Fw: [Pattern] YS Cam Bearing Removal

[Terry Brox]

I found this old email Bob. Hope it helps. Terry
----- Original Message ----- 
From: <M75771 at aol.com>
To: <pattern at rcmailinglists.com>
Sent: Tuesday, March 20, 2001 6:26 AM
Subject: Re: [Pattern] YS Cam Bearing Removal


> Jeff,
> I read about this method in a K-Factor about 4 years ago, tried it and it
> works great.
> These are the parts you need:
> 1) A landing gear strut made from hardened music wire.  I use a nose gear
> strut as I have many I will never use ( both 5/32 or 3/16 work)
> 2) A 1/4" close pipe coupling.
>
> On the nose gear I grind a slot about 1/2 of the way thru the wire,
approx.
> .025 to .030" from the end of the long leg.  I then slid the pipe coupling
> over the leg and there you have it, a cam bearing removal tool (actually a
> small slide hammer).
> Heat the case around the cam housing (however you prefer to do it), insert
> the slotted end of the strut thru the inner race of the bearing.  I then
use
> a small diameter dowel to fill up the rest of the diameter of the inner
race.
> Tug on the bearing by sliding the coupling sharply against the rebounce
coil
> in the upper end of the strut. The bearing just pops right out.  I get the
> bearing out of the cap end of the housing by screwing it (thru it holes
for
> it's retainer screws) to a block of wood, and repeating the above
procedure.
> Whole thing takes just a couple of minutes.  I put the new bearings back
in
> by heating the case and inserting the bearing while holding it with a
dowel
> lightly pressed into the inner race (I tapered the end of a 1/4" dowel to
> fit).  Have use this method over 100 times.  Works great and is easy to
do.
> Mike McCormick
>
>
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