Snap Rings in Dust Collector


I recently purchased a Delta 50-763 which is a 3hp unit with two bags both on top and bottom.
One of the new "features" is a cloth covered SNAP RING that replaces the older cam over locking bands.
I thought that was a pretty cute but odd feature when I was putting the unit together but it sure did work.
It is basically a cloth covered piece of spring steel that fits perfectly "inside" the unit with the top of the bag wrapped over the snap ring. Once this ring is inserted, pulling the bag off is impossible.
Over the weekend, I finally started using the unit and while planing a big stack of cypress I almost filled one of the big bags with planer shaving. They had sent me a couple of extra bags and I thought it was time to empty out the bags.
I attempted to "pull" on the bag thinking that would release he snap ring. Nope...Nada...nothing.
I pulled,pushed, and then started the cussing.. Nothing helped. That ring is not gonna collapse without a lot of help.
I finally got out the utility knife and cut the bag off the unit. I could still NOT remove the ring. After a great deal of pulling and cussing, the ring finally started to slip and I managed to get it off.
I am now covered in saw dust and shaving and I'm ready for the dart gun to calm me down. The bag is ruined and I got saw dust everywhere from all the screwing around.
I must admit, Delta did send a pair of the "old style" locking bands and now I wonder why they did that ???
Any bright ideas of how in the name of god to get a "locking ring" out of the unit with the bag on ???
PS:
I called Delta this morning and would you believe that tech support could not come up with a acceptable way to do this ??? (stick finger in bag and pull ring)
The manual makes NO mention of how to remove the straps.
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You will find the addition of a separator a welcome addition to your DC system. I didn't use my DC for long before I realized the need for a trash can collector that catches nearly ALL the heavy shavings and much of the finer dust. It's so easy to pop the lid off the trash can and dump it. total time is under a minute. Beats screwing around with the bags.
Dave
Pat Barber wrote:

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David wrote: You will find the addition of a separator a welcome addition to your DC system. I didn't use my DC for long before I realized the need for a trash can collector that catches nearly ALL the heavy shavings and much
of the finer dust. It's so easy to pop the lid off the trash can and dump it. total time is under a minute. Beats screwing around with the
bags.
Yabbut, you'll still have to empty out the bag every now and then. If Mr. Barber's talkin' about what I think he's talkin' about, try pushing radially on the bag at one point as near to the ring as possible. The ring should bend inward, allowing removal. I think... Tom
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It took me a couple of bagfuls to figure that out. Now I empty it at about 1/2 to 2/3 full in just a minute. What you DO NOT want to do is overfill it so the chips are starting to fill the top bag. That would make a mess. Not that I would ever do that, of course, I've just heard stories about it. Yeah, that's it, I heard stories about it.
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I tried that method BUT the problem is that the ring is "inside" the collector with no way to "get behind" the band and "push" but I do understand what you saying.
I'm thinking about using a method that is used in the electronics industry.
Using a piece of flat "ribbon" with one loop around the band, I should be able to grab the ribbon from outside the bag and "pull" the band toward the inside and release the pressure.
This is similar to the ribbons found in a battery compartment of a electronic device.
(sounds good on paper but we shall see)
tom wrote:

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Just push in the right spot. No need to un-do anything. Grab the bag with your hand and push. A good push right below the housing will cause it to pop inside and you just remove the bag. Honest, give it a try. Easy to go back also.
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I tried that method, but with plastic bags almost full and damn near five feet high, this method don't work too well. This unit is quite large(110" high x 66" long)
These bags are huge and the band is UP high inside the unit, which gives you no leverage point from the outside.
I do believe a cloth bag might react differently as I can break the tension on the upper "cloth bag" with the "push" method.
Edwin Pawlowski wrote:

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It sounds like the same kind of setup my JET has. Lift the bag slightly and push up on one side of the ring. When it is tilted, it slides right out.

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I like your ribbon idea. I have a Jet 650CK, and although I figured out the trick of pushing in the ring to fold it, it's not easy. The ring is so stiff, it seems like there is a risk of ripping the bag, so I usually remove the canister and pry the ring inward from above . A ribbon or pullcord hanging from the ring would probably make it simple to pull in from underneath. It's worth a try.
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I added a seperator can on Sunday after the "struggle" with the snap band. It will help out but I still need a reasonable way to get the damn bags off without destroying the bag and completely losing my composure.
In my current config, the seperator is only on the planer line, which is the major shaving generator. I am running four lines all at one time.
The 3hp is strong enough to hold the lid on the can with enough force that it is difficult to remove.
David wrote:

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Pat Barber wrote:

Pat,
I looked up the Delta manual to see if I understood what you described. I think this snap ring is identical to the one used on my Jet dust collector. The main difference between mine and yours is that I have a canister filter on top instead of a bag.
I'll relate my experience of dealing with the ring and hope it helps you. They key to getting the ring to release is that you must "fold" it inward. Don't even think about trying to slide it up or pull the bag loose from it.
The easiest access to the ring for getting it loose is to remove the upper bag (canister in my case) and then grab the ring and pull it toward the center. Once it "gives" the bag will come loose easily.
This is difficult to describe in words. All I can say is that it requires holding your mouth right and you can get it done without having to resort to cutting anything off.
Bob
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You may be on to somthing... "If" I can get the top bag off, which is also put on with a built-in snap ring.
I gotta think the top bag will be a "wee bit" easier than the bottom but I don't remember the top bag being a big deal... WE SHALL SEE tonight.
You are right about not being able to pull down on the bag or getting anything to slide.
Thanks for the idea...
snipped-for-privacy@yahoo.com wrote:

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In article

Merely push in on the bag right where it joins the metal separator. The ring will collapse inward and then you can cant it to remove it.
--
Owen Lowe
The Fly-by-Night Copper Company
  Click to see the full signature.
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I have had no success using that method. The problem is that the ring is much further "up" in the DC that when you shove against the bag, you get no leverage.
BUT I did find a way last night
The upper bags are also contained by this new "snap ring" but by "pushing" quite hard, you can break the tension which allows you to reach down inside the unit to release the tension on the lower bag ring.
This is not an acceptable way(to me) and I will try my "ribbon" method some time this week.
Fly-by-Night CC wrote:

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When you place the empty bag inside the separator push the ring and bag to the top or bottom of the separator. At least on the Jet, there's a lip at the edge that stops the expanded ring at the bottom.
--
Owen Lowe
The Fly-by-Night Copper Company
  Click to see the full signature.
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I think Jet first introduced that feature, and it is one of the reasons I chose their DC afew years ago. It sounds like Delta copied it, although I have not seen one. On the Jet it is also difficult to get the ring out IF you let the bag get nearly full. I have found that pushing up on the bag and ring together allows you to get your finger behind the ring and then it goes pretty easy. But it is NOT easy with a full bag, and it will ALWAYS spill more dust than the old clamp style. I still like it better than the outside clamps.
-- ******** Bill Pounds http://www.billpounds.com
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