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1. 06:54 AM - Re: Clueless electrical question (Cy Galley)
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| Subject: | Re: Clueless electrical question |
--> Cessna-List message posted by: "Cy Galley" <cgalley@qcbc.org>
Sounds like a bad brush in the alternator. We had one like that in our
Skyhawk. One brush was GONE and the wire to the brush would make contact
until it too worn off and the alternator quit entirely. Ford truck
alternator and brushes are available at National Air Parts Association.
Cy Galley, TC - Chair, Emergency Aircraft Repair, Oshkosh
Editor, EAA Safety Programs
cgalley@qcbc.org or experimenter@eaa.org
Always looking for articles for the Experimenter
----- Original Message -----
From: "Garrou, Douglas" <dgarrou@hunton.com>
Subject: Cessna-List: Clueless electrical question
> --> Cessna-List message posted by: "Garrou, Douglas" <dgarrou@hunton.com>
>
> A 1974 Cessna 172 that I fly has an electrical gremlin. The voltage light
> occasionally comes on at takeoff or in cruise. No apparent reason.
Needle
> shows no discernible discharge or overcharge. Turning the master off and
> then back on usually extinguishes the light (one time it did not, so I
just
> returned to base and scratched my head). Flight before last, we needed a
> jump to get started; could find no obvious reason that the battery would
be
> dead (master had been turned off, etc.). On our last flight attempt, same
> problem, but this time the jump did nothing - cart hooked up, no juice at
> all apparent in the cockpit, no action from the starter.
>
> Ideas? Obviously getting A&P input is the next step, but I feel the need
to
> educate myself somewhat first. As is probably painfully apparent from this
> post, I know *nothing* about electrical systems.
>
> Cheers
> Doug
>
>
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