Repair Manual For Ford New Holland 8670A, 8770A, 8870A, 8970A Tractors. Illustrations, instructions, diagrams, step by step remove and install, assembly and disassembly, service, inspection, repair, troubleshooting, tune-ups.
Format: PDF
Language: English
Pages: 2105
Bookmarks: Yes
Searchable: Yes
Number:
Wiring Diagrams: Yes
Hydraulic Diagrams: Yes
Model
Ford New Holland
8670A, 8770A, 8870A, 8970A
Contents
- – General Information
Contents
Foreword
Precautionary Statements
Safety Precautions
Health And Safety Precautions
Tractor Identification
Service Techniques
Sealer Specifications
Hardware Torque Values
Lubrication
Recommended Lubricants And Coolants - – Engine
Specifications
Torque Values
Grease And Sealants
Special Tools
Description Of Operation
Cylinder Head Assembly
Camshaft Assembly
Crankshaft Assembly
Connecting Rods
Pistons
Manifolds
Cylinder Block Assembly
Timing Gears
Engine Lubrication
Troubleshooting
Disassembly And Repair
Cylinder Head
Cylinder Head Reassembly
Additional Information
Crankcase Front Cassette Seal
Parts Affected
Additional Information
Removal Of Old Style Seal And Installation Of The New Cassette Seal
Front Cassette Seal Removal
Engine Front Cover And Timing Gear
Connecting Rods, Bearings, Pistons And Rings
Cylinder Block Overhaul
Piston Assembly Installation
Main Bearings, Flywheel And Crankshaft
Rear Cover Plate
Oil Pump
Oil Filter Support Assembly
Crankshaft
Camshaft
Engine Timing Gears
Engine Compression Test
Test Procedure
Test Reading
Test Conclusion
Cooling System
Troubleshooting
Disassembly And Repair
Radiator
Thermostat
Temperature Warning Sender
Fan Blade
Viscous Clutch Assembly
Fan Belt Tensioner
Idler Pulley
Waterpump
Turbocharger
Intercooler
Troubleshooting
Intercooler Leak Test
Disassembly And Repair
Air Cleaner
Turbocharger
Intercooler
Fuel System Torque Chart
Special Tools
Description Of Operation
Testing And Diagnosis
Low-Pressure Fuel System
Fuel Tank Valve(S)
Filter Inlet And Outlet Pressure Tests
High-Pressure Fuel System
Injection Timing Check
Fuel Injector Nozzle Check, Engine Running
Injector Assembly Bench Testing
Preliminary Setup Procedure
Perform Opening Pressure Test
Perform Nozzle Seat Leakage Test
Perform Chatter And Spray Pattern Test
Surging
Fuel Shutoff Diagnosis
Shutoff Solenoid Specifications
Preliminary Checks
Checking Electrical Feed
Adjustments
Bleeding The Fuel System
Adjustment Of Foot And Hand Throttle Cables
Adjustment Of High Idle Speed
Adjustment Of Low Idle And Antisurge
Removal And Installation
Fuel Lift Pump
Fuel Shutoff Solenoid
Fuel Injection Pump
Fuel Injection Lines
Low-Pressure Fuel Injection Lines
High-Pressure Fuel Lines
Injector Leak-Off Line
Fuel Filter
Fuel Filter Manifold
Injection Nozzles
Lower Tank Removal
Lower Tank Installation
Top Tank Removal
Top Tank Installation - – Transmission
Powershift Transmission
Gearratios
Ground Speed
Electrical System
Description Of Operation
Transmission Housing
Powershift Transmission Controls
Digital Display
Inching Pedal
Starting The Engine And Moving Forward
Starting The Engine And Moving In Reverse
Shuttle Operations
Speed Matching
Auto Shift
Creeper Gears (Optional)
Programmable Upshift – Downshift
Transmission Components
Clutches
Speed Clutches
Directional Clutches
Clutch Engagement
Troubleshooting And Diagnosis
Disassembly And Repair
Engine And Side Rail Separation From The Transmission
Four-Wheel Drive Shaft Removal (If Equipped)
