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Table saw motor problems...capacitor?

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Forum topic by JSB posted 499 days ago 1054 views 0 times favorited 7 replies Add to Favorites Watch
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JSB

681 posts in 715 days


499 days ago

Topic tags/keywords: video

I have had this saw for less than 6 months and have had my fair share of complaints. Now, on a Friday when I have an entire weekend of shop time planned the saw acts up. I was ripping some pine 3/4 plywood when it just stopped mid cut. I noticed the built in breaker was tripped so I reset it and tried it again. It spins slowly for a couple revolutions and trips the safety breaker again. Is the capacitor dead? POOR QUALITY Porter Cable :(

Here’s a video
http://www.keek.com/!b3KLbab


-- Jay - http://www.jayscustomcreations.com or http://www.woodworkingwithsketchup.com


7 replies so far

View BurtC's profile

BurtC

89 posts in 1766 days


#1 posted 499 days ago

Sounds like no starting windings, usually that is the centrifugal switch. Once motor gets up to speed it disengages voltage to starting windings. Try blowing thru vents at rear of motor. Maybe dust got in there..

View MrUnix's profile

MrUnix

483 posts in 835 days


#2 posted 499 days ago

Since it died while in use, I doubt it has anything to do with the start circuit. I’d start by seeing if it has a run capacitor and testing it with a multimeter..

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

View tomd's profile

tomd

1752 posts in 2407 days


#3 posted 499 days ago

I agree with Burt, blow it out with compressed air and if possible lub the centrifugal switch.

-- Tom D

View NormG's profile

NormG

4114 posts in 1640 days


#4 posted 499 days ago

I hope you can get to Tuesday very soon. I agree use air to try and clean it out

-- Norman

View JSB's profile

JSB

681 posts in 715 days


#5 posted 499 days ago

Thanks for the help guys. I ended up taking the entire motor apart. It was filled with very fine dust. Cleaned everything and it runs like a champ.

-- Jay - http://www.jayscustomcreations.com or http://www.woodworkingwithsketchup.com

View nobuckle's profile

nobuckle

1120 posts in 1397 days


#6 posted 499 days ago

Your new dust collection solution should help to prevent that. In theory anyway.

-- Doug - Make an effort to live by the slogan "We try harder"

View Roger's profile

Roger

14447 posts in 1440 days


#7 posted 498 days ago

Wow. Dust is a bad, bad thing I see. Glad you got it going. I was gonna say to just call PC with it still being new

-- Roger from KY. Work/Play/Travel Safe. Kentuk55@bellsouth.net

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