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Hey guys I just bought a 1250 cfm dust collector and canister filter from Rockler. It sucks great but dust seems to come out of the filter when its on. You can watch the dust in the clear bag strapped at the bottom start swirling and make its way out of the filter. It is not coming out of the bag it's literally through the canister it self. Any thoughts ? Thanks !!
 

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welcome to the forums N/A...
what's the make/model of the DC and micron rating of the canister???
 

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this is the usual canister and collection bag set up...

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is this more like your set up???
how new is the unit???
what size input lines do you have installed???
are you using the 30 micron collection bag or a clear plastic one???
 

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Could I have subscribed to this thread without posting on it? I had never seen this dust collector set up though it is similar to my portable delta and holtz-her units that have a ''dust bag''
Rob
 

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Lyle (just guessing at the name) if you are referring to a cloth bag as the filter then you should know that these bags are rated to a certain micron size. Some as large as 5-7 microns which won't stop fine sawdust at all, chips yes but not so much the finer particles. Cut something like MDF and you'll have plenty of dust floating in the shop. Check the rating of the bag/filter. My CV1800 is rated to .5 micron and captures almost all of the sawdust. Filter Efficiency: 99.999% at .5 micron (MERV 15)
 

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Here is what I have that may answer your comments:

I installed a dust monitor in my shop so I know the amount of dust that I am breathing. Sometimes I don't see dust, but the monitor tells me I have a problem.

Someone pointed out about the rubber gasket. I just got a new Laguna filter for my dust collector. There was no gasket at either end of the filter. I put it on as-is and attached the hose to the thickness planer. The dust monitor read over 5,500 whereas it is generally under 100. I knew what the problem was because of no rubber gasket. I sent Laguna a message that they should put a warning on their filters that the customer should buy a dust monitor and they should buy a gasket. The gasket that Laguna sells doesn't go all the way around their filters. It takes at least two gaskets to go around it.

Hope this helps!

Malcolm / Kentucky / USA
 

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I don't think we have a response on what type of unit we're talking about. Being Rockler, I think it is the one with the blower on top, plastic bag on the bottom and the canister in the middle. So it's hard to guess what the problem is. A defective filter (it would leak more in one place more than any other). Or it could be the ring that holds the bag in plce in which case there would be dust accumulation on the filter just above the retaining ring. Or one of the rings around around other connectors which would deposit leaking sawdust near the connector.

It would certainly help to have a chip separator between the machine and dust intake on the side of the blower. Hopefully Lylevegas will come back and let us know which one, but the areas I mentioned is where I'd be looking. On my DC system, the retaining ring holding the bag in place wasn't tight enouth and the high pressure coated the leaking area with a fine layer of sawdust.
 

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Could I have subscribed to this thread without posting on it? I had never seen this dust collector set up though it is similar to my portable delta and holtz-her units that have a ''dust bag''
Rob
Yes you can subscribe without posting at the top of the thread it says tools click on that and you’ll see where it says subscribe click on that your Subscribed
 
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Make sure all connections are tight. If the bag is the source of the dust you may need to modify your set up. I have a Jet DC1100. It has a cannister filter and not a Cloth bag. At the bottom is a clear plastic bag. The collector worked fine but the filter would clog up and the efficiency would go way down. I bought an Onieda Dust Depty 4" with a 30 gallon collection can. Since I put that on I have no dust in the bag and no fine dust in the canister filter. This is an added expense but really works. Personally if it is not very old then take it back and buy a dust cyclone extractor. If you already have a collector then add the dust deputy 4" and it will work very well. Onieda makes a 6", 5" and 4". I bought the 4" at Wood craft for $215.00 because I use 4" hoses and did not have to make a bunch of adapters. The collector has a 6" intake but I already had an adapter from 6" to 4" and existing hoses. Dont confuse the Dust Deputy with 2.5" with the Super Dust Deputy.

If I were to have to buy a new collector I would buy a cyclonic type to start with. The filter stays clean and cfm stays high. Some of the cyclones when the collection bin is over half full will start to sipon the chips and dust into the main bag. If you see chips in the main bag dump the cyclone bin. Also if there are any air leaks you may bet dust in the main bag so check for leaks in your hoses, clamps and so on.
 

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doesn't that set up choke your efficiency down???...

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I don't think we have a response on what type of unit we're talking about. Being Rockler, I think it is the one with the blower on top, plastic bag on the bottom and the canister in the middle. So it's hard to guess what the problem is. A defective filter (it would leak more in one place more than any other). Or it could be the ring that holds the bag in plce in which case there would be dust accumulation on the filter just above the retaining ring. Or one of the rings around around other connectors which would deposit leaking sawdust near the connector.

It would certainly help to have a chip separator between the machine and dust intake on the side of the blower. Hopefully Lylevegas will come back and let us know which one, but the areas I mentioned is where I'd be looking. On my DC system, the retaining ring holding the bag in place wasn't tight enouth and the high pressure coated the leaking area with a fine layer of sawdust.
Tom it is the one in the second picture I posted.
The one with the filter above and the clear plastic bag on the bottom. This one:
Herb
 

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this is the usual canister and collection bag set up...

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Stick,

I have the exact same Jet DC (Model DC-1200VX, with Canister Kit), Vortex Cone, 2 HP, 230 volt, that you have I believe? Do you have 4" or 5" metal main duct running to your unit? I have been using the plastic, flexible, corrugated 4" line as a "temporary" measure (which has become a permanent set up) until I get a metal duct set up layed out and run. I will be running the metal main line for ~25 feet with the usual drops for TS, BS, Jointer, Miter Saw and lathe. I just roll my planer to a door and let it exhaust outside. Just wondered if a 4" trunk line would do the job. Would have metal blast gates for each machine.

Don
 

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Stick,

I have the exact same Jet DC (Model DC-1200VX, with Canister Kit), Vortex Cone, 2 HP, 230 volt, that you have I believe? Do you have 4" or 5" metal main duct running to your unit? I have been using the plastic, flexible, corrugated 4" line as a "temporary" measure (which has become a permanent set up) until I get a metal duct set up layed out and run. I will be running the metal main line for ~25 feet with the usual drops for TS, BS, Jointer, Miter Saw and lathe. I just roll my planer to a door and let it exhaust outside. Just wondered if a 4" trunk line would do the job. Would have metal blast gates for each machine.

Don
6'' snap lock w/ take off saddles..
it's the 1100 vortex that I have...
saddles look like so...

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