Troubleshooting Issues with Your Hydraulic Gear Pump
Hydraulic gear pumps are some of the most widely used mechanical systems in the world today.Pieces like the parker hydraulic pump motor have a fixed displacement design and operate by moving fluid through a system’s motor or engine. This is a crucial piece of equipment that exists within virtually every large machine. With most of your equipment relying on its correct operation, gear pump failure can critically alter your deadlines for the worst.
When your gear pumps start to show concerning signs, be sure you have a good understanding of the common issues that cause them to fail.
Increasing Noise Levels
Gear pumps are noisy in general, but louder than normal operating volume may be an indication of other problems. These include:
- Pump Cavitation.
- Low oil levels.
- Loose screws, worn coupling, or quality issues related to age.
Milky Oil Color
Milky oil colors are often related to water sources making their way into the pump. This can happen through:
- Leaks in the shell or tube heat exchanger.
- Condensation on the inside walls of the reservoir.
- Air escaping into the pump through the shaft seal, inlet line, or punctures.
Low or No Pump Flow
Pumps may start to underperform or deliver unsatisfactory results. This can be caused by:
- The shaft may be turning in wrong direction.
- A clogged intake by dirt, collapsed hoses, or other debris.
- The reservoir has a low oil level.
If any of the above diagnoses are present in your pump, talk to a mechanic or consider replacing the part. Many gear pump issues can be serious and threaten the wellbeing of your machinery.
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