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Engine mount boos nuts and washers

 
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indigoonlatigo(at)msn.com
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PostPosted: Thu Oct 15, 2009 7:20 pm    Post subject: Engine mount boos nuts and washers Reply with quote
I am ready to lift the engine out of the box with my new engine hoist. 

I don't seem to find anywhere in the documentation with the engine or the FWF that discusses attaching the mount bosses to the engine case. I presume the correct sized 16 nuts C 16 flat washers and 16 internal tooth lock washers located with the air carburator unit are for this purpose. 
What I would also like to know is these nuts have a raised circular portion on one side. I presume that this raised side goes against the serrated washer so that it engages serrations of the lock washer. But then again C this leaves less surface area of the nut on the lock washer perimeter which then would ordinarily push down on the other washer? What is the correct direction? 
Seems like a pretty important item to not have any mention of in the documantation??
Thanks C
John G
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rv10builder(at)verizon.ne
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PostPosted: Thu Oct 15, 2009 8:48 pm    Post subject: Engine mount boos nuts and washers Reply with quote
Are you talking about the engine mounted on the engine mount? if so FF1-5.


From: John Gonzalez (indigoonlatigo(at)msn.com)
Sent: Thursday, October 15, 2009 8:18 PM
To: RV 10 group (rv10-list(at)matronics.com)
Subject: Engine mount boos nuts and washers


I am ready to lift the engine out of the box with my new engine hoist.

I don't seem to find anywhere in the documentation with the engine or the FWF that discusses attaching the mount bosses to the engine case. I presume the correct sized 16 nuts, 16 flat washers and 16 internal tooth lock washers located with the air carburator unit are for this purpose.


What I would also like to know is these nuts have a raised circular portion on one side. I presume that this raised side goes against the serrated washer so that it engages serrations of the lock washer. But then again, this leaves less surface area of the nut on the lock washer perimeter which then would ordinarily push down on the other washer? What is the correct direction?


Seems like a pretty important item to not have any mention of in the documantation??


Thanks,


John G
[quote]

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jesse(at)saintaviation.co
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PostPosted: Fri Oct 16, 2009 2:54 am    Post subject: Engine mount boos nuts and washers Reply with quote
You are correct on the number & size. The engine should have a bag of hardware for that. The nut usually has one flat (like a washer) side and the other side is a little rounded at the corner of the flats. The flat side goes against the lock washer. The order is flat washer, internal tooth lock washer, nut with flat side in. I have the torque values at the shop. Give me a call later this morning & I'll look them up for you.

Jesse SaintSaint Aviation
jesse(at)saintaviation.com (jesse(at)saintaviation.com)
352-427-0285
Sent from my iPhone
On Oct 15, 2009, at 11:18 PM, John Gonzalez <indigoonlatigo(at)msn.com (indigoonlatigo(at)msn.com)> wrote:

[quote] I am ready to lift the engine out of the box with my new engine hoist.

I don't seem to find anywhere in the documentation with the engine or the FWF that discusses attaching the mount bosses to the engine case. I presume the correct sized 16 nuts, 16 flat washers and 16 internal tooth lock washers located with the air carburator unit are for this purpose.
What I would also like to know is these nuts have a raised circular portion on one side. I presume that this raised side goes against the serrated washer so that it engages serrations of the lock washer. But then again, this leaves less surface area of the nut on the lock washer perimeter which then would ordinarily push down on the other washer? What is the correct direction?
Seems like a pretty important item to not have any mention of in the documantation??
Thanks,
John G
Quote:


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indigoonlatigo(at)msn.com
Guest
PostPosted: Fri Oct 16, 2009 3:52 pm    Post subject: Engine mount boos nuts and washers Reply with quote
I was refering to the ears that need to be attached to the case on the engine. Each one has four bolts sticking out of the case. 

Jesse gave me the values and the information.
Thanks.

From: rv10builder(at)verizon.net
To: rv10-list(at)matronics.com
Subject: Re: Engine mount boos nuts and washers
Date: Thu C 15 Oct 2009 21:47:26 -0700

.ExternalClass .ecxhmmessage P {padding:0px;} .ExternalClass body.ecxhmmessage {font-size:10pt;font-family:Verdana;} Are you talking about the engine mounted on the engine mount? if so FF1-5.


From: John Gonzalez (indigoonlatigo(at)msn.com)
Sent: Thursday C October 15 C 2009 8:18 PM
To: RV 10 group (rv10-list(at)matronics.com)
Subject: Engine mount boos nuts and washers


I am ready to lift the engine out of the box with my new engine hoist. 

I don't seem to find anywhere in the documentation with the engine or the FWF that discusses attaching the mount bosses to the engine case. I presume the correct sized 16 nuts C 16 flat washers and 16 internal tooth lock washers located with the air carburator unit are for this purpose. 


What I would also like to know is these nuts have a raised circular portion on one side. I presume that this raised side goes against the serrated washer so that it engages serrations of the lock washer. But then again C this leaves less surface area of the nut on the lock washer perimeter which then would ordinarily push down on the other washer? What is the correct direction? 


Seems like a pretty important item to not have any mention of in the documantation??


Thanks C


John G
[quote]
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tronics.com/contribution

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