Engine And Side Rail Reassembly
Rear Housing And Directional Clutches – Removal
Front Housing And Speed Clutches – Removal
Main Input Gear Assembly – Removal
Speed Clutches – Disassembly
Speed Clutches – Inspection
Directional Clutches – Disassembly
Directional Clutches – Inspection And Overhaul
Speed Clutches And Directional Clutches – Reassembly
Main Input Gear And Oil Seal – Disassembly Inspection, Overhaul And Reassemble
Two Gear Clusters In Front And Rear Housing -Disassembly, Inspection And Reassembly
Front And Rear Housings And Center Section -Inspection And Overhaul
Torque Limiting Clutch And Sprung Damper Hub Drive Assembly – Removal, Inspection And Replacement
Reassembly
Speed Clutches And Front Housing
Directional Clutches And Rear Housing
Transmission Shimming
Front Housing Shimming
Rear Housing Shimming
Shimming The Output Shaft
Creeper Gear
Creeper Gear Repair
Specifications
Low-Pressure Hydraulic System
Special Tools
Description Of Operation
Regulator Valve Operation
Clutch Valve Operation
Modulator Valve Operation
Electro-Hydraulic Pilot Line
Troubleshooting And Diagnosis
70/70A Series Transmission Test Sheet
Electrical7Electronic System Checks
70/70A Series Transmission Test Sheet Hydraulic System Checks
Clutch Apply Pressure Chart
Pressure Testing And Adjustments
Clutch Apply Circuit Pressure Testing
Transmission Pressure Checklist
Transmission Programming
Programming The Programmable Upshift, Downshift
Programming Reverse Gear Ratios
Transmission Calibration
Check Powershift Transmission Clutch Calibration
Calibration Review
Calibrate Directional Clutch
Calibrate Reverse Directional Clutch
Calibration Mode
Calibration Of Shift Constant
Disassembly And Repair
Removal And Disassembly
Removal Of The Complete Valve Assembly From The Tractor
Disassembly
Solenoid And Valve Assembly
Speed And Directional Clutch Circuit Valves
Modulator Valves
Regulator Valve
Lubrication And Cooling Circuit Relief Valve
Electrical System
Description Of Operation
Clutch Apply Circuits
Modulation Solenoids
Shift Control Lever
Inching Pedal
Speed Sensors
Display Module
Troubleshooting And Diagnosis
Transmission Solenoid And Pressure Testing
Disassembly And Repair
Control Valve Solenoids
Speed Sensors
Chassis Control Module (Ccm)
Inching Pedal Switches
Transmission Shift Control - – Drive Lines
70 Series Fwd Electric Control Operation
70A Series Fwd Electric Control Operation
Engaging And Disengaging Four Whee Drive
Fwd Operating Precautions - – Front Mechanical Drive
Wheel ToeIn
Fwd Steering Stop
Hub Bearing Preload Adjustment
Check For Correct Pinion To Ring Gear Tooth Contact
Wrong Tooth Contact Pattern
Swivel Pin Bearing Adjustment
Fwd Ratios
Fwd Tire Vs Gear Ratios
Four Wheel Drive Lead Factor
Front Axle Serviceability
Lubrication
Disassembly And Repair
Front Axle
Steering Cylinders
Planetary Reduction
Hub
Swivel Housing
Center Housing Swivel Bearing
Drive Shaft
Outer Yoke
Differential
Crown Wheel To Backlash Adjustment - – Rear Drive Axle
Differential Carrier
Final Reduction Drive
Differential Lock Mechanical Operation
Differential Lock Control System Operation
Differential Lock Electrical Circuit Operation
Differential Lock Hydraulic Circuit Operation
Front Axle Differential Line
Troubleshooting
Adjustments
Disassembly And Repair
Axle Assembly
Axle Housing
Planetary Overhaul
Axle Seal
Top Cover
Pinion Assembly
Differential Lock Solenoid
