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Gear pump failed delivery

A new gear pump install on a system and it did not deliver oil, what would be the most likely problem?

asked 23 May '17, 23:06

May 23, 2017, 11:06 p.m.
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edited 23 May '17, 23:16

One Answer:
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Check following:

  • Direction of rotation. In case of 3-phase el motor it could be wrongly reconnected.

  • Lack of oil. Check suction line valves layout and oil tank level. Check filters for clogging.

  • Air leak in suction. Check if all required gaskets/o-rings installed.

  • Pressure control/relief valve settings. Check if it is not bypassing oil.

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answered 23 May '17, 23:15

May 23, 2017, 11:15 p.m.
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