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Thread: G1079 Grizzly Double Drum Sander - Howling from drums

  1. #1

    G1079 Grizzly Double Drum Sander - Howling from drums

    When I bought this, there was no such thing occurring on the test board the previous owner demonstrated. Not knowing any different, when I got it home and setup the drums according to the specs in the manual. When operating the sander, I was only able to move the table up by less than an eighth of a turn. Even then, this ear piercing squeal emanated from the drums. I have 80 and 120 grit papers on the drums. I checked the bearing and replaced two, changed the drum drive belt and ensured the motor was tight. Has anybody encountered this. I'm in the process of sending a video to Grizzly to see if their techs can help me.
    THanks for any help on this. My neighbours about 1000' away wondered what was going on??!!

  2. #2
    Join Date
    May 2007
    Location
    Trinidad, West Indies
    Posts
    458
    Does it squeal only when board is going through?

  3. #3
    Join Date
    May 2007
    Location
    Trinidad, West Indies
    Posts
    458
    Normally I do several passes at same depth setting. Is that what you are doing?

  4. #4
    Join Date
    Dec 2010
    Location
    WNY
    Posts
    9,648
    An eight of a turn is probably WAY too much. Drum sanders are sanders, not planers. 0.010" is about the maximum you can take off and 0.003 - 0.005" is a far better operating range.

    John

  5. #5
    Join Date
    May 2004
    Location
    columbia, sc
    Posts
    808
    My big single drum sander will squeal if I try ans take off too much at one time. 50” woodmaster

  6. #6
    Join Date
    Apr 2018
    Location
    Cambridge Vermont
    Posts
    2,282
    Hopefully the OP can post more information. It sounds like he tried to take off too much and the drum belt is slipping. Most likely just someone trying to learn a new tool.

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