Case 780 Backhoe Service Manual

Original price was: $273.97.Current price is: $64.50.

  • Covers 1971-1981 Case 780 backhoe, original series
  • P/N 9-71439
  • 808 pages
  • Downloadable PDF format
  • 118mb file size
  • Works with Windows/Mac/Tablet/Mobile

The Case 780 service manual in downloadable format includes over 800 pages of technical specs, 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 780 backhoe loader. 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.



  • Maintenance and Lubrication
  • Detailed Engine Specifications


  • General Engine Service and Removal
  • Engine Air Cleaner
  • Air Cleaner Installation, Turbocharged Engine
  • Engine Diagnosis
  • Engine Tuneup
  • Cylinder Head, Valve Train, and Camshaft
  • Cylinder Block, Sleeves, Pistons and Rods
  • Crankshaft, Main Bearings, Flywheel and Oil Seal Replacement
  • Lubrication System
  • Cooling System
  • Turbocharger Failure Analysis


  • Electric Fuel Pump
  • Fuel Tank and Fuel Lines
  • Fuel System and Filters
  • Robert Bosch Fuel Injection Pump
  • Roosa Master Fuel Injectors


  • Hydraulic System Flowmeter Tests and Pressure Checks (All Machines)
  • Loader/Backhoe Hydraulic System
  • Loader Hydraulic Diagram, Backhoe Hydraulic Diagram and Installations, Loader Control Valve, Dipper Extension Cylinder
  • Backhoe Control Valve
  • Backhoe Basic Hydraulic Installation and Control Levers
  • Hydra-Guide


  • Steering Hydraulic System
  • Front Axle


  • Clark Transmission Maintenance and Service Manual
  • General Transmission Service and Removal
  • Differential, Planetaries and Drive Shaft


  • Brake System Diagram/Operation
  • Brake System


  • Electrical System
  • Wiring Diagram, Troubleshooting the Starting and Charging Circuits, A15485 and R26136 Starters, Ether Injector Starting Aid


  • Loader
  • Loader Exploded Views, Return-To-Dig, Anti-Rollback, SN 5500550 and After
  • Backhoe
  • Boom Lock, Dipper Extension, Hydraulic Installations
  • Rollover Protective Structure

Example Service Manual PDF Download

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

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