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1377 issues

Posted by - airgunsmith HomepageUSA, Nov/12/2017 at 10:52PM


If there is no leaking I would think your piston cup is worn out or your inlet hole or seal could be plugged, another possible is the inlet seal
could have dirt on it keeping it from sealing letting the pressure leak as
you open the pump arm, what you pump in is let back out.

I would disassemble clean and reassemble. if the fix is not in the clean-up
a rebuild would be the answer.


 

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1808 Postings in 503 Threads, 807 Members, 1 users online ( 0 Members, 1 Guests )