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  #1  
Old 12-22-2016, 08:25 AM
Drippy Drippy is offline
 
Join Date: Nov 2015
Location: Vermont
Posts: 123
Default Prop Bushing

Anyone have issues with their prop flange bushings? I have one that needs to come out . . and when I looked close it appears 2 others are not fully seated.

I tried the bolt through the bushing with stacked washers "trick" to try and pull the unseated bushings in place but just end up deforming the washers I am using to bridge the gap over the stacked washers.

Anyone had to pull bushings? How hard to you need to pull?

Thanks Mike
https://lh3.googleusercontent.com/IU...c=w480-h640-no
https://lh3.googleusercontent.com/wF...Q=w480-h640-no
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  #2  
Old 12-22-2016, 08:49 AM
Jasonm Jasonm is offline
 
Join Date: Jul 2013
Location: KAVL
Posts: 317
Default

I had to press one out in order to drill my case for the electronic ignition sensor. Use a large C-clamp. To install (press in) put the foot of the clamp over the flange (larger diameter), if the foot isn't large enough to make good contact with the flange slip a flat piece of steel in between the bushing and the foot of the clamp, on the opposite side use a socket that just fits over the bushing. You'll then use the C-clamp to press it back flush.
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RV-10
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  #3  
Old 12-30-2016, 10:09 AM
Storch Storch is offline
 
Join Date: Dec 2016
Location: South
Posts: 12
Default Prop bushing tool

Quote:
Originally Posted by Drippy View Post
Anyone have issues with their prop flange bushings? I have one that needs to come out . . and when I looked close it appears 2 others are not fully seated.

I tried the bolt through the bushing with stacked washers "trick" to try and pull the unseated bushings in place but just end up deforming the washers I am using to bridge the gap over the stacked washers.

Anyone had to pull bushings? How hard to you need to pull?

Thanks Mike
https://lh3.googleusercontent.com/IU...c=w480-h640-no
https://lh3.googleusercontent.com/wF...Q=w480-h640-no
Mike,
Recently I had to reclock the prop on my 10. Long story short, I could not use the home made tools suggested on this site due to clearance issues between the crank flange and the engine. Lycoming ST-115 is a tool made by Lycoming to remove and install bushings. Call VanBortel-Air Power and tell them you want to rent this tool. They will have it shipped to you from Lycoming. They will charge you for the tool ($1350.00) and upon your returning it to them you will be credited this amount. The rental charge is $100.00 per month plus shipping.
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  #4  
Old 12-30-2016, 10:21 AM
Storch Storch is offline
 
Join Date: Dec 2016
Location: South
Posts: 12
Default Prop bushing tool catalog

Quote:
Originally Posted by Storch View Post
Mike,
Recently I had to reclock the prop on my 10. Long story short, I could not use the home made tools suggested on this site due to clearance issues between the crank flange and the engine. Lycoming ST-115 is a tool made by Lycoming to remove and install bushings. Call VanBortel-Air Power and tell them you want to rent this tool. They will have it shipped to you from Lycoming. They will charge you for the tool ($1350.00) and upon your returning it to them you will be credited this amount. The rental charge is $100.00 per month plus shipping.
http://www.grummanpilotsassociation....ol-catalog.pdf

page 20, fig. 337.
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  #5  
Old 12-30-2016, 10:58 AM
Steve Barnes Steve Barnes is offline
 
Join Date: Jul 2008
Location: Santa Rosa, CA
Posts: 580
Default How I removed them.

I put a large socket with a bolt through the socket and washers. Tighten the bolt then tap the bushing with a hammer. Tighten a little more then tap again. This has always worked for me.

Steve
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  #6  
Old 01-01-2017, 11:09 PM
paul330 paul330 is offline
 
Join Date: Feb 2007
Location: Mpumalanga, South Africa
Posts: 1,065
Default

IIRC (and without taking my prop off) 2 of the bushes are slightly proud to provide clocking for the correct prop orientation.
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Mercy Air, White River FAWV
RV-10 ZU-IIZ - "Zeus"
Building Bearhawk Bravo - RV-18 not available
2019 Donation Made
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