Operator Cab and Canopy
- Operator Emergency Exit
- Cab Door and Window
- Transporting the Telescopic Handler
- Machine Transportation Procedure
- Towing the Telescopic Handler
- Machine Towing Procedure
- Routine Service Schedule
- Engine Air Cleaner Maintenance
- Air Cleaner Filter Element Replacement
- Engine Cooling System Maintenance
- Cooling System Cleaning
- Engine Coolant Level Inspection
- Engine Coolant Replacement
- Diesel Fuel System Maintenance
- Fuel Specifications
- Fuel Tank Filling
- Fuel Filter Servicing
- Engine Lubrication System
- Engine Oil Level Inspection
- Engine Oil Specifications
- Engine Oil and Filter Replacement
- Hydraulic and Hydrostatic System Maintenance
- Hydraulic Fluid Level Inspection and Filling
- Hydraulic and Hydrostatic Filter Replacement
- Hydraulic Fluid Replacement
- Front and Rear Axle Maintenance
- Planetary Carrier Oil Level Inspection
- Planetary Carrier Oil Draining
- Rear Differential Oil Inspection and Draining
- Front Differential Oil Inspection and Draining
- Machine Lubrication Procedures
- Tyre Maintenance
- Wheel Nut Inspection
- Tyre Rotation
- Tyre Mounting
- Spark Arrestor Muffler Cleaning
- Approved Boom Stop
- Boom Stop Installation and Removal
- Engine Cover Opening and Closing
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07. Hydraulic System and Component Servicing
- Hydraulic System General Information
- Hydraulic System Troubleshooting Chart
- Hydraulic Connection Tightening Procedures
- Hydraulic Lift Cylinder
- Lift Cylinder Removal and Installation
- Lift Cylinder Component Identification
- Lift Cylinder Disassembly and Reassembly
- Bucket Positioning Cylinder
- Bucket Positioning Cylinder Removal and Installation
- Bucket Positioning Cylinder Component Identification
- Bucket Positioning Cylinder Disassembly and Reassembly
- Telescopic Boom Extension Cylinder
- Extension Cylinder Group Removal and Installation
- Extension Cylinder Upper Tubeline Removal
- Extension Cylinder Upper Tubeline Installation
- Extension Cylinder Removal and Installation
- Extension Tubeline Tray Disassembly and Reassembly
- Extension Cylinder Component Identification
- Extension Cylinder Disassembly and Reassembly
- Hydraulic Tilt Cylinder
- Tilt Cylinder Removal and Installation
- Tilt Cylinder Component Identification
- Tilt Cylinder Disassembly and Reassembly
- Front Hydraulic Steering Cylinder
- Front Steering Cylinder Removal and Installation
- Front Steering Cylinder Disassembly and Reassembly
- Rear Hydraulic Steering Cylinder
- Rear Steering Cylinder Removal and Installation
- Rear Steering Cylinder Disassembly and Reassembly
- Hydraulic Drive Box
- Drive Box Component Identification
- Drive Box Disassembly
- Drive Box Component Inspection
- Drive Box Reassembly
- Main Hydraulic Relief Valve
- Main Relief Valve Testing and Adjustment
- Main Relief Valve Removal and Installation
- Quick Tach Hydraulic Cylinder
- Quick Tach Cylinder Removal and Installation
- Quick Tach Cylinder Component Identification
- Quick Tach Cylinder Disassembly and Reassembly
- Frame-Leveling Hydraulic Cylinder
- Frame-Leveling Cylinder Removal and Installation
- Frame-Leveling Cylinder Component Identification
- Frame-Leveling Cylinder Disassembly
- Frame-Leveling Cylinder Reassembly
- Steering Mode Valve Block
- Steering Mode Valve Block Removal and Installation
- Steering Mode Valve Component Identification
- Steering Mode Valve Block Disassembly
- Steering Mode Solenoid Testing
- Steering Mode Valve Reassembly
- Hydraulic Brake Valve
- Brake Valve Removal and Installation
- Brake Valve Disassembly and Reassembly
- Hydraulic Steering Valve
- Steering Valve Removal and Installation
- Steering Valve Component Identification
- Steering Valve Disassembly
- Steering Valve Component Inspection
- Steering Valve Reassembly
- Main Hydraulic Control Valve
- Hydraulic Control Valve Removal and Installation
- Hydraulic Control Valve Disassembly and Assembly
- Hydraulic Control Valve End Housing
- Lifting Valve Section Disassembly and Assembly
- Tilting Valve Section Disassembly and Assembly
- Telescoping Valve Section Disassembly and Assembly
- Auxiliary and Frame-Leveling Valve Section
- Hydraulic Inlet and Outlet Valve Section
- Hydraulic Port Relief Valves
- Port Relief Valve Adjustment
- Hydraulic Flow Control Valve
- Flow Control Valve Removal and Installation
- Hydraulic Joystick Controls
- Joystick Handle Removal and Installation
- Joystick Assembly Removal and Installation
- Joystick Component Identification
- Joystick Disassembly and Reassembly
