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Tach drive question

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Old Aug 15, 2010 | 10:22 PM
  #21  
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there is a hole in the dist, and the button looks worn
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Old Aug 15, 2010 | 10:33 PM
  #22  
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I see...

Knock the roll pin out of the lower gear.. pull the main shaft and see what it looks like..

Look for wear on the shaft... I see the wear on the Teflon button.. but I don't think that is your problem.

Also.. Look in the inside area of the brass coupler.. see if it is oval... (look for ridges in there) If the cross gear wears out the coupler it will **** the tach gear too.. I forgot that in my earlier post.

Willcox
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Old Aug 15, 2010 | 10:48 PM
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Originally Posted by Willcox Corvette
I see...

Knock the roll pin out of the lower gear.. pull the main shaft and see what it looks like..

Look for wear on the shaft... I see the wear on the Teflon button.. but I don't think that is your problem.

Also.. Look in the inside area of the brass coupler.. see if it is oval... (look for ridges in there) If the cross gear wears out the coupler it will **** the tach gear too.. I forgot that in my earlier post.

Willcox
there is a groove half way around on both ends of the coupler
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Old Aug 15, 2010 | 11:02 PM
  #24  
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Ok.. the coupler is grooved.. so this is part of the problem... What about the shaft? Did you pull the shaft out?
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Old Aug 16, 2010 | 07:56 AM
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havent pulled the shaft yet, but the gear is shot so i know i need a new 1
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Old Aug 16, 2010 | 07:30 PM
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If I attempt a rebuild, how does that lower shim come out and the new one go in?
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Old Aug 18, 2010 | 10:08 AM
  #27  
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i put in a new main shaft, side gear and brass button...so far so good
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Old Aug 25, 2010 | 07:20 PM
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Originally Posted by pewter-FRC
i put in a new main shaft, side gear and brass button...so far so good
I would and will use the nylon button from ZIP.
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