Case 721 Loader Service Manual


Covers: Case 721 Wheel Loader (1989-1992)
Pages: 1,470
Format: PDF
File size: 363mb
Compatibility: Windows/Mac/Tablet
Notes: Instant digital download only – no printed copy or CD-ROM media.

This downloadable professional-grade service manual is the latest edition and contains 1,400+ pages of service information for the Case 721 loader. Troubleshooting, removal, disassembly, inspection and installation procedures, and complete specifications and torque references can be found in most sections. View the PDF service manual on your computer or print off detailed repair and maintenance instructions as needed. This is the same manual used by professional mechanics and contains comprehensive OEM information for the loader.



  • Loctite Product Chart
  • Standard Torque Specs
  • Fluids and Lubricants


  • Engine Removal and Installation and Radiator Removal and Installation
  • Stall Tests
  • Specification Details
  • 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 System and Filters
  • Fuel Injection Pump and Drive Gear
  • Fuel Injectors


  • Specifications, Schematics, Troubleshooting, and Using Booster Batteries to Start the Engine
  • Starter and Starter Solenoid – Denso/Delco Remy
  • 45 and 65 Amp Alternator
  • Batteries
  • Instrument Cluster


  • Removal and Installation of Steering Components
  • Steering Troubleshooting and Pressure Check
  • Steering Control Valve
  • Flow Control Valve
  • Steering Cylinder
  • Center Pivot
  • Auxiliary Steering Pump, Valve
  • Auxiliary Steering Motor, Pump


  • Removal and Installation of Components
  • Transmission Specifications and Troubleshooting (ZF Transmission with Clark or ZF Shifter)
  • Transmission Repair
  • Differential and Planetary Repair
  • Drive Shafts, Center Bearing and Universal Joints
  • Wheels and Tires


  • Removal and Installation of Brake Components
  • Specifications, Schematic, Troubleshooting, Leakage Tests and Adjustments
  • Air Compressor and Governor
  • Brake Valve
  • Brake Actuator
  • Pressure Reducing Valve and Pressure Protection Valve
  • Parking Brake (Drum, Disc)
  • Disc Brakes (Goodyear, Carlisle)
  • Air Dryer


  • Removal and Installation of Components
  • Hydraulic Specifications, Schematics, Troubleshooting, and Pressure Checks
  • Cleaning the Hydraulic System
  • Hydraulic Pump
  • Loader Control Valve
  • Cylinders
  • Remote Control Valves
  • Pressure Regulator Valve and Accumulator


  • Air Conditioning Troubleshooting and System Checks
  • Discharging and Charging the Air Conditioning System
  • Removal and Installation of Air Conditioning Components
  • Compressor and Clutch
  • Loader
  • ROPS Cab and ROPS Canopy
  • Seats and Seat Belts
  • Suspension Seat
  • Pedals and Levers

Case 721 Wheel Loader Service Manual Sample Pages


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It’s simple – after purchasing this manual through our secure checkout, a download link will be sent to the email address you specify at checkout. You have up to 90 days to retrieve and save the file. Once saved, the manual is yours for good.

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SKU: CASE-721-SM Categories: , Tag:


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