Rick Mahaffey on mon 14 apr 03
Hello,
We have several old shimpo wheels at school. I take mine to Clay Art
Center, in Tacoma, Washington to get them repaired.
I could do it myself, but it takes some time and time is what I do not
have in cash. ;-)
There are bearings in two places in an old cone drive shimpo wheel.
One set on the electric motor and one on the wheel head.
It has been my experience that the wheel head bearings go out two the
three times as often as the bearings in the motor.
To check turn the wheel head and listen with a stick held on the collar
where the wheel head shaft joins the body of the wheel.
Put the other end of the stick on your ear, an old auto mechanics
trick, (it should be a smooth end larger than the opening in your
ear.). Turn the wheel head and listen for bearings that sound like
rocks instead of smooth round steel. If they are unbolt the collar
and take it to a machine shop or if you have a good auto mechanic he
may have a bearing press and can remove the old bearings which you can
take to a bearing house and purchase new ones. Get high quality sealed
bearings. (Henry Royce (the Royce in Rolls-Royce) once said " That
which is humble, rightly done is noble".)
Then you can take the works back and have the new bearings pressed on
and then you are off to the races.
Rick Mahaffey
Tacoma, Washington, USA
Ps. I think it is not as hard to replace the motor as you have been
told, but I can not say for sure.
Ellie Blair on tue 15 apr 03
Thanks for the info. I will check it out.
Ellie
----- Original Message -----
From: "Rick Mahaffey"
To:
Sent: Tuesday, April 15, 2003 12:19 AM
Subject: Old noisy shimpo wheel
> Hello,
>
> We have several old shimpo wheels at school. I take mine to Clay Art
> Center, in Tacoma, Washington to get them repaired.
> I could do it myself, but it takes some time and time is what I do not
> have in cash. ;-)
> There are bearings in two places in an old cone drive shimpo wheel.
> One set on the electric motor and one on the wheel head.
> It has been my experience that the wheel head bearings go out two the
> three times as often as the bearings in the motor.
>
> To check turn the wheel head and listen with a stick held on the collar
> where the wheel head shaft joins the body of the wheel.
> Put the other end of the stick on your ear, an old auto mechanics
> trick, (it should be a smooth end larger than the opening in your
> ear.). Turn the wheel head and listen for bearings that sound like
> rocks instead of smooth round steel. If they are unbolt the collar
> and take it to a machine shop or if you have a good auto mechanic he
> may have a bearing press and can remove the old bearings which you can
> take to a bearing house and purchase new ones. Get high quality sealed
> bearings. (Henry Royce (the Royce in Rolls-Royce) once said " That
> which is humble, rightly done is noble".)
>
> Then you can take the works back and have the new bearings pressed on
> and then you are off to the races.
>
> Rick Mahaffey
> Tacoma, Washington, USA
>
> Ps. I think it is not as hard to replace the motor as you have been
> told, but I can not say for sure.
>
>
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