Case 780B Backhoe Loader Official Workshop Service Repair Manual
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This is the COMPLETE Official Service Repair Manual for the Case 780B 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:
9-69310
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 Diagnosis – See Section 2201
Engine Tune-Up
Engine Stall Tests
Engine Removal and Installation, Front Engine Support, and
Hydraulic Pump Coupling
Engine Accessories (Air Cleaner, Radiator, and Cold Start System)
Cylinder Head, Valve Train, and Camshaft
Cylinder Block, Sleeves, Pistons, and Rods
Crankshaft, Main Bearings, Flywheel, and Oil Seals
Lubrication System with Front Mounted Oil Pump
Lubrication System with Two Gear Balancer and Oil Pump
Cooling System
Turbocharger
Engine Diagnosis
Reconditioning Engine Cylinder Block
Turbocharger Failure Analysis
3 FUEL SYSTEM
Fuel System and Filters
Robert Bosch Fuel Injection Pump
17 mm fuel Injectors
Fuel Lines, Fuel Tank, and Engine Controls
Electric Fuel Pump
4 ELECTRICAL
Electrical System Troubleshooting
Wiring Diagrams
Battery
Starter
Alternator
Instrument Cluster and Instrument Panel
5 STEERING
Steering System Troubleshooting
Steering Control Valve and Steering Column
Steering Cylinders
Relief Valve and Check Valve
Front Axle
6 POWER TRAIN
General Transmission Information and Troubleshooting
Transmission ar.d Torque Converter
Transmission Controls
Drive Shaft
Differential and Planetaries
Wheels and Tires
7 BRAKES
Troubleshooting and General Information for the Air System Air Compressor and Governor
Air Compressor and Governor
Air Reservoir and Relief Valve
Brake Valves (Treadles)
Brake Actuators
Alcohol Evaporator
Pressure Reducer Valve, Pressure Protection Valve, Double Check Valve,
and Clutch Cutout Valve
Brakes and Brake Adjusters
Parking Brake Control Valve and Quick Release Valve
8 HYDRAULICS
Hydraulic System Diagrams, Maintenance, Troubleshooting, and Pressure Checks
Cleaning the Hydraulic System
Hydraulic Pump
Flow Control Valve
Loader Control Valve
Loader and Backhoe Cylinders
Backhoe Relief Valve
Backhoe Control Valve
Stabilizer Control Valve
Boom Lock
9 MOUNTED EQUIPMENT
Air Conditioning Troubleshooting
Air Conditioning System
Loader
Cab and Canopy
Operators Seat and Seat Belts
Backhoe
Decals and Painting
Noise Control
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