Mailing List flyrotary@lancaironline.net Message #55923
From: Mark Steitle <msteitle@gmail.com>
Subject: Re: [FlyRotary] Front cover removal inspection
Date: Wed, 27 Jul 2011 05:02:07 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Chris, 

Well, at least you're redeemed in your decision to pull the engine down and investigate.  I'm sure Lynn will have some comments to make regarding the condition of the front main and thrust bearings.  My suggestion is to reassemble with new parts and carefully measure the e-shaft end play.  My guess is that the pieces of thrust bearing probably caused the damage to the main bearing.  

Also, pull your oil pump and check it carefully.  If not in spec, replace it.

I'm curious, how do you remove the rear counterweight?

Mark 

On Wed, Jul 27, 2011 at 3:40 AM, Chris Barber <cbarber@texasattorney.net> wrote:
 
 
 
Got some time to pull the front cover off my 13b and took a look tonight.
 
Well well, when I pulled the front cover, all looked ok, HOWEVER, when I started pulling the parts off the end of the E-Shaft I had the remains of the front roller bearing fall into my hand. Yeah, the one that likes to slide off the end of the spacer that I took SPECIAL care to try to ensure would NOT slide off the end of the spacer (pix included). Ok, that's one issue.
 
I went ahead and replaced the front bearing and the RX-8 stationary gear/bearing slipped in with absolutely no problem. The old one still did not look good to me so I am glad I replaced it (see pictures), however, the e-shaft looked ok. You can see the deformed edges and the brass in the picture.
 
Yes, Marc, the key was in place when I pulled the oil pump, however, as I was putting it together, I dropped the damn key in the oil pan and decided to call it a night. I will fish it out along with the front o-ring that dropped down there too when I get a chance to get back out there and remove the pan. Then to got ahead and replace the other parts I got to try to make it all a little better.
 
Chris

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