[NSRCA-discussion] Information

[Bob Kane]

Did the check valve pull of the brass nipple, or did the brass nipple pull out of the head? The check valve is a tight press fit on the nipple, if it is still tight in the head you could replace the check valve. If the nipple pulled out, I'm not sure what you would do, maybe somebody else will chime in here.

The check valve prevents air from getting into the feed line through the injector. There must be some low throttle, high G condition or something that can cause this, but the check valve was not installed on the 140DZ series engines.
 
Bob Kane
getterflash at yahoo.com



----- Original Message ----
From: Gerald Gallagher <ggall at bellsouth.net>
To: NSRCA Mailing List <nsrca-discussion at lists.nsrca.org>
Sent: Tuesday, November 27, 2007 11:11:07 PM
Subject: [NSRCA-discussion] Information


 I have had the DZ check valve (part # YES5130 on Central hobbies exploded view of the engine) come off the top of the YS160DZ. It looks like it just came unglued from the connection that looks like it is pressed into the head. The question how do I put it back on & what kind of adhesive should I use (if that is the way to fix it) that will withstand the heat of the engine? 
 Thanks 
 I also was wondering what is it's function?
 Again thanks.
 
Jerry Gallagher


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