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Thread: Friendly reminder to clean out your dust collector's canister filter!

  1. #16
    Join Date
    Mar 2003
    Location
    SE PA - Central Bucks County
    Posts
    65,688
    Quote Originally Posted by Jason Evans View Post

    Has anybody ever burned up a motor because of clogged filters?
    The motor is working the least when there's no air flow through the impeller. Impaction of the filter reduces the load/heat.
    --

    The most expensive tool is the one you buy "cheaply" and often...

  2. #17
    Quote Originally Posted by Jim Becker View Post
    The motor is working the least when there's no air flow through the impeller. Impaction of the filter reduces the load/heat.
    Oh, Ok thanks, that's interesting. I was looking at it backwards. I was thinking that it had to work harder to try to pull the air through. Now that you mention it I remember people talking about worrying about burning out motors when exhausting outside.

    Is a shop vac the opposite? I was also thinking they get burned out if there is not enough air flow.

  3. #18
    Join Date
    Sep 2010
    Location
    New England
    Posts
    2,474
    If, when this happens to anyone, it's really important to take your time cleaning the canister to avoid damaging the paper filter.

    Been there (not quite that bad but close), so go slow and be gentle. Those babies are expensive!

    After you get the 'cake' off, a paint brush is your friend.

  4. #19
    Join Date
    Sep 2009
    Location
    Fairbanks, Alaska
    Posts
    158
    Jason, I would go for 0-4 inches/water as ideal, up to 0-8 inches. More than that puts you too far down on the bottom of the measurement range.
    Cheers
    Sean

  5. #20
    Join Date
    Sep 2009
    Location
    Fairbanks, Alaska
    Posts
    158
    Jason, some shop vacs use the airflow for cooling as well, these can be damaged by no airflow. Not to mention most have a very high rpm brushed universal motor instead of induction motor. Think router table vs shaper.
    Cheers
    Sean

  6. #21
    Got it, thanks a lot Sean.

  7. #22
    Join Date
    Dec 2006
    Location
    Toronto Ontario
    Posts
    11,248
    8E595136-B42B-47C6-8997-001957495C8A.jpg
    Quote Originally Posted by Jay Rasmussen View Post
    Great idea, would like to see how you folks installed your manometer.
    Hi Jay, here’s mine,

    It connected to the fan exhaust elbow via a piece of 1/“ tubing, the other port on the manometer is open.

    You can make a manometer with a piece of clear tubing in a U shape, filled with coloured water.Regards, Rod

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