- Excavators are built for heavy-duty work, and at the heart of their performance lies the hydraulic pump. When this pump starts to fail, even a minor issue can slow down operations or cause complete machine downtime. Operators who understand the usual problems can often spot trouble early and avoid expensive repairs.
- Here are seven common issues you’ll come across:
- 1. Low Pressure – Usually linked to leakage inside the pump or seals that have worn out.
- 2. Overheating – A filter that is dirty or the incorrect type of oil are often reasons the pump is running hotter than normal.
- 3. Strange Noises – Air bubbles, cavitation, or parts that have come out of alignment can cause whining, rattling, or vibrations.
- 4. Sluggish Response – When the machine feels sluggish, it may be due to low oil or a blocked hydraulic line.
- 5. Oil Leaks – Typically, a crack in a hose, a weak fitting, or bad seal, account for leaking oil.
- 6. Worn Parts – Running on old oil or contaminated oil can cause the wear on pump parts to happen faster.
- 7. Sudden Failure – If the machine is neglected for too long, it could totally fail and simply stop working.
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- Regular servicing, clean oil, and timely inspections are the best way to ensure that an excavator hydraulic pump is taken care of and works properly.
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