Pressure test a Lower

mav6759

Chief Petty Officer
Joined
Jun 25, 2007
Messages
489
Can any answer some questions for me. What does it mean by pressure test a lower unit. What are you looking for when you have this done. And for what reason would you have this done.

Mav6759
 

samo_ott

Vice Admiral
Joined
Jun 18, 2006
Messages
5,125
Re: Pressure test a Lower

Pressure testing a LU is done to ensure all the seals are good or to find bad ones. The way it is done is to drain the LU of oil and then hook up an adapter to an air supply with low pressure in it (~10psi I believe) and then listen/look for any telltale leaks at all the seals.
 

mav6759

Chief Petty Officer
Joined
Jun 25, 2007
Messages
489
Re: Pressure test a Lower

Thank you so much, so pressure testing is used for leaks in the LU.
 
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