Case 780C Backhoe Service Manual

• Covers Case 780C Tractor Loader Backhoe (1981-1988)
• P/N 8-44651
• 1,341 pages
• Downloadable PDF format
• 398mb file size
• Works with Windows/Mac/Tablet/Mobile

The Case 780C backhoe service manual PDF includes over 1,300 pages of technical specifications, step-by-step instructions, illustrations and schematics to guide mechanics through mechanical, electrical and hydraulic repairs. The service manual was digitally reproduced from the original dealer manual into a clear, searchable PDF format and is ideal for mechanics repairing or overhauling the Case 780C tractor and loader/backhoe. In addition to all machine systems, engine/fuel repair information is included. This manual can be downloaded instantly to your computer, tablet or smartphone.

Latest edition.

Topics:

GENERAL INFORMATION

• Safety Rules, Service Manual Introduction, and Torque Specifications
• Maintenance and Lubrication
• Detailed Engine Specifications

ENGINE (INCLUDES OVERHAUL)

• Engine Removal and Installation
• Engine Accessories (Air Cleaner, Ether Injection, Turbocharger)
• Engine Stall Tests
• Cylinder Head and Valve Train
• Cylinder Block, Pistons, Rods, Camshaft, Main Bearings, Oil Seals, and Flywheel
• Lubrication System
• Cooling System
• Turbocharger
• Turbocharger Failure Analysis

FUEL SYSTEM

• Fuel Lines, Fuel Tank, and Engine Controls
• Fuel System and Filters
• Bosch Fuel Injection Pump, Drive Gear, and Timing
• Fuel Injectors

ELECTRICAL

• Removal and Installation of Electrical Components
• Electrical System Specifications and Troubleshooting
• Wiring Schematics
• Batteries
• Starter and Starter Solenoid, Nippondenso
• Alternator, Delco-Remy
• Instrument Cluster and Instrument Panel
• Alternator, Bosch

STEERING

• Steering System Troubleshooting
• Steering Control Valve and Steering Column
• Steering Cylinders
• Circuit Relief Valve and Check Valves
• Front Axle

POWER TRAIN

• General Transmission Information and Troubleshooting
• Transmission
• Transmission Controls
• Drive Shaft
• Differential and Planetaries
• Wheels and Tires

BRAKES

• Removal and Installation of Air Compressor
• Troubleshooting Charts, Operation of the Air System, Air System Diagram
• Air Compressor, Governor, Reservoir, and Relief Valve
• Brake Valve
• Brake Actuator
• Alcohol Evaporator
• Pressure Reducer Valve, Pressure Protection Valve, Clutch Cutout Valve, and Stoplamp Switch
• Brakes
• Parking Brake Control Valve and Quick Release Valve

HYDRAULICS

• Removal and Installation of Hydraulic Pumps
• Hydraulic System Schematics, Specifications, and Troubleshooting
• Cleaning the Hydraulic System
• Hydraulic Pump
• Flow Control Valve
• Loader Control Valve
• Cylinders
• Backhoe Relief Valve
• Backhoe Control Valve
• Removal and Installation of Stabilizer Control Valve
• Stabilizer Control Valve
• Boom Lock System

MOUNTED EQUIPMENT

• Air Conditioning Troubleshooting and System Checks
• Air Conditioning System
• ROPS Cab and Canopy
• Seat, Seat Belts, and Seat Support
• Loader
• Backhoe
• Noise Control

FOLDOUT PAGES

• Electrical Schematic (24V)
• Instrument Cluster (12V)
• Main Harness (12V)
• Engine Harness (12V)
• Rear Harness (12V)
• Cab Harness (12V)
• Canopy Harness (12V)
• Hydraulic Schematic

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