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  #1  
Old 08-25-2016, 08:42 AM
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boomer boomer is offline
 
Join Date: Apr 2007
Location: Ladonia,Tx
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Default Lycoming SB 518D Oil Bypass Valve Inspection

Has anyone checked SB 518D ( http://lycoming.com/Portals/0/techpu...Inspection.pdf ) to see if it applies to the IO-360-M1B? Thanks.

-John
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  #2  
Old 08-25-2016, 12:51 PM
kai kai is offline
 
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Location: Berlin, Germany
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We had a Mooney with an IO-360 with an affected vernatherm. You should check which one you have installed.
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  #3  
Old 08-25-2016, 01:17 PM
Bavafa Bavafa is offline
 
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There is no instructions as where exactly this is located in our engines or how to remove them. Anybody has done this or has pictures of it.

I also have a IO-360-M1B but no indication if this part is in my engine or not.
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  #4  
Old 08-25-2016, 02:26 PM
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mine is on the oil filter adapter, all you will see is the thin looking nut part between his pinkeye and ring finger, there should be safety wire on it. if you remove it, be sure to have a new copper sealing washer, it may or may not seal after removal.
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  #5  
Old 08-25-2016, 02:49 PM
Bavafa Bavafa is offline
 
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Yes, I found more info and it looks like the torque value is 300 in.-lbs. (34 Nm)

http://www.lycoming.com/Portals/0/te...eplacement.pdf
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Last edited by Bavafa : 08-25-2016 at 02:53 PM.
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  #6  
Old 09-20-2016, 06:59 PM
Bavafa Bavafa is offline
 
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Location: Sacramento, CA
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Just wondering if any one has checked for this SB and found any issues. Also, any thing to watch or trick to know for when installing it back? I have ordered some washers and believe the torque value is 300 Inch and planning on doing this this weekend.
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  #7  
Old 01-05-2017, 05:02 AM
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swisseagle swisseagle is offline
 
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Location: 20km outside of Zurich, Switzerland
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Default Any more information on this?

Hello,

does anyone have more information about this? The link to the Lyco document does not work.

I'm interested in more information about which seal does it need, so I can organize a new one before I take it apart, and how much torque I need to install it. Looks like Bavafa found the torque which seams to be 300 in.-lbs.

Thanks,

Dominik
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  #8  
Old 01-05-2017, 06:48 AM
BillL BillL is offline
 
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Location: Central IL
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Quote:
Originally Posted by swisseagle View Post
Hello,

does anyone have more information about this? The link to the Lyco document does not work.

I'm interested in more information about which seal does it need, so I can organize a new one before I take it apart, and how much torque I need to install it. Looks like Bavafa found the torque which seams to be 300 in.-lbs.

Thanks,

Dominik
Parts are in parts book.
Torque is in overhaul manual.
The document is available on Lycoming.com.
It affects ALL 360 engines, so my new M1B is in range.

If I hit my finger with a hammer and someone else had the pain, I could keep doing it. Defective design, defective part, and we have to cover it. Nice business model for Lycoming.
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  #9  
Old 01-05-2017, 08:46 AM
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Quote:
Originally Posted by swisseagle View Post
Hello,

does anyone have more information about this? The link to the Lyco document does not work.

I'm interested in more information about which seal does it need, so I can organize a new one before I take it apart, and how much torque I need to install it. Looks like Bavafa found the torque which seams to be 300 in.-lbs.

Thanks,

Dominik
VERNATHERM GASKET - 76510 @ aircraftspruce.com
Get a few, this is a recurring inspection, or replace with a newer Vernatherm unit
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  #10  
Old 01-05-2017, 08:48 AM
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az_gila az_gila is offline
 
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Location: 57AZ - NW Tucson area
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Quote:
Originally Posted by swisseagle View Post
Hello,

does anyone have more information about this? The link to the Lyco document does not work.

I'm interested in more information about which seal does it need, so I can organize a new one before I take it apart, and how much torque I need to install it. Looks like Bavafa found the torque which seams to be 300 in.-lbs.

Thanks,

Dominik
Correct new link for the original SB -

http://www.lycoming.com/sites/defaul...%20%281%29.pdf

The SB is part number dependent so you need to check what is on your engine.
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