Makita Belt Sander

**adeben** · 2nd November 2012, 02:10 PM

For many years, I have had a Makita 9924DB belt sander, and found it to be a great machine. However, I was never satisfied with the dust collection from it: the dust was collected in the bag as shown in the picture below, and, given the rate at which the sander removes stock, the bag filled quite quickly, and emptying it was always a messy affair. There was also a haze of dust that had leaked through the bag.
Attachment 239163

The problem in attaching the sander to a vacuum cleaner lay in the shape of the outlet, which is rectangular.

Attachment 239164
I found a solution was to take short length of 40mm PVC pipe, heat it with a heat gun, and force the softened end over the rectangular outlet. I allowed it to reharden while in place. When it had cooled, I found it held the rectangular shape, AND snapped on and off, remaining in place quite firmly. I glued an external 40mm socket to the pipe to allow the connection of the vacuum cleaner hose.

Attachment 239165 Attachment 239166 Attachment 239167 238.jpg

I have now used it for more than a month, and, in that time, have done a fair bit of sanding. The fitting shows no sign of being dislodged while sanding is occurring. Additionally, the air around me seems much cleaner, and dust is being collected most satisfactorily in the separator attached to the vacuum cleaner. I should have thought of this about ten years ago!

**adeben** · 2nd November 2012, 02:13 PM

Sorry! Only one of the attachments seem to have appeared, but you can get the general idea.

**BobL** · 2nd November 2012, 03:23 PM

Another way to make these connections is with rubber storm water connectors as the hose and hose clamps will mould themselves reasonably well around rectangular connections.

BTW if you have a 2 or 3 HP DC you will get more airflow to/from a belt sander than you will with a vacuum cleaner (VC) . Plus you can vent a DC outside - not so easy with a VC.

**MBM888** · 2nd November 2012, 03:44 PM

I have the same beltsander and I tried using rubber hoses with clamps. Your idea seems to be better.

**GCP310** · 2nd November 2012, 05:35 PM

yeah, might look into that, as i have the rubber hose and two hose clip deal, and not 100% happy with it.

the VAC works great with the belt sander, sure, not as funky or as hip as a dedicated DC unit, but much easier to drag to site than a DC

The belt sander was the third item i converted to be connected to my VAC when i got the VAC, and now i find myself on a dust free crusade. I got a call today from the locall tool shop to say my dust port adapter for my 18v makita circular saw has arrived.

**BobL** · 2nd November 2012, 07:38 PM

Originally Posted by GCP310

The belt sander was the third item i converted to be connected to my VAC when i got the VAC, and now i find myself on a dust free crusade. I got a call today from the locall tool shop to say my dust port adapter for my 18v makita circular saw has arrived.

A Dust free crusade with a vacuum cleaner sounds like an interesting prospect. From what I've measured of vacuum cleaners, all they seem to do is shift the problem further into the invisible dust zone.

**adeben** · 2nd November 2012, 08:11 PM

I'm happy to get rid of the VISIBLE dust first, which this seems to be doing. I also appreciate the flexibility that comes from having the sander attached to an easily-moved vacuum.

**BobL** · 2nd November 2012, 08:38 PM

Originally Posted by adeben

I'm happy to get rid of the VISIBLE dust first, which this seems to be doing. I also appreciate the flexibility that comes from having the sander attached to an easily-moved vacuum.

Yeah, good point - definitely remove the big stuff before is turns into lots of little stuff.

**GCP310** · 3rd November 2012, 01:29 PM

Originally Posted by BobL

A Dust free crusade with a vacuum cleaner sounds like an interesting prospect. From what I've measured of vacuum cleaners, all they seem to do is shift the problem further into the invisible dust zone.

yeah, but your client cant see invisible dust onsite

, and as i said before, a large DC isnt really that portable to take to site when installing joinery, so the VAc with a bag and HEPA filter it is.

**GCP310** · 30th November 2012, 12:31 PM

i tried your method this morning.

i took a 25mm straight joiner and heated it up and stretched it over the rectangular duts port and let it cool. I the heated the other end of the straight joiner and then forced the
vac nossle into it to get the tapered shape and the let it cool again.

works a treat and looks much better than the bit of rubber and two hose clips i had on it before.

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