My dust collector is hardly six months old and it seemed like it was losing
its suck. I've been gradually adding more to the duct network and figured
I'd miscalculated the loss or something. The plastic bag was about 2/3 full
and I decided it was time to bite the bullet and empty it. I also took off
the big cartridge filter and cleaned out the dust cake. Wow, its amazing
how much dust this cartridge will hold.
After I put everything back together and tried it out, I was amazed. Its
like I added another horsepower to the capacity. I have a 4" topside
collector for my tablesaw. The old gale force is back and doing what I
originally designed it to do - suck up everything but the paint on the saw.
You've just made an important discovery. I'm not quite sure why,
but people who have no difficulty recognizing that their shop vac
works best when empty frequently seem unable to grasp that their
dust collector behaves the same way.
( If your shop vac is 2/3 full, then it's probably time to empty
that too :-)
I have a girlie calendar hanging about 10' away from the exhaust port of my
dust cyclone. When the cartridge filter is clean she dances wildly, when she
slows up I know it's time to clean the filter. Cheers, JG
Bob Davis wrote:
The first thing I check is for a clog in the tubing when the DC seems
to bog in performance. Many times I find sticks blocking the way.
The felt bags get a 1/2" layer of fine sawdust on them, and I knock
that off but never wash them (per manufacturer's recommendations).
Over time, flex-type tubing will need replacing as more pin holes
appear. Another improvement is rewiring the DC for 220v for better
starts, smoother cooler running, and less power consumption.
How do you remove the dust cake from the cartridge filter? If I
remember this correctly, you are using a JET cansiter dust collector
that uses cartridge filter instead of a dust bag. I have recently
bought the same dust collector. I would like to learn from you before
the filter cartridge in my dust collector gets filled up.
Do you use compressed air and blow air from the outside of the
cartridge filter (and through the wire mesh screen)? How big your
compressor is? I assume a small air compressor will not be able to
handle this task. Or do you use a tire-inflator to blow air?
I believe that the original poster is using a canister dust collector
that also has a "handle" (just like mine). The fact that he needed to
take down the filter cartridge to clean out the dust cake seems to
suggest that the "handle" alone may not be good enough, right?
Hopefully, the original poster will help us with this.
right from the outside in just the opposite of the airflow. the more airflow the
faster the job will be. You don't want too much pressure though I would not use
over 100 psi. I have a cheap 5hp crapsmen compressor that works fine.
but if you have a smaller compressor it may just take longer. I wonder maybe a
shop vac would do it in reverse? I have not tried it.
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