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Posted

Nukemzz, thank you so much.

I like your heat shield solution.

After looking at this further, its clear the lengths I have are wrong. The hoses snake past each other a couple of times, creating rub points, in an effort to run out the extra distance. I'll go forward with the lengths PHT has, since they match the PN's in the parts manual.

 

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Posted
1 hour ago, Nukemzzz said:

No kidding?  I wonder why this would be?  Is the non-ring bushing bigger to hold the engine weight better?  Where could I find this documented to show my shop?  

Thanks

From the J manual, but the concept is the same for most Lord mounts.

Clarence

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Posted
3 hours ago, nosky2high said:

Check your mounts folks, I caught this on the last plane I bought. 

During my pre-buy IA noted one mount had a 1/4" split. After purchasing I ordered the set and IA said come get me when your ready to torque them, hours and I mean hours later he showed up to torque them and said bottom ones were in backwards. In his defense it was a top mount that was split so the bottoms were never looked at closely as they were all going to be replaced. I had taken photos of each mount prior and we went back and they were backwards before I started. They are much easier to install when they are facing to correct direction... ;)

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Posted

So I just double checked my maintenance manual and it doesn’t mention mount orientation.  July 1980 is the manual date.  If they want these a certain way they should make it more obvious...or I need to get more recent maintenance manual?   lol

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Posted

Note the orientation of the mount in the first post.  The mount under compression load normally has a ring in the rubber.

Remember that older manuals had a certain amount of “assumed knowledge” As time went on they realized that more details need to be added.

Clarence

Posted

I don't know if the earlier models had shims, but with the M20J, you need to be careful to note the shim thickness/locations. If you just let them fall out on the hangar floor, you'll spend a lot of time getting the spinner to line up with the cowling.

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Posted
On 11/17/2020 at 5:10 PM, M20Doc said:

Note the orientation of the mount in the first post.  The mount under compression load normally has a ring in the rubber.

Remember that older manuals had a certain amount of “assumed knowledge” As time went on they realized that more details need to be added.

Clarence

I don’t doubt the top pair is backwards and we are going to flip them. Just wondering if my manual revision is too old and highlighting that some manuals don’t make this obvious which is a shame. 
 

Thanks for catching it. 

Posted
13 hours ago, M20Doc said:

Here is the link to the manual revision status page from Mooney’s website.  Older legacy models haven’t seen a revision in decades, so yours may be current.

https://cdn2.hubspot.net/hubfs/4147179/TECHNICAL PUBLICATIONS DOCUMENTS/Revision_Status_2019.pdf

Clarence

I don't know about other models, but the J manuals don't get real revisions. Mooney just embeds comments in the pdf files. But there is no revision control on this so you can never be sure you have the latest embedded comments unless you order a new one.

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