Ford New Holland Versatile 256 276 276 II Tractor Service Manual

Description

This 370 page Ford New Holland Versatile 256 276 Service Manual is a reproduction of the original, out of print, service manual. This tractor service manual provides detailed service information, step-by-step repair instruction and maintenance specifications for Versatile 256, 276, and 276 II Bidirectional tractors.

Table of Contents
Section 1 – Specifications and Data
Section 2 – Engine Systems
Section 3 – PTO
Section 4 – Drivetrain
Section 5 – Hydrostatic System
Section 6-Hydraulics
Section 7-Three-Point Hitch
Section 8 – Electrical System
Section 9 – Environmental Systems
Section 10 – Structures

Index of Topics
Section 1: Specifications and Data
Introduction
Hoists and Jacks
Specifications
Accessories
Air Cleaner
Axles
Brakes
Cab
Closed Cab
Open Cab
General Features
Capacities
Cooling System
Dimensions’
256-276
276 Ii
Drawbar
Cab End
Engine End
Electrical System
Engine
256 Tractor
256 Tractor
Common Specifications
Frame
Hydraulic System
Hydrostatic System
Options
Power Take-Off
Steering
Three-Point Hitch
Engine End
Tires
276 Ii Ford
Transmission
Wheels
Wheel Spacing
Fuels, Fluids and Lubricants
Fuels
Fluids
Coolant
Hydraulic Oil
Transmission Fluid
Brake Fluid
Lubricants
Grades
Engine Oil
Differentials and Dropboxes
PTO Dropbox
Grease
Lubrication
General
Belts and Filters
General
Storage
General
Engine Storage
Tractor Storage
Storing Batteries
Preparation After Storage
Engine Startup After Storage
Section 2: Engine Systems
Introduction
Engine Specifications
256 Tractor Engine
276 and 276 Ii Tractor Engine
Torque Values
Troubleshooting
Engine Replacement
Special Tools and Equipment
Engine Removal
Engine Installation
Engine Mount Replacement
Special Tools and Equipment
Front Mount
Rear Mounts
Fuel System
General
Troubleshooting
Inspection Procedures
Throttle Linkage Adjustment
Fuel Shutoff Solenoid Check
Purging Fuel Lines and Hoses
Priming the Fuel System
Fuel Hose Replacement
Supply and Return Hoses
Breather and Crossover Hose
Fuel Tank Replacement
Removal
Installation
Fuel Gauge Sender Replacement
Cold Start
Inspection Procedures
Cold Start Cylinder Replacement
Cold Start Valve Replacement
Cooling System
General
Troubleshooting
Coolant Temperature Sender
Coolant Hose Replacement
Top Radiator Hose
Bottom Radiator Hose
Radiator Replacement
Removal
Installation
Flushing the Cooling System
Special Tools and Equipment
Backflushing Procedure
Air Intake and Exhaust System
General
Troubleshooting
Inspection Procedures
Air Cleaner Restriction Indicator
Air Cleaner Replacement
Removal
Installation
Muffler Replacement
Removal and Installation
Lubrication System
General
Troubleshooting
Inspection Procedures
Oil Pressure Sender
Engine Oil and Filter Change
55 Priming the Lubrication System
56 Fan Drive Belt
561 Fan Drive Belt Replacement
57 Fan and Alternator Drive Belt –
Ford Engine
Ford Engine Maintenance
Section 3 – PTO
Transfer Gearbox Repair
Introduction
Removing the Transfer Gearbox
Removing the Shifter Forks and Shaft
Disassembling the Gearbox Gears,
Shafts, and Bearing
Assembling the Gearbox
Installing the Sliding Forks
Replacing the Transfer Gearbox On The Tractor
PTO Clutch
Removing the PTO Clutch
Assembly
Disassembling the PTO Clutch
Assembling the PTO Clutch
Adjusting the PTO Clutch
Engine End PTO Drop Box Service
Removing the Drop Box
Disassembling the Drop Box
Assembling the Drop Box
Cab End Two-Speed PTO Drop Box
Service
Removing the Drop Box
Disassembling the Drop Box
Assembling the Drop Box
Section 4 – Drivetrain
Transmission Removal
Transmission Disassembly
Removal of The Countershaft
Removal of The Input Gear and Bearing
Assembly
Gearbox Assembly
Assembly of The Output Shaft
Input Gear Assembly
Installation of The Countershaft
Shifter Forks and Cam Plate
Assembly
Cam Plate Mount Adjustment
