Jim, how often did you experience a stuck waste gate? Mine used to stick ab
out once per year, and was a bugger to free up. Never did find a solution.
Garry
Sent from my iPad
On Jun 24, 2011, at 2:59 PM, Jim Brown <acrojim7534@yahoo.com> wrote:
> For you 914 drivers;
>
> My 914 started showing surges in the manifold pressure recently. On takeof
f's, the MP would vary from 33" MP to 39"MP. In cruse mode where I normall c
ruise at 33" MP and 5300 RPM I was having to advance the throttle, or retard
, in order to keep the MP stable.
>
> The engine has 860 hours, TT since new...to make a long story short, I hav
e added 3 pictures of the servo cable..Over a period of time, some of the wi
res in the cable, were broken, or just worn out. The clevis on the end of t
he cable connects directly to the turbo wastgate, and the worn out cable was
just bending, instead of moving the wastegate...
>
> I ordered new cable from Rotax, and installed...Make sure when installing n
ew cable, that the wastgate is completely closed..If its not completely clos
ed, you will not get full bost on takeoff.
>
> Jim Brown
> <P6230012.JPG>
> <P6230013.JPG>
> <P6230014.JPG>
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