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Home > Archive > Electrical Engineering > February 2006 > Grounding A200 Hobart food mixer
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Grounding A200 Hobart food mixer
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| dlc6j@juno.com 2006-02-25, 3:21 am |
| I am cleaning up an old 20 quart mixer to sell. The power cord was
frazzled. No apparent ground wire connection. Insulation was off one
of the wires coming out of the capacitor holder, and sparks once about
four inches away near a spade connector (noticed the spark before the
bared wire). Two questions, one, can I just drill a hole into the case
to attach the grounding wire? And two, does it seem likely the spark
will go away if I either use some heat shrink insulation on the bared
wire, or should I make an effor to replace the whole wire?
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<dlc6j@juno.com> wrote in message
news:1140848829.959419.272190@i40g2000cwc.googlegroups.com...
> I am cleaning up an old 20 quart mixer to sell. The power cord was
> frazzled. No apparent ground wire connection. Insulation was off one
> of the wires coming out of the capacitor holder, and sparks once about
> four inches away near a spade connector (noticed the spark before the
> bared wire). Two questions, one, can I just drill a hole into the case
> to attach the grounding wire? And two, does it seem likely the spark
> will go away if I either use some heat shrink insulation on the bared
> wire, or should I make an effor to replace the whole wire?
Replace the wire.
I have not done commercial kitchen equipment in a long time. I would be
surprised if the mixer was originally made with out a ground. Or is it that
ancient? Ohm the motor and make sure there is not a path to the frame/case.
Then find a bolt or screw to attach the round ring terminal that your going
to put on the ground wire.
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| dlc6j@juno.com 2006-02-25, 9:21 pm |
| Thanks for your reply, and reminding me to install a ring terminal on
all the power cord leads, including the ground. I am an electrical
idiot, so I wonder if you could explain both how (I have an ohm meter)
and the significance of checking the resistance of the motor to the
case. I assume you are saying there should be infinite resistance on
both sides of the motor? Can I just check off the wires either coming
off the capacitor or at the switch? And what if the non hot lead
terminal shows no resistance? Hope I am on the right track here and
not beyond help. Thanks, Dennis
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