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Old 05-25-2018, 10:32 PM
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Plummit Plummit is offline
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Originally Posted by skyking902001 View Post
David, thanks for the reply. I do have the threaded screw type tool for setting the rivets. My question still remains--do I drill out the old rivets with #25 drill per Matco instructions or use the Rapco tool to remove the old ones.
Use the Rapco tool to push the old rivets out. If you drill the rivets, the holes in the backing plate will eventually elongate and you will need to replace the plates.

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Old 05-25-2018, 11:01 PM
Join Date: Mar 2008
Location: Seattle
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You can preserve the backing plate by using a slightly smaller drill and stopping early, then drive out the remaining bit of rivet with a punch.
Scott Emery
EAA 668340, chapter 326 & IAC chapter 67
RV-8 N89SE first flight 12/26/2013
Yak55M, and the wife has an RV-4
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Old 05-26-2018, 01:34 PM
skyking902001 skyking902001 is offline
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Location: Gunter, TX
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Thanks to all for the responses. I did use the Rapco tool to push out the old rivets and then to set the new ones. Took about 45 minutes to remove the old disk pads and install the new ones.
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Steve Riffe
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