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Pay atttention!

 
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viperdoc(at)mindspring.co
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PostPosted: Fri Jun 07, 2013 7:38 am    Post subject: Pay atttention! Reply with quote

pay attention to the direction that the check valve orientation to air flow direction. The arrow is the clue.
Doc

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mark.bitterlich(at)navy.m
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PostPosted: Fri Jun 07, 2013 12:09 pm    Post subject: Pay atttention! Reply with quote

What are you talking about Doc?

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viperdoc(at)mindspring.co
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PostPosted: Fri Jun 07, 2013 3:55 pm    Post subject: Pay atttention! Reply with quote

both the RU and the CJ check valves have arrows on them to indicate the direction of air flow through the check valve. You need to replicate that direction when swapping out the 'cJ check valves or you will either over pressure the compressor if the error is on the check valve from the compressor.
Doc

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On Jun 7, 2013, at 3:06 PM, "Bitterlich, Mark G CIV NAVAIR, WD" <mark.bitterlich(at)navy.mil> wrote:

[quote]

What are you talking about Doc?

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mark.bitterlich(at)navy.m
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PostPosted: Sat Jun 08, 2013 7:57 am    Post subject: Pay atttention! Reply with quote

Ok Doc. In the picture the things with the arrows on them are the check
valves. Regarding check valves, I have seen three different types.
Early YAK-50, Late YAK-50 and YAK-52. Then there are the ones that are
on the CJ-6, which makes FOUR different types. They all perform the
same function, and Western made replacements are available...a check
valve is a check valve. The Coy's can rebuild these.

The item on the RIGHT side of the picture is the Pressure Relief or
POP-OFF valve. The top piece on that is threaded and is what you use to
adjust the pressure regulation. Screw it tighter, higher pressure.
Unscrew it, less pressure.

If you take the top piece off, remove the piston and spring, then take
Doug Sapp's CJ-6 assembly and simply screw off the top of it, and then
remove it's piston and spring, all three pieces can then screw back into
the original YAK pop-off valve.

Mark
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