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Thread Number: 38609
/ Tag: Recent Vacuum Cleaners from past 20 years
Royal Power Tank Motor Sparking—Is this normal? |
[Down to Last] |  |
| Post# 410447 , Reply# 1 6/14/2019 at 02:08 (1,777 days old) by panasonicvac (Northern Utah) | ||
It's normal | ||
| Post# 410449 , Reply# 2 6/14/2019 at 04:31 (1,777 days old) by huskyvacs (Gnaw Bone, Indiana) | ||
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| Post# 410453 , Reply# 3 6/14/2019 at 09:09 (1,777 days old) by Electroluxxxx (……) | ||
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Looks to be running normal. | ||
| Post# 410491 , Reply# 4 6/15/2019 at 01:07 (1,776 days old) by broomvac (N/A) | ||
That looks very healthy, actually.
I always recommend against sanding/polishing/refinishing commutators. For one, there’s no reason to do so. If the motor is running fine, that means that there isn’t a highly resistive layer between the commutator and the brushes, so cleaning the commutator wouldn’t accomplish anything. If the motor is not running well, then cleaning the commutator only treats the symptoms, not the root cause of your motor’s problems. The other reason to not do it is that it does remove commutator copper which you will never get back. It’s kind of like doing a burnout in your car; you’re intentionally abrading away your tires. Not only that, but if you polish by hand, there is the potential to remove this material nonuniformly, leaving your commutator surface uneven. 👎 If I were you, I’d leave your Royal be. By the way, it looks to be a quality motor. I believe that is a Lamb/Ametek unit. | ||
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