Sears Craftsman Dust Collector Refurb (113.299780)

Last summer I acquired a Sears Craftsman dust collector (113.299780) at auction for $50. It had been stored in a barn for quite some time (and it showed). Lots of rust, dust and other debris and possibly some animals living inside. But it did work, so the purchase was made.

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It sat in the garage for a year, until a couple weekends ago the work to clean it up began. The simplest way to attack the rust was to sand all the surfaces with 150 grit sandpaper. To get started, the thing was completely disassembled.

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Then the work began… all surfaces were completely sanded down, removing not only the rust, but at times the paint as well.

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With all the surfaces sanded smooth, or as smooth as possible, several coats of Rust-Oleum spray paint were applied. In keeping with the color scheme in my garage, gray and black were used (and a little blue).

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The upper and lower parts of the air chamber were sealed with a vinyl gasket that did not survive the dis-assembly process. In it’s place some closed-cell weather stripping was used (which works great).

The only putting the thing back together was a thread that broke off where the tube mounts to the air chamber. Theses are not nuts welded on, but rather extruded holes that are tapped. Cheap, and the rust must have weakened it. To get around the issues, a bolt was run through in the opposite direction and held in place with lock washer/nut combination.

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The final bit was to replace the casters. Replacements were purchased at Harbor Freight and with some modification to the bottom tray, they fit perfectly.

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And that completes the project!

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5 comments for “Sears Craftsman Dust Collector Refurb (113.299780)

  1. Dennis Teepe
    February 20, 2016 at 4:02 pm

    beautiful job on this restoration, I’m impressed. I’ve been reading your blog/website, didn’t know it existed until I started looking around to restore this same model dust collector.
    I just picked up a Delta 10″ Unisaw, and they threw in the dust collector. The dust collector had been sitting in a shed for who knows how long, and probably a million mice had peed on it. I carried it out wearing a respirator. There was nesting material in every available space, including the bottom bag. The top bag had been tossed into the bottom one. Luckily the mice only chewed a small hole in one bag, but they are fairly filthy.
    The filtration housing/impeller area was filled with mice stuff. I need to get it apart and give it a thorough scrubbing, or I’ll be blowing mice dust around for years. (I did plug it in and turn it on for a half second, the motor does work, so it is worth restoring.) How did you get the filtration housing separated? Brute force? And your gasket did not survive; that’s what I am afraid of. Where do you get the closed-cell weather stripping you used in it’s place? How do you buy that, in strips? various widths and thicknesses?
    It’s possible I can give it a bath and flush it as it’s assembled, but I don’t think it would be a good idea to get the impeller wet.
    What do you think?
    Lincoln, RI

    • Dave
      February 20, 2016 at 8:27 pm

      Hi Dennis,

      It was disassembled with brute force, sort of. It was stuck together with the vinyl gasket material. The chamber was full of mouse stuff as well. The weather stripping is just the off-the-shelf type, probably bought at Home Depot or Menards (I cannot remember, it was extra that I had around the shop). You could rinse it out, as long as the motor was removed first. Personally, I would just disassemble as I did and do a complete clean and paint.

      Thanks for the post, let me know how you make out (upload a picture or two).


  2. Dennis
    March 13, 2016 at 3:09 pm

    Dave –
    I’ve got the machine 90% disassembled and cleaned up. I was able to salvage the vinyl gasket with minor tears, so I think I’ll be able to put the housing back together with this and a small bit of silicone or epoxy.
    I really need to get the motor off and have it serviced and cleaned out. How did you get the impeller off? I was able to remove the large nut and washer, only to discover a partially visible keystock looking piece, but I can’t figure out how to get it out. Once that comes out, I can take the bolts off holding the motor and clean it. Everything else is good to go, this is my last stumbling block.
    Luckily there is not much rust at all. It was hard to tell before removing all of the mice stuff. I might be able to just put it back together and use it without repainting it.

  3. Dave
    March 13, 2016 at 8:00 pm

    Hey Dennis,

    I never did get the impeller off… exactly the same as you. I was going to try a gear-puller, but decided it was not worth the effort. If you have a motor issue, it would definitely be worth your time though. Let me know how it goes!

  4. Mike
    September 13, 2016 at 12:04 am

    Impressive resto! Can you tell me where you found the bags to replace the originals? I’m desperately trying to find some but not having much luck.


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