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Forum topic by Chasley posted 11-09-2017 01:36 AM 594 views 0 times favorited 4 replies Add to Favorites Watch
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Chasley

3 posts in 426 days


11-09-2017 01:36 AM

Topic tags/keywords: powermatic pm 2244

Hi. First post here. I’m helping the local HS shop teacher get some of his tools dialed in (a lot of their stuff is better than mine), and we’re having trouble with their drum sander. The machine is fairly new, but when sanding it suddenly shuts completely down in the middle of a pass. I assumed they were taking too big of bites, but I set it to take 1/64 and it would make a couple passes, but then do the shut down thing again. The Feed Logic light does come on, but the manual says in extreme cases it will stop the conveyor, not shut the whole machine down. Any thoughts?


4 replies so far

View TungOil's profile

TungOil

1006 posts in 615 days


#1 posted 11-09-2017 02:27 AM

I have the 22/44. 1/64” is waaaaay to big a bite for that machine. You should looking at closer to 0.005” per pass with 60 or 80 grit. Less for finer grits.

-- The optimist says "the glass is half full". The pessimist says "the glass is half empty". The engineer says "the glass is twice as big as it needs to be"

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Woodknack

12340 posts in 2500 days


#2 posted 11-09-2017 02:29 AM

I would call Powermatic tomorrow. They can probably diagnose and get parts to you in a snap.

-- Rick M, http://thewoodknack.blogspot.com/

View alittleoff's profile

alittleoff

541 posts in 1397 days


#3 posted 11-09-2017 04:08 AM

Probably a dirty auxiliary contact on the main contactor or starter. It will most likely be on the side of the contactor or starter. It holds the starter in the run position when you hit the start button.
Gerald

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Chasley

3 posts in 426 days


#4 posted 11-09-2017 06:39 PM

Thanks for the help guys. I’m going to recheck with much smaller bites, but the dirty contact sounds like it rings true. According to docs, with overload the conveyor should stop, but not shut the whole machine down. I’ll post solution if I find it.

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