RH Sheppard

Sheppard® Service Bulletins and Manuals

Service Manual (PDF Links)

M Series Manual

D Series Manual

92 Series Service Manual


Service Bulletin (PDF LINKS)

Troubleshooting Checklist

Approved Fluid List

Seal Kit List (July 2020)

Parts Order Form

Preventative Maintenance Instructions

Seal Kit Installation Instructions

Power Steering Internal Leakage Test Procedure

Instructions for Installing Steering Gears

Kenworth Medium Duty Bleeding Procedure


Troubleshooting Checklist

  • Chock the vehicle before beginning any work. Adhere to all safety guidelines outlined in the steering gear service manuals or from your vehicle manufacturer. Before proceeding with the following tests, check all mechanical and external conditions before hydraulic testing. Do not remove the steering gear or pump until hydraulic tests are completed and an authorized number has been received from Sheppard.

  • Date Format: MM slash DD slash YYYY
  • HYDRAULIC TESTS:

    Refer to RH Sheppard service information available on line and in the Sheppard® steering gear Service Manuals. Do not remove the steering gear! Install a pressure and flow tester in the pressure line from the pump to the gear as outlined in the Diagnosis and Troubleshooting Section. Record the following information:

  • Degrees F (Tests should be run at about 180F)
  • PSI
  • PSI
  • PSI
  • PSI
  • GPM
  • GPM
  • GPM
  • GPM
  • PSI
  • PSI
  • PSI
  • PSI
  • PSI
  • PSI
  • PSI
  • GPM
  • PSI
  • GPM
  • In. Lbs
  • In. Lbs