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1. 08:45 PM - Repeated alternator failure (Argonaut36)
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| Subject: | Repeated alternator failure |
The alternator in my Lycoming AEIO-360 engine is a Kelly Aerospace ALY 8520 formerly
known as ALY 8420. The alternator fails every 80-100 hours. Replacing
the brushes and the brush holder (P/N 08-13833) brings back the alternator to
work.
The alternator does not fail suddenly. There is a period of time prior to each
failure during which the alternator works intermittently, sometimes it is on
and sometimes is off. Then it stops working completely.
On the removed brushes there is a black fluid (engine oil plus brush dust?). I
dont know up to what extent this is normal.
Any advice on how to proceed to fix this problem permanently?
Thanks
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http://forums.matronics.com/viewtopic.php?p=490620#490620
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