Identification should include
- following the manufacturer troubleshooting guide for the hydraulic system
- using all required tooling and parts
- determining any action.
Identification may indicate possible causes including
- low oil level
- wrong oil
- aeration and cavitation of the pump
- faulty or dirty cooler
- worn cylinder seals
- damaged cylinders.
ASE 2: VIII. Hydraulics: B. Pumps
Process/Skill Questions:
- What are the causes for aeration and cavitation of the hydraulic pump?
- What procedures need to be performed if a hydraulic pump fails and sends metal through the hydraulic system?
- What are the signs of an overheated hydraulic pump?