Sycrowave question

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How/where would I lubricate the polarity switch on a syncrowave? can I just spray down the copper fingers with white grease, or will that mess with the electrical connections? Steve kind of described it to me but actually seeing the guts for the first time I am a bit perplexed. is it recommended to clean this switch in anyway? It is kinda hard to turn, not sure how much resistance is normalAlso it looks like these machines were run on 200 volts??? why would anyone do that?Miller Multimatic 255
Reply:200vprobably was supplied with Single Phase 208v from a 3 phase Wye system- Line to Line = 208v http://www.bmillerengineering.com/elecsys.htmEd Conleyhttp://www.screamingbroccoli.com/MM252MM211 (Sold)Passport Plus & Spool gunLincoln SP135 Plus- (Gone to a good home)Klutch 120v Plasma cutterSO 2020 benderBeer in the fridge
Reply:Originally Posted by Broccoli1200vprobably was supplied with Single Phase 208v from a 3 phase Wye system- Line to Line = 208v http://www.bmillerengineering.com/elecsys.htm
Reply:Originally Posted by Broccoli1200vprobably was supplied with Single Phase 208v from a 3 phase Wye system- Line to Line = 208v http://www.bmillerengineering.com/elecsys.htm
Reply:Originally Posted by Willie BOr Delta neutral to high leg. With delta it's easy to load one phase with 120 volt load. leaving the other two unloaded. anything you can put on the high leg is desirable.
Reply:Originally Posted by Broccoli1I thought Phase to Phase would be 240v on that system
Reply:Originally Posted by 7A749Well, glad I covered the part about lubing the switch.......