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Gear worning horn

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Gear worning horn

Postby Christopher Cotton » Fri Jan 20, 2017 4:35 am

Would any body know of a gear worning horn STC for the
Comanche preferably one that works off of the Manafold pressure.
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Re: Gear worning horn

Postby N3322G » Sat Jan 21, 2017 1:28 pm

Thought all Comanches had one that works off the throttle as our Twin Comanche's does.
Pat

Patricia Jayne (Pat) Keefer ICS 08899
PA-39 #10 Texas

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Re: Gear worning horn

Postby BobPicker » Sat Feb 25, 2017 11:40 pm

The gear warning horn definitely comes from the throttle cable position switch. It should come on when the gear is up and the throttle is pulled back to achieve approximately 10-12 inch Hg of manifold pressure. Just like a pressure switch directly on the manifold. This will also result in about 2000-2200 RPM. The switch, I believe, is adjusted on the ground by setting a gap spacing on the switch and a landmark. Check the Comanche Service Manual for this setting.
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Re: Gear worning horn

Postby Joachim Gruber » Thu Nov 16, 2017 5:38 am

Can anyone please tell me where in the PA-24 illustrated parts catalog I can find the Gear Up Warning "horn" (Buzzer, noise maker)? I see it in the wiring diagram (service manual), but can't find it in the parts catalog.
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1967 260B
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