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Nose gear maintenance

 
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Dick Sipp



Joined: 11 Jan 2006
Posts: 215
Location: Hope, MI

PostPosted: Mon Nov 22, 2010 6:45 pm    Post subject: Nose gear maintenance Reply with quote

I had the nose gear jacked off the ground to change a tire and thought to check for any looseness or “play.” I discovered about .75” of vertical movement. I recalled the instructions for installing the 1/8th thick spacers under the retaining collar on the top of the gear leg. They said that an additional spacer may be required after the rubber shock absorbers wore in. The job of adding another spacer (lucky to find the extras) turned out to much easier than I would have thought; about 15 minutes and only one minor knuckle skin nick. The single additional spacer took up all of the vertical slack without making the collar difficult to re-install. Remember the collar can only be removed with the gear on the ground supporting the weight of the airplane.

Dick Sipp
N110DV 300 hours
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jesse(at)saintaviation.co
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PostPosted: Tue Nov 23, 2010 4:56 am    Post subject: Nose gear maintenance Reply with quote

I have had to add as many as 2 spacers before. That's the cause, I think, of some of the shimmy that people are seeing. I may recommend that you add another spacer. It's good to have just a little bit of preload on those rubber donuts. If you have someone help you, they can push down on the engine or engine mount to compress the donuts enough to get the bolt back through the collar.

do not archive

Jesse Saint
Saint Aviation, Inc.
jesse(at)saintaviation.com (jesse(at)saintaviation.com)
C: 352-427-0285
F: 815-377-3694

On Nov 22, 2010, at 9:42 PM, Dick & Vicki Sipp wrote:
Quote:
I had the nose gear jacked off the ground to change a tire and thought to check for any looseness or play. I discovered about .75 of vertical movement. I recalled the instructions for installing the 1/8th thick spacers under the retaining collar on the top of the gear leg. They said that an additional spacer may be required after the rubber shock absorbers wore in. The job of adding another spacer (lucky to find the extras) turned out to much easier than I would have thought; about 15 minutes and only one minor knuckle skin nick. The single additional spacer took up all of the vertical slack without making the collar difficult to re-install. Remember the collar can only be removed with the gear on the ground supporting the weight of the airplane.

Dick Sipp
N110DV 300 hours
Quote:


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