On Tue, 23 Sep 2008 09:08:00 -0500, Tom Veatch wrote:
My experience may be slanted towards the difficulty in getting a true
dustproof switch in a motor that is truly going to be in a very dusty
It is a problem that had more warranty action.
However, you may be right in that if a switch is well designed and
well made, gone through many cycles then failure of the cap may be
just as prevelant.
As a journeyman electrician and a electronics technologist. " dead cap"
or "busted centriflucle switch" no....big.......deal .... take cap and /or
motor to any electrical parts dealer... get off the shelf.
Before you go purchasing a capacitor, if you are comfortable opening up
motors, disassemble it and check out the starting switch, it may be stuck in
the open position. The mechanism may need cleaning and lubricating so that
it operates smoothly. It should be closed when stopped, and when power is
applied the motor should start with the starting switch opening as it
approaches operating speed.
When you open up a motor, you are almost guaranteed to "brinell" the
ball bearings getting the motor open which is why most motor shops
replace the bearings when they open a motor.
Unless you have an arbor press, and the knowledge how to reassemble a
motor so you don't "brinell" the new bearings during assembly, opening
up a motor is to be avoided by the amatuer.
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