Case 821F, 921F Wheel Loader Service Manual (Tier 4)

Original price was: $408.13.Current price is: $124.77.

Covers: Case 821F, 921F Wheel Loader

  • North America, Tier 4
  • Please contact us with your serial number if you have compatibility questions

Type: Service Manual
Language: English
Pages: 1,103
Format: PDF
File size: 126mb
Features: Bookmarked, searchable, printable
Compatibility: Windows/Mac/Tablet/Mobile

This service manual contains important information for the maintenance, troubleshooting and servicing of the Case 821F, 921F Tier 4 Wheel Loader. In this manual you will find detailed specifications, illustrations, diagrams and step-by-step procedures to properly service the machine to the factory standards.

Please note the engine repair manual is sold separately.



  • General torque specifications
  • Fluids and lubricants
  • Conversion charts


  • Engine removal and installation
  • Radiator removal and installation
  • Stall tests
  • Aftercooler
  • Air filter
  • SCR system sensors
  • SCR catalyst
  • Engine intake temperature/humidity sensor
  • DEF/Adblue system


  • Electrical specifications and troubleshooting
  • Schematics
  • Starting and charging systems
  • Power relay modules and cold starting systems
  • Engine controller
  • Return to travel – return to dig – pin engage
  • Pilot control – ride control – fan control
  • Transmission electrical
  • Instrument cluster
  • Backup alarm controls
  • Lights
  • Cab window washer and wiper system
  • Secondary steering
  • CAN communication
  • Radio and power converter
  • Air sear – cigar lighter – air conditioning compressor
  • Climate control
  • Hood raise/lower system
  • SCR system/joystick steering/misc
  • Connectors
  • Batteries


  • Removal and installation of steering components
  • Steering specifications, pressure checks and troubleshooting
  • Steering cylinders
  • Center pivot
  • Aux. steering motor and pump
  • Joystick steering system (JSS)


  • Removal and installation of powertrain components
  • Transmission specifications, pressure checks and troubleshooting
  • Error codes
  • 4 & 5 speed transmission (including disassembly/reassembly)
  • Axles
  • Driveshafts, center bearing and universal joints
  • Wheels and tires


  • Removal and installation of brake components
  • Hydraulic brake troubleshooting
  • Brake pump
  • Brake accumulators
  • Parking brake


  • Removal and installation of hydraulic components
  • Hydraulic specifications, pressure checks and troubleshooting
  • Cleaning the hydraulic system
  • Hydraulic pump
  • Loader control valve
  • Cylinders
  • Coupler solenoid locking valve
  • Ride control accumulator
  • Ride control valve


  • Air conditioning system
  • Air conditioning system service
  • Removal and installation of air conditioning and heater components
  • Loader
  • ROPS
  • Cab glass installation
  • Rear view camera installation and removal



Please note this manual is in downloadable PDF format only. If you have any questions about this product or would like to request sample pages, please contact us and reference the product name or SKU.

SKU: C-21FT4WL-SM Category: Tag: