Case 780C Tractor Loader Backhoe Service Manual

$447.02 $109.99

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SKU: OM-0202 Categories: , Tags: ,
  • Covers Case 780C Tractor Loader Backhoe (1981-1988)
  • P/N 8-44651
  • 1,341 pages
  • Downloadable PDF format
  • 398mb – high speed internet required
  • Works with Windows/Mac/Tablet/Mobile

The Case 780C Tractor Loader Backhoe Service Manual includes specifications, step-by-step instructions and accurate illustrations to aid mechanics with any mechanical, electrical or hydraulic repairs. The complete service manual was carefully reproduced from the original dealer manual and is a must for mechanics repairing or rebuilding the Tractor Loader Backhoe to the manufacturer’s standards. This service manual is also referred to as the shop manual or repair manual. View the service manual on your computer or print off pages as needed.

Topics in the Case 780C Tractor Loader Backhoe Service Manual:


  • Safety Rules, Service Manual Introduction, and Torque Specifications
  • Maintenance and Lubrication
  • General Engine Specifications
  • 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
  • Loader
  • Rops Cab and Canopy
  • Seat, Seat Belts, and Seat Support
  • Backhoe
  • Noise Control


  • 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

Example from one of our manuals (actual manual contents may vary):

Example Service Manual PDF Download

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