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Question About Porter-Cable Nail Gun FN250A
re-assembling...

I had a part (piston bumper) crumble apart in my fn250a nailer.I have purchased a new one and re-assembled it back. However when I took the cylinder out to inspect the rest of the o-rings the check seal fell out. I cannot figure how it goes back in any suggestions.

Asked by joey on 03/30/2009 3  Answers

ManualsOnline posted an answer 15 years ago

The ManualsOnline team has found the manual for this product! We hope it helps solve your problem. Get the Manual Here

tom posted an answer 15 years ago

5 the cylinder has to be put through cylinder spacer, then check seal goes over the ring of holes in cylinder with skirt down,then put bumper in bottom of cylinderand put in gun all at once. Should solve problem of plunger not returning.
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joey posted an answer 15 years ago

0 Thank you very much, That corrected the problem and my nailer is in operation again. Thanks again , Joey
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