Today's Message Index:
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1. 05:46 AM - Re: Bad mag check 912UL (Catz631@aol.com)
2. 01:56 PM - Re: Bad mag check 912UL (Roger Lee)
Message 1
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| Subject: | Re: Bad mag check 912UL |
Roger,
Thanks for your reply!
Yesterday I switched the red power wires from the coils to the modules and
found the problem went with the wires (ie: now the left mag vs the right mag
was acting up and the engine quitting) I then took my ohm meter and measured
both the right and left red power leads. I measured 5.7 ohms on the left and "
0
" on the right so as you said, I should have a break in that wire. Now the
problem was--- where? The wire looked fine.The break could be at the back of the
engine (oh boy, pull the engine as it is a tight fit on my Kitfox) I took a
chance and I connected one of the alligator clips to a sharp tipped scribe and
worked from the connector end (at the top of the engine) down the wire pushing
it thru the wire insulation. At about 3/4 inch from the female connector end I
hit paydirt ! I was registering 5.7 or so on my ohm meter !!!
Now this piece of wire looked absolutely solid and you could not feel the
break with your fingers. After careful surgery on the wire I could see most of
the strands had been broken for awhile (by the color of the ends)
I spliced in a fresh piece of wire and was able to reuse the connector end.
The module is now working and I am back in business!
I can't thank you enough for your insight as you were on the money. Another
learning experience on this strange engine! I wish someone would make up a
full color wiring diagram that is easy to read (and large enough) I bought one
a
few years ago for my Triumph TR3 and Stag off of a guy on EBAY.It sure makes
it easy to follow the wiring. I think I paid about$20- 25 apiece. It was sure
worth it!
Dick Maddux
Kitfox 4-1200
Rotax 912UL
Pensacola,Fl
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Message 2
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| Subject: | Re: Bad mag check 912UL |
Hey Dick,
Good job. You did it the only good way to track down a ghost in the wiring, inch
by inch sometimes. Typically wire breaks happen at plug connectors or sharp
bends around something.
Happy flying! :D :D
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Service Center
520-574-1080
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http://forums.matronics.com/viewtopic.php?p 6373#206373
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