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Alternator failures on 3300's

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IFLYSMODEL(at)AOL.COM
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Posted: Mon Jun 01, 2009 10:22 am Post subject: Alternator failures on 3300's

Hey guys and gals: Have any of you experienced alternator failures with  your 3300's? I have had two now, one with each 3300 engine I've had. Is there a  way to determine if the problem is in the regulator? I am assuming it is the  alternator because my RPM indication went to zero. I have carefully checked all  the connections and they are good. I have recharged the battery, and it appears  good also.

 Lynn Nelsen    Lightning Ser# 60 107  hours.    52FL

 An Ex6575x1222377040x1201454360/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072%26hmpgID=62%26bcd=JuneExcfooterNO62>See Yours in Just 2 Easy Steps!

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mark(at)flylightning.net
Guest

Posted: Mon Jun 01, 2009 10:58 am Post subject: Alternator failures on 3300's

Hi Lynn,

  

 We've had alternator failures but usually  not that many. The majority of the time when the tach goes to zero there is a  bad connection with either one of the wires from the alternator (sometimes  they'll arc and burn the connector) or with the yellow tach wire.

  

 1. Check all your connections  (including the yellow tach wire). You've already done that. 

 2. Do the windings of the alternator  look black or burnt or have a burnt ozone smell to them? They should be a shiny  copper color.

 3. You  can hook a multi-meter to the two output wires from the alternator. With the  engine running you should see between 8-28 volts AC depending on RPM. Please  note it is AC power. If you are seeing between 8-28 volts then it's most likely  your regulator/rectifier.

  

 Hope this helps. Let me know how it turns  out.

  

 Mark

  

Mark Stauffer 

Production Manager 

Arion  Aircraft 

2842 Hwy 231 North 

Shelbyville, TN 37160 

(931)  680-1781 

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