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pcp maintainence

Posted: Mon Aug 26, 2013 3:06 pm
by andy_65_in
is it mandatory to fire or even dry fire a pcp say once every 10 days or so if its in a long state of disuse just to keep the seals alive and working.why is not IFG in facebook :(

Re: pcp maintainence

Posted: Mon Aug 26, 2013 5:16 pm
by fantumfan2003
YES...

M.
andy_65_in wrote:is it mandatory to fire or even dry fire a pcp say once every 10 days or so if its in a long state of disuse just to keep the seals alive and working.why is not IFG in facebook :(

Re: pcp maintainence

Posted: Tue Aug 27, 2013 11:48 am
by essdee1972
IFG is on FB. Much more participation here, though!

Re: pcp maintainence

Posted: Tue Aug 27, 2013 6:41 pm
by dr.jayakumar
i feel it is not necessary if you keep the cylinder empty.
regards
dr,jk

Re: pcp maintainence

Posted: Tue Aug 27, 2013 9:22 pm
by mercury
if you leave your pcp for long periods of time in disuse , it is recommend that they are stored with air in the cylinder, this apparently helps to keep the seals airtight.

Disclaimer....I am clueless on pcp's....this advice is from a friend who owns one.

Re: pcp maintainence

Posted: Wed Aug 28, 2013 9:07 am
by andy_65_in
dr.jayakumar wrote:i feel it is not necessary if you keep the cylinder empty.
regards
dr,jk
dr jay this statement is a bit confusing- i mean what is correct-is the cylinder to be empty without any air

Re: pcp maintainence

Posted: Wed Aug 28, 2013 9:59 am
by dr.jayakumar
yes,you have keep your cylinder emty.thats why they give a small device to let our air from your pcp when not in use for long time.
regards
dr.jk

Re: pcp maintainence

Posted: Wed Aug 28, 2013 10:25 am
by airgun_novice
dr.jayakumar wrote:yes,you have keep your cylinder emty.thats why they give a small device to let our air from your pcp when not in use for long time.
regards
dr.jk
The nipple's provided for you to remove air from the cylinders in case you wish to transport the cylinders in confined public spaces where changes in ambient pressure can lead to disastrous consequences. e.g. airplane or sub-terrain tunnels. At 200 bar, the cylinder pressure is about 100 times that of the typical car tire pressure.

As for my AR Daisy Powerline 856 which is multi-pump, it was recommended that it be stored with 2-3 pumps and a drop of oil which would form a protective layer on the seal. Left on its own, I suppose the seal would expand-contract based on surrounding temperature leading to flaws in its structural integrity. Unless the seal is 100% ideal (which it never is), the pumped air would also continue to seep out due to temperature fluctuations, hence "pump periodically". I think similar precaution ought to be taken for PCP with detachable cylinders too. In case they are kept separated from the power plant/ AP/ AR, it might be a good idea to have a thin coating or film of oil (periodically) in the slot where the cylinder fits in, though the gun is stored in "cool dry place" as is usually recommended. I follow this principle in dealing for prolonged period with my multi-pump AR and FWB P34 AP.

regs
A.

Re: pcp maintainence

Posted: Sun Oct 27, 2013 8:42 am
by andy_65_in
i am looking for .177 pullthrough-where can i find it