Title: Pressure test the test system safety relief valve.
Course: Diesel Equipment Technology III (20107-III) > Section: Hydraulics: Servicing Control Valves

Pressure testing should include following manufacturer guidelines for checking the maximum relief pressure setting of the system.

ASE 2: VIII. Hydraulics: E. Control Valves

Process/Skill Questions:

- How is the range gauge used when checking the maximum system pressure?
- Why should a safety relief valve never be replaced by a plug?
- Why should you have a proper gauge for testing the hydraulic pressure system?