Transmission Installation
Shift Controls
Splitter Box Service Removing the Splitter Box from The Tractor
Hydrostatic Pump Removal
Removing the Splitter Box
Splitter Box Disassembly
Disassembly of The Splitter Box
Used on The Ford Engine
Reassembly of The Splitter Box – Cummins Engine
Reassembly of The Splitter Box – Ford Engine
Installation of The Splitter Box
Final Drive Drop Box Service
Axle Seals
Drop Box Removal and Disassembly
Drop Box Assembly
Hydraulic Disc Brake Service
Brake Caliper Removal
Brake Caliper Disassembly
Brake Caliper Assembly
Installation of The Brake Pads And
Adjustment
Master Brake Cylinder Repair
Brake Rotor Replacement
Spicer Axle Maintenance Manual -70 HD Series
Section 5: Hydrostatic System
Introduction
Specifications and Data
Hydrostatic System
Testing
General
System Test
Pump Case Drain Test
Hydrostatic Pump
Charge Pump Relief Valve
Replacement
Charge Pump Overhaul
Removal
Overhaul
Installation
Control Valve Overhaul
Removal
Overhaul
Installation
Hydrostatic Pump Overhaul
Removal
Disassembly
Assembly
Installation
Start-Up Procedure
Preparation
System Start-Up
Hydrostatic Motor
Removal
Valve Block Overhaul
Removal
Overhaul
High Pressure Relief Valve
Shuttle Valve
Chart Pressure Relief Valve
Installation
Hydrostatic Motor Overhaul
Disassembly
Assembly
Installation
Linkages
Fnr Lever Adjustment
Eaton Hydraulics Repair
Information
Eaton Hydraulics Start-Up
Procedure
Eaton Hydraulics Troubleshooting Information
Section 6: Hydraulics
Introduction
How the System Works
Specifications and Data
Torque Values
Hydraulic Pump
Removal
Overhaul
Disassembly
Piston Block Disassembly
Camplate Disassembly
Compensator Disassembly
Inspection
Assembly
Installation
Start-Up Procedure
Testing
Special Tools and Equipment
Hydraulic Pump Inlet Vacuum
Pump System High Pressure And Flow
Pump Case Drain Test
Hydraulic System Charge-Up
Implement Control Valve Test
Steering System
Steering Valve
Removal
Overhaul
Disassembly
Eaton Hydraulics Repair Information
Inspection and Repair
Assembly
Installation
Testing
Special Tools and Equipment
Outlet Flow and Pressure
Signal Pressure
Steering System
Rotating Base Case Drain Flow
Hydraulic Rotating Base
Removal
Disassembly
Inspection
Assembly
Installation
Steering Cylinders
Removal
Disassembly
Inspection
Assembly
Installation
Bleeding
Implement Valve
Removal
Cab End
Engine End
Implement Valve Disassembly
Valve Section Overhaul
Common Disassembly
Flow Divider Section
Disassembly
Inspection and Repair
Assembly
Three-Point Hitch Solenoid Valve
Section (optional)
Disassembly
Inspection and Repair
Assembly
Detent and Float Valve Section
Disassembly
Inspection and Repair
Assembly
Standard Valve Section
Disassembly
Inspection and Repair
Assembly
Implement Valve Assembly
Installation
Cab End
Engine End
Implement Control Linkage
Cab End
Control Rod Adjustment
Control Lever Adjustment
Pedal Adjustment
Flow Control Adjustment
Control Replacement
Flow Control Cable Replacement
Engine End
Cable Adjustment
Cable Replacement
Valve Control Replacement
Flow Control Rod Replacement
Filters
Return Filter
Suction Filter
Removal and Replacement
Hydraulic Oil Cooler
Removal
Inspection
Installation
Hydraulic Reservoir
Removal
Installation
Section 7 – Three-Point Hitch
Introduction
Three-Point Hitch Specifications
Rear Three-Point Hitch
Front Three-Point Hitch
Torque Values
Special Tools and Equipment
System Function
Mechanical Components
Hydraulic Components
Rear Hitch Hydraulic Circuit
Front Hitch Hydraulic Circuit
Three-Point Hitch Valve
Flow Control
Shuttle Valves
Three-Point Hitch Solenoids
Electrical Components
Operator Controls
Controller
Feedback Potentiometer
Solenoids
Terminal Block
Adjustments and Maintenance
Mechanical Components
Hitch Category Conversion
Top Link Adjustment
Float Adjustment
Rear Hitch Sway Blocks Sway
Position
Front Hitch Sway Adjustment
