Case 9020B Excavator Service Manual


Covers: Case 9020B Excavator (all serial numbers)
Pages: 1,093
Format: PDF
File size: 500mb
Compatibility: Windows/Mac/Tablet
Notes: Instant digital download only – no printed copy or CD-ROM media.

This professional service manual contains the service, repair and troubleshooting procedures for the Case 9020B excavator, including overhaul of the diesel engine and fuel system. View the PDF service manual on your computer or print off detailed service and maintenance as well as illustrations as needed.

Case 9020B operator’s manual and parts manual available separately. Please contact us with any questions or requests.



  • Safety
  • General Information
  • Torque Specs


  • Engine Removal and Installation
  • Radiator and Oil Cooler Removal and Installation
  • 4-390 Engine Specifications
  • Aftercooler
  • Cylinder Head and Valve Train
  • Cylinder Block
  • Lubrication System
  • Cooling System
  • Turbocharger
  • Turbocharger Failure Analysis


  • Fuel Tank, Filters and Lines
  • Injection Pump
  • Fuel Injectors
  • CAV Fuel Injection Pump
  • Bosch Fuel Injection Pump


  • Electrical Schematic and Troubleshooting
  • Battery
  • Controller


  • Tracks, Rollers and Idlers


  • Drive Motor and Final Drive Transmission
  • Swing Motor and Swing Reduction Gear


  • Cleaning the Hydraulic System
  • Hydraulic Specifications, Pressure Checks and Troubleshooting
  • Hydraulic Schematic Foldout
  • Main Hydraulic Pump
  • Main Hydraulic Control Valve
  • Cylinders
  • Hand Control Valves, Foot L/R Travel Control Valves, Foot Straight Travel Control Valve, Shuttle Valve, Travel Block and Accumulator
  • Eight Spool Solenoid Valve, Swing Lock and Swing Brake Solenoid Valve, and Free Swing Solenoid Valve
  • Cushion Control Valve
  • Hydraulic Pilot Filter, Hydraulic Inline Filter and Bypass Oil Filter
  • Hydraulic Swivel


  • Upperstructure and Counterweight
  • Boom, Arm and Bucket
  • Seat Mounting and Belt
  • Cab and Cab Equipment
  • Air Conditioning System


  • Wiring Diagram Foldout
  • Hydraulic Circuits Schematic Foldout

How does this work?

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.

Have any questions or need more details? Contact Us

SKU: CASE-9020B-SM Categories: , Tags: ,


There are no reviews yet.

Be the first to review “Case 9020B Excavator Service Manual”

Your email address will not be published. Required fields are marked *