Case 9050B Excavator Service Manual


Covers: Case 9050B Excavator (all years)
Pages: 784
Format: PDF
File size: 94mb
Compatibility: Windows/Mac/Tablet
Notes: Instant digital download only – no printed copy or CD-ROM media.

Downloadable service manual containing service, repair and troubleshooting procedures for the Case 9050B excavator. View the PDF service manual on your computer or print off detailed service and maintenance as well as illustrations as needed.

Mitsubishi 6D22T engine repair sold separately.


General Information

  • Safety, General information and Standard Torque Specs
  • Specifications
  • Loctite Product Chart


  • Engine Removal and Installation
  • Radiator, Oil Cooler and Cooling System Reservoir
  • Fuel Tank, Filters and Lines


  • Electrical Specifications and Troubleshooting
  • Electrical Schematic Foldout
  • Battery Testing, Maintenance and Booster Battery Connections
  • Controller


  • Tracks, Rollers, and Idlers

Power Train

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


  • Cleaning the Hydraulic System
  • Hydraulic Specifications, Troubleshooting and Pressure Checks
  • Hydraulic Schematic Foldout
  • Main Hydraulic Pump
  • Main Hydraulic Control Valve
  • Cylinders
  • Hand Control Valves, Foot Left and Right 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, Free
  • Swing Solenoid Valve, and Quick Change Solenoid Valve
  • Cushion Control Valve
  • Auxiliary Hydraulics
  • Hydraulic Pilot Filter, Hydraulic lnline Filter, and Bypass Oil Filter
  • Hydraulic Swivel

Mounted Equipment

  • Upperstructure and Counterweight
  • Boom, Arm and Bucket
  • Operator’s Seat, Operator’s Seat Bracket and Sea Belts
  • Cab and Cab Equipment
  • Air Conditioner Troubleshooting and System Checks
  • Air Conditioner Components Removal and Installation
  • Air Conditioner Component Service

9050B Schematics

  • Electrical Wiring Diagram Foldout
  • Hydraulic Circuit Diagram 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-9050B-SM Categories: , Tags: ,


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