HF portable band saw no longer insulated
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  1. #1
    Join Date
    Aug 2009
    Location
    Trinidad
    Posts
    198

    HF portable band saw no longer insulated

    My HF portable band saw is no longer insulated,
    if I am barefoot or touching the material/table being cut I get zapped by 110v.

    can this be fixed ?
    MM 180

  2. #2
    Join Date
    Jul 2014
    Location
    New York
    Posts
    165

    Re: HF portable band saw no longer insulated

    Sure... Find the ark or bad ground and fix it.

    Sent from my XT1254 using Tapatalk
    I am a new guy, please don't be to harsh.

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  3. #3
    Join Date
    Sep 2013
    Location
    central Wis.
    Posts
    3,821

    Re: HF portable band saw no longer insulated

    I have to ask, wtf are you doing cutting and working with metal with bare feet? Could be a problem with the outlet or cord as well.

  4. #4
    Join Date
    Jun 2011
    Location
    Aiken SC area
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    1,026

    Re: HF portable band saw no longer insulated

    Something doesn't smell right here. Bob

  5. #5
    Join Date
    Apr 2006
    Location
    Soda springs,Id
    Posts
    4,481

    Re: HF portable band saw no longer insulated

    It would be nice to know if he gets shocked while holding it or only when the trigger is pulled. Yes, I don't understand someone doing metalworking barefoot, even in Trinidad.
    Mike
    Ol' Stonebreaker
    "Experience is the name everyone gives to their mistakes"

    Miller 175 mig
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  6. #6
    Join Date
    Jun 2012
    Location
    CT
    Posts
    2,118

    Re: HF portable band saw no longer insulated

    If you guys had ever been to Trinidad you'd understand, lol most people are in flip flops, sandals, and a lot of people go barefoot. A lot different than here in the US

    Sent from my SAMSUNG-SM-G890A using Tapatalk

  7. #7
    Join Date
    Jan 2004
    Location
    Northern Cal., Shasta County
    Posts
    8,854

    Re: HF portable band saw no longer insulated

    High resistance neutral, open neutral (or no neutral ) along the way somewhere. It's using the ground which is tied to the case.
    "The things that will destroy America are prosperity at any price, peace at any price, safety first instead of duty first, the love of soft living and the get rich quick theory of life." -Theodore Roosevelt

  8. #8
    Join Date
    Mar 2017
    Location
    Forest Grove OR
    Posts
    290

    Re: HF portable band saw no longer insulated

    Could also be that the ground you are standing on is the problem. I've experienced that when a building had a bad neutral and was pulling ground from it's ground rod.

    Check the plug, it should have good continuity (0 ohms) between the ground pin and the chassis of the saw. Next check the outlet, should also show very near 0 ohms between the neutral and ground lead. If not, it's a wiring problem.

  9. #9
    Join Date
    Dec 2013
    Posts
    1,208

    Re: HF portable band saw no longer insulated

    The problem may or may not be in the band saw. Check the building wiring too for stray voltage.
    "Hey! (Bum bum bum) Got any grapes?" (credit to:Bryant Oden in "the duck song")

    ---Meltedmetal

  10. #10
    Join Date
    Oct 2007
    Location
    Vandalia, Ohio near Dayton
    Posts
    2,488

    Re: HF portable band saw no longer insulated

    Quote Originally Posted by lennyk View Post
    My HF portable band saw is no longer insulated,
    if I am barefoot or touching the material/table being cut I get zapped by 110v.

    can this be fixed ?
    Yes. Drop the saw in a convenient trashcan and go buy a new saw.
    Benson's Mobile Welding at your worksite or place of business. Serving Dayton, Ohio and the surrounding metro areas.
    AWS Certified Welding Inspector (#XXX10731) and Certified Welding Educator (#XXX1008E)

  11. #11
    Join Date
    Oct 2015
    Posts
    1,903

    Re: HF portable band saw no longer insulated

    I was at HF yesterday and they had all those band saws on clearance. There must be a reason why.

  12. #12
    Join Date
    Jan 2017
    Location
    Sacramento, Ca
    Posts
    111

    Re: HF portable band saw no longer insulated

    Quote Originally Posted by M J D View Post
    I have to ask, wtf are you doing cutting and working with metal with bare feet? Could be a problem with the outlet or cord as well.
    Right? Barefoot? D@mn hippies.

  13. #13
    Join Date
    Jun 2012
    Location
    CT
    Posts
    2,118

    Re: HF portable band saw no longer insulated

    Quote Originally Posted by MetalMan23 View Post
    If you guys had ever been to Trinidad you'd understand, lol most people are in flip flops, sandals, and a lot of people go barefoot. A lot different than here in the US

    Sent from my SAMSUNG-SM-G890A using Tapatalk
    Unless he's in Trinidad Colorado......


    Sent from my SAMSUNG-SM-G890A using Tapatalk

  14. #14
    Join Date
    Nov 2012
    Posts
    643

    Re: HF portable band saw no longer insulated

    Quote Originally Posted by Sandy View Post
    High resistance neutral, open neutral (or no neutral ) along the way somewhere. It's using the ground which is tied to the case.
    That's what I'm thinking. This shouldn't even be possible if the building wiring is according to US specs. YES, I know Trinidad isn't in the US! That (an added chassis ground) exactly why they added a third wire to US power plugs. OP, does the saw still have the three wire plug or has someone monkeyed with it? It sounds like you have a combination of bad wiring (open neutral?) in your building and a neutral to ground short in the saw. It also sounds like your building may have POOR grounding in it.

    The fault in the saw should be an easy fix but given Chinese construction, you have not be able to get the saw apart and then back together again!

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