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View Full Version : Porter Cable 333 orbital turns slow



Scott Austin
08-12-2014, 10:27 PM
My Porter cable 333 orbital sander turns slow. The brush's look good, the bearings spin fine, the wires on plug end are good, no difference when I wiggle the cord. What would make it turn slow ?
I have 4 total of these, 1 works has a slight vibration. I am going to leave it alone as I need one to keep working.

Bill Orbine
08-12-2014, 11:14 PM
Did you take it apart at one point just before the sander starts running slow??? There's a couple cardboard like insulator piece near the brush connections (I think) that falls out. I reckon once these falls out there some sort of electrical interference. I have four or five over those collecting dust :rolleyes: Using something else.

Scott Austin
08-13-2014, 7:44 AM
No it slowed down on it's own. What are you using now ?

Bill Orbine
08-13-2014, 8:00 AM
No it slowed down on it's own. What are you using now ?

Festool 125

lowell holmes
08-13-2014, 8:48 AM
I discarded my failed PC 333 and bought a Ridgid orbital sander.

It performs great!

Scott Austin
08-13-2014, 1:07 PM
Bill, my wallet wont recognize that brand. My hardwood supplier has it & loves it.

Edward Oleen
08-13-2014, 2:28 PM
I've never had any luck with PC. I've learned - the hard way - to go with DeWalt.