Question about Porter Cable 3" x 21" Electronic Variable Speed Sander

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Dust collector why would the sander stop collecting the dust?

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  • Anonymous Mar 27, 2014

    can't figure it out. thanks

  • Anonymous Mar 30, 2014

    In need of a dust collector bag

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  • 18 Answers

Dust collectors usually work off the motor via a fan. Either the fan is broken or the bag is blocked up.If the bag is too dirty inside you don't get any airflow through the bag which can stop it collecting. A good wash should do the trick

Posted on Sep 19, 2008

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Ryobi BE318-2 dust bag don't work


The pathway that the dust follows to reach the bag is most likely clogged. Take the bag off and look inside to see if there's sawdust plugging the orifice. If there is then you could vacuum out the dust or simply start up the sander and let the machine clear itself. If you do the latter just know that you will create a cloud of dust so do it in the proper environment.

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We bought a used dewalt heavy duty DW430 sander, it does not collect any dust at all, just spews it out all over the place, what could be wrong with it?


I have a sander similar to this one. \Have the same problem from time to time. Usual problems are
1- the feed hole that leads to the collection bag gets plugged up.
2- you do have thew collection bag don't you?
3- the collection bag gets plugged up so no air will go through it. Wash the bag out then let it air dry.
4- it might have the connection on it for a vacuum

Nov 04, 2013 | Dewalt Heavy-Duty 3" x 21" Belt Sander...

1 Answer

Makita Belt Sander 9404 - dust collection bag not collecting the dust. Shooting dust out the front. What can be done to remedy this?


the tool needs cleaned thoroughly. there might be a section of a belt that has jammed the passageway. UNPLUG the tool and turn over to see on the backside if the clog is there, if not I would recommend using safety glasses and compressed air to blow thru the channels to dislodge the material. I havae also used a shop vac to help in this.

Jul 27, 2011 | Makita 9404 4'' x 24'' Belt Sander

1 Answer

Air and dust no longer blow into dust collection bag. I suspect that there is a clog somewhere.


are you putting holes in the papper with the guide? there has to be holes in the paper for the dust collection to work

Oct 15, 2010 | Dewalt DW411 quarter - sheet palm grip...

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Plugged into vacuum...Done.


I haven't had this happen before but after looking at the parts diagram for your sander it looks as if a short has been created in the coils of the electric motor.
The sander is designed with a fan physically attached to the motor to assist in blowing out dust residue either into the dust bag or into a dust vac. Although adapters are sold to decrease the diameter on dust collection systems tubing i would guess that the total CFM's far exceed what Ridgid expected during engineering. The adapter port was most likely intended to be plugged into a small 5 to 10 gallon shop vac which won't generate the 650 and up CFM's that most dust collection units have.
So when the motor was attached to the dust collection unit the suction was probably turning the motor past what the electrical current was intending the motor to do, thus creating a short.
As for the fix. You can go through ridgid.com and get a replacement motor, or have the motor rewound and repaired by a specialist.
I would either leave the fan off of the motor shaft if you want to connect directly to the dust collection unit, not attach directly to the tool, or drill several large holes in the adapter to allow the cfm's to bring in air from around the tool as well as through the motor casing.

Feb 23, 2010 | Ridgid/One World Technologies Inc 6"VS...

1 Answer

Cant figure out how to install the sanding disc's


This info may help;

Features: DeWalt D26451K 5" Random Orbit Sander Kit
  • 3.0 Amp motor operates at 12,000 opm providing ideal sanding speed for smooth finish
  • Textured anti-slip top & body grip provides ultimate comfort and control during prolonged use
  • Controlled Finishing System maintains pad speed and minimizes gouging during start up
  • Dust-sealed switch prevents contamination
  • Sealed 100 percent ball-bearing construction provides longer life
  • High capacity dust bag with built in vacuum adapter provides maximum dust collection with or without vacuum
  • Dual-plane counter-balanced fan reduces user fatigue
  • Accepts 5", 8-hole hook & loop paper allows sanding discs to be switched back and forth quickly and easily
  • The sanding discs mate to the sander plate similar to Velcro, and this particular sander uses a 5" disc with 8 holes in it. Can be purchased in Home Depot, Lowes, etc....
Hope this helps!

Jul 23, 2009 | Dewalt d26451k 5" random orbit sander kit...

1 Answer

Should you oil head on 6" Fein random orbit


No oil, it will collect more dust and jam up your sander. An airsol can put out by TECHSPRAY called RID_OX lubricates and cleans without collecting dust and is safe on most plastics, you will find it at an Electronics supply store.

Jul 10, 2009 | Fein 6" Dust - Free Random Orbit Sander -...

1 Answer

Sander was running and then just stopped running and now it wont turn on. Does not smell like it burnt up there was some dust in the moter, but i think thats going to happen.


I had the same problem with mine. The problem was dust build up on the motor brushes. I would suggest, if you haven't already, cleaning the brushes.

Jul 08, 2009 | Porter Cable 7800 Drywall Sander With Dust...

1 Answer

Belt sander clogged dust collection


What have you been sanding?  Make sure the sander is unplugged. Remove the dust collector bag and use a flexible wire, like a coat hanger, to free the clogged material from the dust tube.  Replace bag and sand away!  Hope this solution works for you.  Michael Mittelsdorf

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