Case 780C Backhoe Service Manual

Original price was: $447.02.Current price is: $84.50.

  • 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.



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


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


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


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


  • 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


  • 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


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


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

Example Service Manual PDF Download

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SKU: CASE-780C-SM Categories: , Tags: ,


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