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Ridgid OSS stopping with mild pressure

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Forum topic by Matt Przybylski posted 465 days ago 583 views 2 times favorited 11 replies Add to Favorites Watch
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Matt Przybylski

438 posts in 1002 days


465 days ago

Topic tags/keywords: ridgid oss oscillating spindle sander

I was using my ridgid oscillating spindle sander today for the first time using the spindles and I had the 1.5” on there. I was rounding off some 3/4” ply and I pushed it into the drum. To my surprise with what I consider relatively mild pressure the drum would come to a dead stop until I moved the piece back to take really light portions off. Is this normal?

-- Matt, Illinois, http://www.reintroducing.com


11 replies so far

View GrandpaLen's profile

GrandpaLen

1494 posts in 896 days


#1 posted 465 days ago

Matt,

Did the drum itself stop spinning or could it have been the drum spinning inside the sanding sleeve.

I have, a couple of times, not tightened the tensioning knob down quite enough and the drum actually spins inside the sleeve when I applied pressure against the sanding sleeve.

...just a thought.

Best Regards. – Grandpa Len.

Work Safely and have Fun.

-- Mother Nature should be proud of what you've done with her tree. - Len ...just north of a stone's throw from the oHIo, river that is, in So. Indiana.

View Matt Przybylski's profile

Matt Przybylski

438 posts in 1002 days


#2 posted 465 days ago

Yes, it was the sleeve not spinning but the drum spinning. How would I go about tightening the sleeve on the drum?

-- Matt, Illinois, http://www.reintroducing.com

View GrandpaLen's profile

GrandpaLen

1494 posts in 896 days


#3 posted 465 days ago

Matt,

You slide the rubber drum onto the spindle, slide the sanding sleeve over the drum, put the proper sized washer on the threads at the top of the spindle and then thread the knob onto the top of the spindle and tighten the knob down onto the washer which applies pressure thru the washer and expands and compresses the rubber drum against the inside of the sleeve.

If the sleeve still slips you may have to clean the sawdust off from the mating surface of the drum, a little soap and water should do the trick to restore the grip or friction to the surface of the rubber drum.

Hope this solves your problem.

Work Safely and don’t loose your grip. – Grandpa Len. ;-)

-- Mother Nature should be proud of what you've done with her tree. - Len ...just north of a stone's throw from the oHIo, river that is, in So. Indiana.

View Matt Przybylski's profile

Matt Przybylski

438 posts in 1002 days


#4 posted 465 days ago

Ah, I had overtightened the knob when I was using the belt and had to use pliers to help me get it off. Then as I read the instructions it said “don’t over tighten the knob” so it probably just scared me off and I left it too loose. I’ll tighten it down harder during next use but not to the point where I can’t get it off.

Thanks GrandpaLen, as usual :) I sure love having you as a buddy. You’re always coming to my aide when I ask questions. It’s greatly appreciated. If you were closer to me I’d just hang out in your shop or mine and pick your brain all day :)

-- Matt, Illinois, http://www.reintroducing.com

View wncguy's profile

wncguy

200 posts in 936 days


#5 posted 465 days ago

Matt – one time I neglected to put the correct washer on the bottom of the shaft before putting on the spindle – same problem with spinning.
Also had seen issues with over tightening & I made a wood piece drilled out for knob configeration to help remove or loosen it. Can’t recall who posted the idea & photo, maybe someone will chime in.

-- Any man can be a father, but it takes someone special to be a Dad

View tyvekboy's profile

tyvekboy

532 posts in 1637 days


#6 posted 465 days ago

Matt—Taking the knob off can sometimes require assistance. I ran into that same problem so I made this little knob:

I just slip it on when I need it and store it near the OSS in a drawer after Iʻve removed the knob. You can also use it to help you tighten the knob

-- Tyvekboy -- Marietta, GA

View cutworm's profile

cutworm

1064 posts in 1417 days


#7 posted 465 days ago

Great idea Tyvek. How did you cut out the inside? I have the same problem.

-- Steve - "Never Give Up"

View GrandpaLen's profile

GrandpaLen

1494 posts in 896 days


#8 posted 465 days ago

Matt,

When I first started using mine, a few years back, I mostly used it with the Belt accessory and therefore left it mounted for the next time.
Because of the self tightening effects of the reverse threads on the retaining nut, which is designed that way so the vibration won’t loosen it, I find it a good practice to remove the belt unit or drum at the end of each day.
After a prolonged period of use, that retaining nut overtightens itself or so it seems and then it’s stuck.

-- Mother Nature should be proud of what you've done with her tree. - Len ...just north of a stone's throw from the oHIo, river that is, in So. Indiana.

View tyvekboy's profile

tyvekboy

532 posts in 1637 days


#9 posted 465 days ago

I cut out the inside of the knob with my scroll saw. Donʻt you have a scroll saw? If not, you need to get one. I didnʻt know how much I was missing until I got mine. I got the Delta/DeWalt 20 inch scroll saw and it works great.

-- Tyvekboy -- Marietta, GA

View Matt Przybylski's profile

Matt Przybylski

438 posts in 1002 days


#10 posted 465 days ago

@GrandpaLen: understood, I don’t use it enough right now because I’m in the middle of organization and every time I want to use it I have to whip it out, set it up, create room to put it, etc. my shop is a heaping mess right now but I have to finish a project I’ve been putting off far too long so that I can start on my shop projects next.

@tyvekboy: great idea though I don’t have a scroll saw at the moment either. I guess for the time being ill stick to using the plier method :)

-- Matt, Illinois, http://www.reintroducing.com

View Wally331's profile

Wally331

244 posts in 649 days


#11 posted 465 days ago

For the inside of the knob, you could always drill out 5 holes at each vertex of the star, and then use a coping saw to cut out the rest.

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