Case 480C Loader Backhoe Service Manual PDF

This service manual covers the Case 480C loader backhoe. It explains the operation and servicing of the machine’s major systems and provides technical specifications, maintenance instructions, troubleshooting procedures, and step-by-step repair information, supported by hydraulic diagrams, electrical wiring diagrams, and component-specific service instructions.

The procedures are intended for qualified service personnel. Follow the manufacturer’s service instructions and specifications when performing maintenance, adjustments, and repairs.

Service and Repair Coverage

The manual includes general machine specifications, detailed engine specifications for the 188D engine, maintenance and lubrication requirements, and torque charts. The engine section covers diagnosis, tune-up, cylinder head and valve train servicing, cylinder block and piston assemblies, crankshaft and bearings, oil pump, engine removal and installation, cooling, lubrication, and engine performance testing.

The fuel system section provides service information for fuel filters, the fuel injection pump, fuel injectors, engine controls, fuel lines, and the fuel tank. These procedures support inspection, troubleshooting, adjustment, and repair of the engine’s fuel delivery components.

The hydraulic system section covers hydraulic diagrams, maintenance, troubleshooting, and pressure testing. It includes the hydraulic pump, loader and backhoe control valves, three-point hitch control valve, cylinders, selector valve, boom lock system, relief valves, pump protection valve, PTO motor, and other hydraulic components.

The steering and power train sections explain the operation and servicing of the steering pump, steering control valve, steering cylinders, front axle, power shuttle, shuttle controls, transaxle, differential lock, drive shaft, clutch, and wheels and tires. Troubleshooting procedures are included to assist with diagnosing mechanical and hydraulic faults.

The brake and electrical sections cover the braking system, self-adjusting differential brakes, electrical specifications, troubleshooting, wiring diagrams, instrument panel, battery, starter, alternator, and electrical accessories. The mounted equipment section provides service information for the loader, three-point hitch, ROPS cab and canopy, and backhoe.

This manual is a practical reference for diagnosing faults, performing routine maintenance, and carrying out service and repair work on the Case 480C loader backhoe.

Table of Contents:

SERIES/SECTION
GENERAL
General Engine Specifications - 188D Engine
Detailed Engine Specifications - 188D Engine
Maintenance and Lubrication
Torque Charts
ENGINE
Engine Diagnosis
Engine Tune-Up
Cylinder Head, Valve Train and Camshaft
Cylinder Block, Sleeves, Pistons and Rods
Crankshaft, Bearings, Flywheel and Oil Seals
Oil Pump
Engine Removal and Installation and Radiator
Air Cleaner and Spark Arresting Muffler
Engine Stall Tests with Power Shuttle
Ether Injection
Cooling System
Engine Lubrication
FUEL SYSTEM
Fuel Filters
Fuel Injection Pump
Fuel Injectors
Engine Controls, Fuel Lines and Fuel Tank
HYDRAULIC SYSTEM
Hydraulic Diagrams, Maintenance, Troubleshooting and Pressure Check
Hydraulic Pump
Loader Control Valve
Three Point Hitch Control Valve
Check Valve (Pitch Circuit)
Cylinders
Backhoe Control Valve
Dipper Extension Control Valve
Boom Lock System
Two Stage Main Relief Valve and Pump Protection Valve
Selector Valve
PTO Motor
STEERING SYSTEM
Hydraulic Diagram, Troubleshooting and Pressure Check
Steering Pump
Steering Control Valve
Steering Cylinders
Front Axle
POWER TRAIN
Troubleshooting for Power Shuttle
Power Shuttle
Shuttle Controls
Transaxle Removal and Installation
Transaxle and Differential Lock
Drive Shaft
Wheels and Tires
Clutch and Pressure Plate
Two Speed Mechanical Shuttle
BRAKES
Brakes (Pedals To Transaxle)
Self-Adjusting Differential Brakes
ELECTRICAL
Specifications and Troubleshooting
Wiring Diagrams
Instrument Panel and Instrument Cluster
Battery
Starter and Starter Solenoid
Alternator
Electrical Accessories
MOUNTED EQUIPMENT
Loader
Three Point Hitch
ROPS Cab and Canopy
Backhoe

PDF Delivery

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Printable PDF and Customer Assistance

The manual is supplied as a printable PDF file, so you can print any service procedure, technical specification, diagram, troubleshooting section, or repair instruction when needed and have it available in the workshop.

If you have questions about the manual or require assistance with your order, our support team is available to help.. Customer support is also provided after purchase.