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  #1  
Old 02-10-2018, 01:57 PM
philb philb is offline
 
Join Date: Apr 2005
Location: Salt Lake City
Posts: 171
Default Mag cushion

Any tricks to retrieving mag cushion dropped into engine🙁

Tried search function, but can?t see where anybody has fessed up...

Phil
RV-10 finishing (or so I thought...)
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  #2  
Old 02-10-2018, 04:01 PM
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N941WR N941WR is offline
 
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Please excuse my ignorance but what is a "mag cushion"?
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  #3  
Old 02-10-2018, 04:18 PM
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Captain_John Captain_John is offline
 
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Bill, it is an intermediate piece of rubber for cushioning the mag drive.

Looks like you are taking that engine apart unless you can get lucky with a borescope and fish it out.

CJ
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  #4  
Old 02-10-2018, 04:57 PM
Dave62 Dave62 is offline
 
Join Date: Jul 2007
Location: Berea KY
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It will come out through the oil drain plug hole. Remove plug and drain oil. Fish cushion with safety wire through the drain hole until it can be seen. Use small "mechanical fingers" or hemostats to get ahold of the end of the cushion and it will come out. It takes patience and a lot of four letter words but it can be done.
Dave
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  #5  
Old 02-10-2018, 05:10 PM
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erich weaver erich weaver is offline
 
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Location: santa barbara, CA
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Even if you drain the oil the borescope will typically get coated with oil from rubbing against surfaces and not be of much use. Also really hard to fish areound in the sump from the drain hole because it?s not at all flat inside.

My suggestion is to drain the oil and then jury rig some small flexible tubing up to a shop vac and go fishing down the mag whole that the pad was lost in. It?s got to be pretty much straight down in the sump unless it got caught up on a gear in the accessory case.

Good luck. Worst case is you pull the sump. No fun but not the end of the world either

Erich
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  #6  
Old 02-10-2018, 06:12 PM
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Scremm Scremm is offline
 
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Location: Eliot, Maine
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You could try removing the oil filler tube and have a look from above. I did this and found something successfully in the sump for one silly mistake that I'd like to forget.
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  #7  
Old 02-10-2018, 06:47 PM
philb philb is offline
 
Join Date: Apr 2005
Location: Salt Lake City
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Got a good look at it with a borescope- thank you harbor freight! Straight down.

It does look look like I?ll be able to get to it from a drain hole - hopefully will fit!

Yikes- wasn?t looking forward to dropping the sump....

Phil
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  #8  
Old 02-11-2018, 06:37 AM
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9GT 9GT is offline
 
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Location: Southern Michigan
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These flexible claw retrieval tools work good. https://www.lowes.com/pd/General-Too...iABEgIENvD_BwE
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  #9  
Old 02-11-2018, 08:31 PM
RV10Pilot RV10Pilot is offline
 
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Location: Medford, NJ USA
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The tool listed a move and your borascope may just do the trick. Good luck.
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  #10  
Old 02-11-2018, 09:34 PM
blaplante blaplante is offline
 
Join Date: Jan 2010
Location: Southern California
Posts: 109
Default

If the cushions were glued to the cup, then a magnet on a string dropped down the mag hole may work. It did for me.


Quote:
Originally Posted by philb View Post
Any tricks to retrieving mag cushion dropped into engine🙁

Tried search function, but can?t see where anybody has fessed up...

Phil
RV-10 finishing (or so I thought...)
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Donation made Sept 2019
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