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Comanche Engines and Propellers
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Topic starter
08/05/2020 1:54 am
PA-30 Engine idles at mixture cutoff
by Frank Brunot » Mon Oct 27, 2014 7:33 pm
I've got an engine on my PA-30 that won't shutdown at Mixture Idle Cutoff. Other than the cutoff leakage test described in the Bendix Troubleshooting Manual,
has anyone got any other tests or adjustments they could recommend? This happened all of a sudden after a flight last week. Injectors were overhauled about 18 months ago.
has anyone got any other tests or adjustments they could recommend? This happened all of a sudden after a flight last week. Injectors were overhauled about 18 months ago.
- Frank Brunot
- ICS member
- Posts: 91
- Joined: Tue Jun 24, 2008 4:41 pm
- Location: Spring Hill, FL
Re: PA-30 Engine idles at mixture cutoff
by Clarence Beintema » Mon Oct 27, 2014 8:20 pm
Poor shut down at ICO is sometimes a sticking plunger in the fuel flow divider. Switch them from left to right engine to help troubleshooting.
Clarence
- Clarence Beintema
- ICS member
- Posts: 134
- Joined: Tue May 11, 2010 11:41 pm
Re: PA-30 Engine idles at mixture cutoff
by Frank Brunot » Wed Oct 29, 2014 2:46 am
Thanks all. I ran the cutoff leakage test, and fuel was really flowing in cutoff position. Now need to find out why, when they repair the unit.
- Frank Brunot
- ICS member
- Posts: 91
- Joined: Tue Jun 24, 2008 4:41 pm
- Location: Spring Hill, FL