Pressure Testing
Circuit Pressure Test - – Power Take-Off
Power Flow All Models
Engaging And Disengaging The Pto
Troubleshooting And Diagnosis
Disassembly And Repair
Pto Assembly Removal And Installation
Upper Pto Input Shaft Removal And Installation
Pto Output Shaft And Driven Gear Overhaul
Pto Clutch Assembly Overhaul - – Brakes And Controls
Boosters
Master Cylinders
Rear Axle Brake Assemblies
Four Wheel Braking
Troubleshooting
Bleeding The Brakes
Brake Pedal Adjustment
Brake Switch Adjustment
Disassembly And Repair
Power Brake ValveOverhaul
Installation Of The Brake Lube Kit
Rear Axle BrakesOverhaul
Hydraulic Trailer Brake - – Hydraulic Systems
Closed Center Load Sensing (Ccls) Pump And Remote Valve System
Standard Flow Hydraulic System
Megaflow Hydraulic System
Variable Displacement Pump
Priority Flow Divider
Remote Control Valves
Standard Flow Tractors
Megaflow Tractor
LowPressure Return Circuit - – Steering
Steering System Control Valve
Steering Control Valve Types
Steering Cylinders
Troubleshooting
Removal And Disassembly
Steering Control Valve
Parts Inspection
Assembling The Steering Control Unit
Installing The Steering Control Valve - – Two-Wheel Drive Axle And Wheels
Front Wheel Track Spacing
Axle Adjustment
Front Wheel Position
Front Wheel Toein
Disassembly and Repair
Axle Removal
Axle Installation
Axle Center Beam Bushing Replacement
Axle Extension Installation
Spindle Removal and Disassembly
Axle Extention/Spindle Bushing Replacement
Spindle Reassembly
Front Wheel Bearing
Steering Cylinder
Center Steering Arm
Steering Rod - – Climate Control
Tightening Torques
Description Of Operation
Air Conditioning System Components
Troubleshooting And Servicing Air Conditioning System
Primary Troubleshooting And Testing
Diagnosis Chart
A/C System Performance Test And Diagnosis Chart
Component Removal And Installation - – Electrical Systems
Main Distribution Panel
Service Diagnostics
Electronic Instrument Cluster (Eic)
Central Lcds
Tractor Performance Monitor
Automatic Engine Shutdown
Series Indicator, Warning Lamps And Audible Alarm
Air Filter Restriction
Differential Lock
Cold Start Assist
Coolant Level Low
Alternator Charge Indicator
Intercooler Overheated
Transmission Pressure Low
Transmission, Rear Axle/Hydraulic Oil Temperature
Hydraulic/Transmission Filters Restricted
Pto Engaged
Programmable Up Shift
Programmable Down Shift
Fwd On
Fwd Auto
Four Wheel Drive (Fwd) Switch (If Equipped)
Headlight High Beam
System Status
Parking Brake
Bar Graph Displays (Lcd)
Stop And Audible Alarm Conditions
Central Display (Lcd)
Lower Selectable Display
Electronic Instrument ClusterTractor Performance Monitor (Tpm)
Automatic Display Information
Selectable Display Information
Eic Lighting Display
Troubleshooting And Diagnostics
Eic Harness Tool
Operator Calibrations
View Stored Fault Codes
All Module Input Parameters
Eic Output Diagnostics
Rhc Output Diagnostics
Edc Output Diagnostics
Etc Output Diagnostics
Eic Full Display Test
Hardware/Software Revision Level
Transmission Calibration Review And Programming
Point Hitch And Edc Calibration
Tractor Features Configuration
Steering Angle Sensor Operation/Calibration (A Series) - – Platform, Cab, And Bodywork
Headliner
Cab Trim
Seat
Door Removal
Rear Window
Instrument Cluster
Steering Column
RightHand Console
Procedures For RightHand Console Upgrade
What you get
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