- Hydraulic Parking Brake System
- Parking Brake Pressure Switch Removal and Installation
- Parking Brake Pressure Switch Servicing
- Parking Brake Valve Removal and Installation
- Parking Brake Valve Disassembly and Reassembly
- Hydraulic Pressure-Reducing Valve
- Pressure-Reducing Valve Testing
- Pressure-Reducing Valve Removal and Installation
- Pressure-Reducing Valve Disassembly and Reassembly
- Hydraulic Accumulator Removal and Installation
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08. Hydrostatic Transmission and Drive Motor
- Hydrostatic System General Information
- Hydrostatic System Troubleshooting Chart
- Hydrostatic Replenishing Valve Operation
- Hydrostatic Drive Motor
- Hydrostatic Drive Motor Component Identification
- Hydrostatic Drive Motor Disassembly
- Hydrostatic Drive Motor Inspection
- Hydrostatic Drive Motor Reassembly
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09. Drive System, Axles and Brakes
- Drive System Troubleshooting Chart
- Front Axle and Differential
- Front Axle General Information
- Front Planetary Carrier Component Identification
- Front Planetary Carrier Disassembly
- Front Planetary Carrier Inspection
- Front Wheel Hub Component Identification
- Front Wheel Hub Disassembly
- Front Wheel Hub Inspection
- Front Steering Knuckle Disassembly
- Front Axle Housing and Drive Axle Components
- Front Axle Housing Disassembly
- Front Brake Group Components
- Front Brake Group Disassembly and Inspection
- Front Differential Component Identification
- Front Differential Disassembly and Inspection
- Front Differential Pinion Group
- Front Pinion Group Disassembly
- Front Pinion Group Inspection
- Front Pinion Group Reassembly
- Front Differential Reassembly
- Front Brake Group Reassembly
- Front Axle Housing Reassembly
- Front Steering Knuckle Reassembly
- Front Wheel Hub Reassembly
- Front Planetary Carrier Reassembly
- Rear Axle and Differential
- Rear Axle General Information
- Rear Planetary Carrier Component Identification
- Rear Planetary Carrier Disassembly and Inspection
- Rear Wheel Hub Component Identification
- Rear Wheel Hub Disassembly and Inspection
- Rear Steering Knuckle Disassembly
- Rear Axle Housing and Drive Axle Components
- Rear Axle Housing Disassembly
- Rear Differential Component Identification
- Rear Differential Disassembly and Inspection
- Rear Differential Pinion Group
- Rear Pinion Group Disassembly and Inspection
- Rear Pinion Group Reassembly
- Rear Differential Reassembly
- Rear Axle Housing Reassembly
- Rear Steering Knuckle Reassembly
- Rear Wheel Hub Reassembly
- Rear Planetary Carrier Reassembly
- Front Axle Without Frame Leveling
- Front Axle Removal Without Frame Leveling
- Front Axle Installation Without Frame Leveling
- Front Axle With Frame Leveling
- Front Axle Removal With Frame Leveling
- Front Axle Installation With Frame Leveling
- Front Axle Pivot Frame
- Axle Pivot Frame Removal and Installation
- Axle Pivot Frame Bushing Replacement
- Front Axle Toe-In Adjustment
- Parking Brake Release for Towing
- Parking Brake Reactivation
- Steering Angle Adjustment
- Driveshaft Removal and Installation
- Service Brake Operating Description
- Service Brake Hydraulic Circuit Bleeding
- Rear Axle Removal and Installation
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10. Main Frame, Boom and Operator Components
- Main Frame General Information
- Operator Canopy Removal and Installation
- Operator Seat Removal and Installation
- Telescopic Boom Assembly
- Boom Assembly Removal and Installation
- Inner Telescopic Boom
- Inner Boom Removal
- Inner Boom Installation
- Front Boom Wear Pads
- Front Wear Pad Removal and Installation
- Rear Boom Wear Pads
- Rear Wear Pad Removal and Installation
- Fuel Tank Removal and Installation
- Quick Tach Attachment Assembly
- Quick Tach Removal and Installation
- Rear Counterweights
- Rear Weight Removal and Installation
- Fender Removal and Installation
- Pivot Link Removal and Installation
- Dashboard Cover Removal and Installation
- Steering Column Cover Removal and Installation
- Joystick Control Panel Removal and Installation
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11. Electrical System, Wiring and Diagnostic Analysis
- Electrical System General Information
- Reading the Electrical Schematics
- Telehandler Electrical Wiring Diagrams
- Susmic System Error Codes
- Susmic System Testing
- ISL Calibration
- Electrical System Troubleshooting Chart
- Electrical Fuses, Diodes and Relays
- Battery Removal and Installation
- Battery Servicing
