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Intermittent Alternator

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Dennis Johnson

Joined: 10 Jan 2006
Posts: 89
Location: N. Calif.

Posted: Tue Dec 07, 2010 6:05 am Post subject: Intermittent Alternator

Hi David,

  

 Thanks for the tip about the hairline crack in your stator wiring.  I  hope my problem isn't something that hard to diagnose.  

  

 Dennis 

  

  

 Time: 02:39:46 PM PST US

From: "David Lloyd" <skywagon(at)charter.net (skywagon(at)charter.net)>

Subject: Re:  Intermittent Generator Problem



About intermittent  alternators.....  Once I had to chase a mystery 

problem.   Alternator would go off line, later come on line.  I later 

chased down  a hairline crack in the stationary stator windings in the 

case where it  entered a swaging boss.  When the alt. go hot, the 

hairline crack would  open and after the alt. cooled a little the wire 

would make continuity and  charge again.  I suspect that the heavy wire 

was damaged during  manufacture and would not show up until the alt. put 

under heavy loads in  hot conditions.  I had to use a magnifying glass to 

finally view the  crack.....



If it is not diodes, then look for this stator wire  problem.

David

   [quote][b]

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