Case 780C Backhoe Loader Official Workshop Service Repair Manual
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This is the COMPLETE Official Service Repair Manual for the Case 780C Backhoe Loader.
This manual contains deep information about maintaining, assembly, disassembly and servicing your Backhoe Loaders.
This PDF file is Bookmarked and SEARCHABLE to make what you need easy to find.
which give you complete step by step operations on repair, servicing, technical maintenance & troubleshooting procedures for your machine.
this manual offers full information you need for repair your machine.
the information in this manual will enable you to find trouble and to understand how to repair and maintain your machine without going into service.
all pages are printable, so run off what you need and take it with you into the garage or workshop.
Models & Serials Covered:
8-44651
Table of Contents:
1 GENERAL
Safety Rules, Service Manual Introduction, and Torque Specifications
Maintenance and Lubrication
General Engine Specifications
Detailed Engine Specifications
2 ENGINES
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
3 FUEL SYSTEM
Fuel Lines, Fuel Tank, and Engine Controls
Fuel System and Filters
Bosch Fuel Injection Pump, Drive Gear, and Timing
Fuel Injectors
4 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
5 STEERING
Steering System Troubleshooting
Steering Control Valve and Steering Column
Steering Cylinders
Circuit Relief Valve and Check Valves
Front Axle
6 POWER TRAIN
General Transmission Information and Troubleshooting
Transmission
Transmission Controls
Drive Shaft
Differential and Planetaries
Wheels and Tires
7 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
8 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
9 MOUNTED EQUIPMENT
Air Conditioning Troubleshooting and System Checks
Air Conditioning System
Loader
Raps Cab and Canopy
Seat, Seat Belts, and Seat Support
Backhoe
Noise Control
REAR POCKET
Electrical Schematic (24 Volt System)
Instrument Cluster (12 Volt System
Main Harness (12 Volt System)
Engine Harness (12 Volt System)
Rear Harness (12 Volt System)
Cab Harness (12 Volt System)
Canopy Harness (12 Volt System)
Hydraulic Schematic
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