- Booster Battery and Jump-Starting Procedures
- Alternator Removal and Installation
- Alternator Drive Belt Adjustment
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12. Engine Service and Associated Components
- Engine Troubleshooting
- Engine Speed Control
- Engine Muffler
- Engine Air Cleaner
- Engine Radiator
- Engine and Engine Mounts
- Engine Components and Testing
- Engine and Hydrostat Assembly
- Engine Flywheel and Housing
- Engine Reconditioning
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13. Heating, Ventilation and Air Conditioning
- Air Conditioning System General Information
- Air Conditioning System Flow Principles
- Air Conditioning Flow Chart
- Air Conditioning Component Identification
- Air Conditioning Safety Equipment
- Air Conditioning Regular Maintenance
- Air Conditioning Filter Element Removal and Installation
- Compressor Drive Belt Inspection
- Air Conditioning Condenser Cleaning
- Air Conditioning Basic Troubleshooting
- Poor Air Conditioning Performance
- Air Conditioning Electrical System Inspection
- General Air Conditioning Servicing
- Air Conditioning Compressor Oil
- Compressor Oil Inspection
- Refrigeration System Leak Inspection
- Air Conditioning Component Replacement
- Air Conditioning System Troubleshooting Chart
- Refrigerant Gauge Pressure Troubleshooting
- Air Conditioning Temperature and Pressure Chart
- Air Conditioning Service Chart
- Refrigerant Recovery and Charging
- Refrigerant Reclamation Procedure
- Air Conditioning Manifold Gauge Charging Procedure
- Air Conditioning Compressor Removal and Installation
- Compressor Clutch Disassembly and Reassembly
- Condenser Removal and Installation
- Receiver/Drier Removal and Installation
- Air Conditioning Pressure Switch Removal and Installation
- Evaporator and Blower Unit Removal and Installation
- Expansion Valve Removal and Installation
- Cab Heater Assembly
- Heater Fan Removal and Installation
- Heater Core Removal and Installation
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14. Technical Specifications and Workshop References
- Telehandler General Specifications
- Machine Dimensional Specifications
- Telehandler Performance Specifications
- Engine Specifications
- Machine Control Specifications
- Drive System Specifications
- Tyre Specifications
- Fluid and System Capacities
- Hydraulic System Specifications
- Electrical System Specifications
- Instrument Panel Specifications
- Engine Technical Specifications
- Machine Component Tightening Torques
- Front and Rear Axle Tightening Torques
- Boom Assembly Tightening Torques
- Drive Box Tightening Torques
- Hydrostatic Drive Motor Tightening Torques
- Engine Tightening Torques
- Hydraulic Pump Tightening Torques
- General SAE Bolt Tightening Torques
- General Metric Bolt Tightening Torques
- Hydraulic Connection Specifications
- O-Ring Face Seal Hydraulic Connections
- Straight-Thread O-Ring Fittings
- Hydraulic Tubelines and Hoses
- Hydraulic Flare Fittings
- O-Ring Flare Fittings
- Hydraulic Port Seal Fittings
- Hydraulic and Hydrostatic Fluid Specifications
- Decimal and Millimetre Equivalents
- US and Metric Measurement Conversions
Frame-Leveling Hydraulics and Control Valve Servicing
The Massey Ferguson MF 8947 workshop manual includes dedicated references for the frame-leveling hydraulic cylinder, including removal, component identification, disassembly and reassembly. The drive system also provides separate front axle removal and installation procedures for machines fitted with frame leveling and those without this arrangement. Additional references cover the axle pivot frame, its bushings, steering angle adjustment and axle alignment.
The hydraulic control valve section contains procedures for removing and servicing the valve assembly and its individual functional sections. These include the lifting, tilting, telescoping, auxiliary/frame-leveling and inlet-outlet valve sections. Related servicing references cover the pressure-reducing valve, main relief valve, steering mode valve block, hydraulic accumulator and joystick controls.
Publication coverage note: Although the manual contains detailed hydraulic control valve procedures, its component identification section is marked as unavailable at the time of printing. Other components, including the hydrostatic pump, tow valve, hydraulic gear pump and hydrostatic oil cooler, are also listed without detailed servicing information. Check the applicable manual section before relying on it for a specific component repair.
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