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0. 12:24 AM - Fund Raiser List of Contributors - Please Make A Contribution Today! (Matt Dralle)
1. 12:33 PM - Alternator Drive Coupling Failure (FlyboyTR)
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| Subject: | Fund Raiser List of Contributors - Please Make A Contribution |
Today!
Each year at the end of the List Fund Raiser, I post a message acknowledging everyone
that so generously made a Contribution to support the Lists. Its my way
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fast and easy using your Credit card or Paypal on the Secure Web Site:
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I would like to thank everyone that has so generously made a Contribution thus
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Matronics Email List Administrator
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| Subject: | Alternator Drive Coupling Failure |
My engine is an IO-240. I am now on my third Alternator Drive Coupling. This
part (635796) is used on many different TCM engines. My engine was originally
installed new from TCM. In 2006 and at 271 hours the original coupling failed.
The cost of a new TCM coupling was $1,600 at that time. I replaced it with
a rebuilt coupling for $450.
Now254 hours later, the coupling has failed again. New cost is 2K, rebuilt is
$525. My engine has to be removed to access the alternatorso this is not only
a gross inconvenienceits also a costly little part that has a history of premature
failure.
TCM tells that it is designed to fail to protect the engine and that failure is
normal. OKTHANKS! My alternator has not failed/locked up! However, the couplings
continue to fail. My average amperage load is about 6 amps (not much work
for a 60 amp alternator). I am typically not switching on/off high amperage
loads.
This is a link to my original thread on this problem. There are pictures of the original failed part at the bottom on the thread. http://forums.matronics.com/viewtopic.php?p=77593
Does anyone have any suggestions as to why these parts continue to fail? Is there
another alternative? Thanks
Travis
:D
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Travis Rayner
Mobile, AL
Skystar Vixen, N-789DF
Continental IO-240, Prince P-Tip Prop
ADI-II Autopilot
AnyWhereMap Navigation with weather
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=271963#271963
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