Re: How to Bypass VS Switch
Hi,
that looks like a series wound universal motor.
Can you measure the resistance of A-D and B-C. I suspect these are the two field windings and would expect them to 10 Ohms each or less,
so you'll need a good multimeter or other low resistance measuring device like a Kelvin bridge.
If it is indeed a series wound universal motor then your idea should work.
Craig
Re: How to Bypass VS Switch
Have you tried flushing the switch out with contact cleaner? If it's an old pot may just fix it.
Sent from my SM-N970F using Tapatalk
Re: How to Bypass VS Switch
Quote:
Originally Posted by
joeavaerage
Hi,
that looks like a series wound universal motor.
Can you measure the resistance of A-D and B-C. I suspect these are the two field windings and would expect them to 10 Ohms each or less,
so you'll need a good multimeter or other low resistance measuring device like a Kelvin bridge.
If it is indeed a series wound universal motor then your idea should work.
Craig
Between A & D or B & C I get nothing but between A & B I get 12.5 Ohms and between D & C I get 10.2 Ohms
Thanks
Re: How to Bypass VS Switch
Quote:
Originally Posted by
boydage
Have you tried flushing the switch out with contact cleaner? If it's an old pot may just fix it.
Sent from my SM-N970F using Tapatalk
The switch has 3 contacts which they slide on 3 metal strips, one of the contacts is broken so no cleaning will fix this
Thanks
Re: How to Bypass VS Switch
Hi,
on the basis of those measurements I would guess you have a series wound universal motor, although not the wiring I
expected. Give me a while to think about it.
Craig
3 Attachment(s)
Re: How to Bypass VS Switch
Before I decided to remove the VS switch I bought a similar switch from Amazon and although the 4 pins were a bit off I managed to install it and it worked. However when I remove it to double check everything, the connection where the Black wire was attached broke off and then I decided to scrap this switch.
However this morning looking at it again I “think” I found where it broke off and I re solder the connection. Since I don’t want to damage the motor is there any way to test the 4 pin module before I plug it to AC to assure what I did is correct?
Re: How to Bypass VS Switch
Hi,
to test run try a lower input voltage, ideally a Variac turned down to 50VAC say. Alternately feed it through a 100-200W incandesant light bulb.
Craig