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Precision Airmotive recommends a little different
procedure.Servo outlet capped,mixture rich,throttle open,boost pump on.
precisionairmotive.com rsa service bulletin RS-20 rev2
Gene Martin
----- Original Message -----
Sent: Wednesday, November 02, 2011 11:17
AM
Subject: [LML] Re: rsa-5 fuel servo
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If you are running
the aux pump on shut down, that would cause it. It is real easy to test
the diaphragm......if you did it right, you leave the mixture in idle
cut off and turn on the pump......if it leaks out of the impact tubes it
is a bad diaphragm. The other thing it that the fuel spider on top of
the engine is springloaded, so that when pressure stops it shuts off the
fuel completely. If that is messed up , it will continue to flow fuel to
the cylinders........engine usually keeps running for a few seconds
after mixture is pulled to cut off......
Paul
Hershorin
471LA
--- On Tue, 11/1/11, Doug Baleshta
<DBaleshta@tru.ca> wrote:
From:
Doug Baleshta <DBaleshta@tru.ca>
Subject: [LML] rsa-5 fuel
servo
To: lml@lancaironline.net
Date: Tuesday, November 1, 2011,
4:49 PM
I have an IO-360, with a forward facing RSA-5 fuel servo (90
degree bend from airflow performance). After doing a
few initial runs, I'm getting significant fuel pooling/coming out
of the front of the fuel servo on shut down (1,000 rpm) using the Idle
cut-off. I've had it tested and it's not the diaphragm.
Has anyone else experienced this?
Thanks
Doug
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