Factory Service Manual For New Holland AD250 Dump Truck. Manual Contains Illustrations, Instructions, Diagrams For Step By Step Remove And Install, Assembly And Disassembly, Service, Inspection, Repair, Troubleshooting, Tune-Ups.

Format: PDF
Language: English
Pages: 600
Number: 6045614101
Bookmarks: Yes
Searchable: Yes
Wiring Diagrams: Yes

Model

New Holland Articulated Dump Truck
AD250

Contents

-MAINTENANCE
General Instructions
Specifications
Tooling
Numerical Value Conversion Table
Safety Instructions
-ENGINE-ENGINE OVERHAUL
External View Of Engine
Engine Air Intake System
Engine Fuel Supply System
Engine Cooling System
Thermostat Operation And System Layouts
Coolant Circulation Inside The Engine
Engine Removal – Refit
Checks And Inspections
Radiator Removal – Refit
Refit And Circuit Refill
Anti-Freeze Percentage Check
Water – Lubricant Exchanger Removal – Refit On Automatic Transmission
Engine – Periodical Replacement
Engine Oil Replacement
Engine Oil Filter Replacement
Engine – Adjustments And Checks
Preliminary Operations
Valves Clearance
Belts
Climate Control Compressor Drive Belt
Intake Manifold Pressure Check
Intake Manifold Temperature Check
Engine – Partial Removal – Refit
Preliminary Operations
Water Pump
Coolant Thermostat
Tightener
Fuel Feed Pump
Injectors
Injection Pump
Intake Manifold Cover And Gasket
Aftercooler And Gasket
Turbocharger
Exhaust Manifold And Gaskets
Lubrication Oil Pressure Regulator, Valve And Spring
Lubrication Oil Thermostat
Lubrication Oil Heat Exchanger Element And Gasket
Starter Motor
Alternator
-TRANSMISSION
Drive Shaft
Gearbox
Pressure Check and Troubleshooting
Transmission Control Valve
-FRONT AXLE-OVERHAUL
Description
First Reduction: Bevel Gear Pair
Second Reduction: Hub And Epicyclic Train
Axle
Epicyclical Reduction Gears
Epicyclical Reduction Gears
Axle Removal – Refit
Knuckle Hinge Strip Down
Axle – Hinge Strip Down
Checking Axle/Transfer Case Oil Level
Changing Axle/Transfer Case Oil
Epicyclical Reduction Gear
Checking The Dismantled Parts
Checking The Dismantled Parts
Break-Down Drawing Of Self-Locking Differential
Break-Down Drawing Of Pinion
-REAR AXLE
Intermediate Axle
Rear Axle
-BRAKES-BRAKE OVERHAUL
Specifications
Torque Specifications
Special Tools
Description
Troubleshooting
Overhaul
-HYDRAULIC SYSTEM-HYDRAULIC CIRCUITS AND COMPONENTS
Hydraulic System
Main Hydraulic System
Steering – Tipping
Main Hydraulic System
Steering – Tipping
Main Hydraulic System
Brakes
Hydraulic System Diagram
Main Hydraulic Pump
Brake Hydraulic Pump
Steering Emergency Electro-Pump
Tipper Cylinders
Tipper Control Distributor
Power Steering
Counterbalancing Valve
Flow Amplifier
Maintenance
Changing Hydraulic Oil
Replacing Pressurised Oil Filter (Pump Outlet)
Replacing Inner Hydraulic Oil Filter (Intake)
Changing Hydraulic Brake Oil Filter
Checking Fitting And Pipe Tightness
Bleeding The Hydraulic System
Checks And Verify
Hydraulic Pressure Test Point
Main Pressure Test Point
Steering Pressure Test Point
6Wd Pressure Test Point
Main Pump Removal – Refitting
Brake Pump Removal – Refitting
Pump Removal – Refitting
Rate Of Flow Amplifier Removal – Refitting
Steering Valve Removal – Refitting
Tilt Valve Removal – Refitting
Steering Cylinder Removal – Refitting
Tilt Cylinder Removal – Cylinder
-STEERING SYSTEM
-STEERING SYSTEM-STEERING CIRCUIT
Description
Troubleshooting
Steering Valve
-WHEELS-TIRES AND WHEELS
Specifications
Torque Specifications
Troubleshooting
Description
Replacing A Complete Wheel
Tire And Wheel Checks
-SUSPENSION-SUSPENSION OVERHAUL
Specifications
Torque Specifications
Special Tools
Description
Troubleshooting
Suspension Cylinder
-ELECTRICAL SYSTEM-WIRING DIAGRAM
Technical Data
International System Units (S.L.)
Main Elements – Resistivity And Temperature Coefficient
Resistor Color Codes
General Instructions
General Precautions
General Precautions For Electronic Components
The Concept Of Earth And Electromagnetic Compatibility
Practical Hints
Cable Color Codes
Identification Of The Electric Function By The Cable Color Code
Control Units Location
Transmission Control Unit
Interconnection Control Unit
Fuse
Teleruptors
Lay-Out Electrical System
-CAB AND CHASSIS
Cab And Chassis
Body