Lift Link Adjustment
Electrical System
Lowering Flow Control Adjustment
Feedback Potentiometer Adjustment
Hydraulic System Adjustments
Lift Pressure Adjustment
Flow Adjustment: Raise
Troubleshooting and Testing
Troubleshooting Chart
Electrical System Testing
Special Tools and Equipment
Terminology
Electrical Test Procedures
Controller Power Circuit
Solenoid Common Power Circuit
Raise/return Switch – Solenoid
Common Raise Circuit
Raise/return Switch – Solenoid
Common Return Circuit
Raise/return Switch – Switch Common Raise Circuit
Raise/return Switch – Switch
Common Return Circuit
Hitch Position Switch – Float
Circuit
Hitch Position Switch – Command
Current Circuit
Hitch Position Switch – Variable
Current Circuit
Rockshaft Position Switch –
Feedback Supply Circuit
Rockshaft Position Switch -Feedback Variable Current Circuit
Solenoid Common up Circuit
Solenoid Common Down Circuit
Zener Diode Circuit
Test Verification
Hydraulic Testing
Special Tools and Equipment
Test Gauge Installation
Hydraulic Test Procedure
3-Point Hitch Valve Leakage Test
Troubleshooting Chart
Overhaul and Repair
Front Hitch Removal
Front Hitch Installation
Rear Hitch Removal
Rear Hitch Installation
Section 8: Electrical System
Introduction
Specifications and Data
Special Tools and Equipment
Wiring Diagrams
Charging Circuit
How the System Works
Troubleshooting
Battery Testing
General
Load Test
Alternator Testing
General
Amperage Test
Alternator Replacement
Starting Circuit
How the System Works
Circuit Testing
Special Tools and Equipment
High Resistance Test
Testing an Inoperative Starter
Starter Motor Replacement
Cold Start Circuit
How the System Works
Troubleshooting
Circuit Testing
Special Tools and Equipment
Component and Circuit Test
Component Replacement
Thermal Sensing Switch
Replacement
Ether Discharge Valve
Replacement
Block Heater
Engine Shutdown Circuit
How the System Works
Troubleshooting
Circuit Testing
Special Tools and Equipment
Testing
Fuel Solenoid Replacement
Indication and Warning Circuits
Gauges and Indicator Lights
Speedometer/tachometer
Fuel Gauge
Engine Oil Pressure Light
Coolant Temperature Gauge
Alternator Light
Air Filter Restriction Light
Circuit Testing and Sensor
Replacement
Special Tools and Equipment
Coolant Temperature Circuit Test Temperature Sender
Replacement
Fuel Level Circuit Test
Testing Fuel Level Sender
Fuel Sender Replacement
Gauge Replacement
Lighting Circuit
How the System Works
Worklamp Adjustment
Direction Adjustment
Aim Adjustment
Hazard Flashers and Turn Signals
Protection Circuit
Exterior Lighting Fixture
Replacement
Headlamp Sealed Beam
Replacement
Hazard Warning Lamp
Replacement
Hazard Warning Lamp Body
Replacement
Taillamp Body Replacement
Windshield Wiper Motor
Removal
Blower Motor
Replacement
Three-Point Hitch
Section 9: Environmental Systems
Introduction
Specifications and Data
Torque Values
Special Tools and Equipment
How the System Works
Air Conditioning System Tests
System Performance Test
Connecting the Gauges
Testing
System Leak Testing
Discharging the System
Compressor
Compressor Removal
Compressor Overhaul
Special Tools and Equipment
Disassembly
Inspection and Repair
Assembly
Compressor Installation
Compressor Oil Check
Condenser
Removal
Repair
Installation
Evaporator/heater Core
Removal
Repair
Installation
Expansion Valve Replacement
Thermostatic Switch Replacement
Receiver/dryer Replacement
Air Conditioning Hoses and Lines
Inspection
Replacement
Evacuating the System
Charging the System
Heater Hose Replacement
Heater Valve Replacement
Section 10 – Structures
Introduction
Specifications
Special Tools
Lubrication
Cab
Frame
Articulation Bushings Removal and Inspection
Replacement of Bushings
Installation of Pivot Pins
Engine End Oscillation Cradle and Bushing
Oscillation Bushing – Removal and Inspection
Installation of Oscillation Bushings and Cradle