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  #1  
Old 11-24-10, 06:23 PM
cmsheaff cmsheaff is offline
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Alternators

In four years, I have gone through two rear engines alternator drive coupling shafts, two front alternators, and now a front alternator drive coupling shaft. This leads me to believe that the alternators need a more robust system (stronger shaft, bigger load capacity). Does anyone know of an STC for a standby alternator or a bigger replacement alternator? Anyone else have trouble with repeated alternator failures?
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  #2  
Old 11-25-10, 03:52 PM
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hharney hharney is offline
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Have you searched the message board for alternator issues? The late great Pete Summers should have some posts about this. I can't remember what issue you might have but I don't think it would require a modification. Something else is wrong for you to continue to have this problem.
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Old 11-25-10, 06:07 PM
cmsheaff cmsheaff is offline
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Search for answers

Ihave searched the message board and read all the old Skymaster newsletters. I have only found two previous owners with a similar complaint. But no answer.
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Old 11-26-10, 01:28 AM
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hharney hharney is offline
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Did you see this thread, look at the last post

http://www.337skymaster.com/messages...ternator+drive

Here's another

http://www.337skymaster.com/messages...ternator+drive
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Last edited by hharney : 11-26-10 at 01:33 AM.
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Old 05-28-19, 07:33 PM
DABULLY82 DABULLY82 is offline
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I was looking for an upgrade alternator, I found the hartzel alternator p/n ES-4006, or continental 634442, it's a 60 amp 28 volt gear drive, and isles applicable to IO360 engines,but i couldn't find an stc or something else.
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