Today's Message Index:
----------------------
1. 07:37 PM - Nose wheel shimmy (richard walker)
2. 11:28 PM - Re: Nose wheel shimmy (TeamGrumman@aol.com)
Message 1
| INDEX | Back to Main INDEX |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Nose wheel shimmy |
--> TeamGrumman-List message posted by: "richard walker" <rickw@lifepointministries.com>
Hey all
I just purchased an AA5 N6542L with wheel pants and when I set the nose
wheel down on landing she shimmies and I have to pull it up as long as I can
then set it down. Is there a fix for this that some one may know about!!
hope for help
Rick
Message 2
| INDEX | Back to Main INDEX |
| PREVIOUS | Skip to PREVIOUS Message |
| NEXT | Skip to NEXT Message |
| LIST | Reply to LIST Regarding this Message |
| SENDER | Reply to SENDER Regarding this Message |
|
| Subject: | Re: Nose wheel shimmy |
--> TeamGrumman-List message posted by: TeamGrumman@aol.com
two things to look at
1) with the nose off the ground, first spin the tire by hand. It should
spin no more than 1 revolution. That is, LESS than one revolution. If not,
tighten the axle bolt nuts (you'll need two 1/2 inch sockets/ratchets.)
2) try pushing the the nose gear wheel pant side to side. Push from
anywhere near the back of the wheel pant. Technically, you need to rig up a fish
scale, tighten (or loosen, as required) the nose fork bolt until you reach
somethin like 22 in-lbs (or was it ft-lbs?). THe truth is, there is nothing
magical about the fish scale. Google search Belville washers, do your own
research, whatever. What you need to do is compress the the washers roughly 75%.
As it turns out, there are many ways to install the washers. 22 fish-scales
will get you various amounts of compression depending on how you do the
washers.
Before you get started, take it all apart. Clean up everything. INSIDE
the nose fork, you need one thich and one thin thrust washer (two washers total)
A new "O" ring. Grease everthing with No. 22 Aeroshell grease. on the
OUTSIDE, I use one large area flat washer against the nose fork. You need to
protect the aluminum. Then, 4 Belville washers. Then, one small area
washer against the nut.
Like this. | <<>> | nut. Put a thin film of grease on these too. They
are steel and they will rust.
Assemble the washers and nut. Tighten until you fell the washers
compressing. They'll compress a lot. Push on the back of the wheel pant (as
ytou
tighten) until you feel a fair amount of drag on the wheel pant. If you tighten
it all the way until the washers are compressed, just back off on the nut to
where 22 fish-scales are.
Gary
Other Matronics Email List Services
These Email List Services are sponsored solely by Matronics and through the generous Contributions of its members.
-- Please support this service by making your Contribution today! --
|