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                           Zenith-List Digest Archive
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                     Total Messages Posted Fri 12/28/12: 1
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Today's Message Index:
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     1. 01:18 PM - Diagnosis of failed Rotax 912/914 Generator and Regulator/Rectifier  (Klaus Truemper)
 
 
 
________________________________  Message 1  _____________________________________


Time: 01:18:53 PM PST US
From: Klaus Truemper <klaus@utdallas.edu>
Subject: Zenith-List: Diagnosis of failed Rotax 912/914 Generator and Regulator/Rectifier

Hi, 

A bit more than a year ago, the Rotax 912 generator 
of my Zenith 601HDS quit charging on a 
cross-country trip from Pecos, TX to Deming , NM. 
The voltage dropped gradually, but I made it to the destination . 

It turned out that nobody at the airpor t kn ew how to deal with the problem .

But friend Philip , who f ortun ately lives not far from that airport, came and
helped 
on short notice. We got a phone link to a Rotax specialist in Florida 
who guided us through a testing procedure . It turned out that most likely 
the regula tor/rectifier had failed. A new regulator/rectifier fixed the problem,

as predicted. 

Recently , I decided to assemble a short write-up that guides the 
user through the testing procedure of the ge nerator and 
regulator/rect i fier. The test steps requir e only a volt/ohm meter. 

If you have a Rotax 912/914 engine and want to print a copy, go to 

http://pointsforpilots.blogspot.com/2012/12/testing-rotax-912914-generator-and.html 

If you have suggestions for improvement of the document, please send them , and

I will incorporate them into the document for the benefit of other Rotax drivers.


Hap py flying, 

Klaus 


 

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