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Should I disconnect electronics during welding?

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  • FusionKing
    replied
    Originally posted by ryanjones2150 View Post
    Country music rots your brain, so maybe your radio sacrificed itself to save your life.
    It sure does change your attitude !!

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  • ryanjones2150
    replied
    Only if it's the really loud and angry western music...oh wait....

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  • Grizzly1944
    replied
    Originally posted by ryanjones2150 View Post
    Country music rots your brain, so maybe your radio sacrificed itself to save your life.
    Dang, Maybe that's why everybody around here is telling me that I should listen to western. That makes lots of sense because you can go to the nearest hardware store here and buy your favorite fire stick.

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  • ryanjones2150
    replied
    Country music rots your brain, so maybe your radio sacrificed itself to save your life.

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  • Grizzly1944
    replied
    In my case, I fried the radio most likely because I was listening to my favorite country station. It most likely wouldn't have happened had I bothered to shut it off.

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  • FusionKing
    replied
    Merely disconnecting the battery doesn't do beans on hardly anything when I comes to protecting computers. Think about all the late model welding trucks that guys have their welding machine mounted on. Many weld right on the bed every day for a work/welding table. You could even stop and freak out about the welding machines' own electronics in that case.
    Tarry99 is right on target. if you REALLY want to protect electronics the only way is to remove them.
    Newer vehicles have multiple circuits and components that simply unhooking won't protect.
    I used to have a muffler shop and welded on hundreds of cars and trucks. Now have a Marine welding biz. Boats do have a battery shutoff. Obviously we turn them off.
    I have gotten a couple of complaints from people because I lost all their pre-sets on their radios before.
    I've also had genius' quiz me as to how I unhooked their battery before welding.
    I do it how I see fit and accept the responsibility that goes with it. It has served me well for 45+ years welding on things with engines. But I am aware of the risk and know full well I can blow components from stray electricity. It's a risk I take to earn a living.
    We have covered this subject to tears and yawning now for over a decade. I personally use a vice grip to the part being welded and twist it a bit to get a good fresh bite, and then hook my ground to that. After that I'm running on my blessings
    I do have a friend whose car got hit by lightning in Walmart parking lot.....now that did wipe out the electronics

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  • MAC702
    replied
    I was pretty sure I could drive my 96 Cummins-powered Dodge through a nuclear airburst EMP. I doubt I would want to park my 17 Cummins anywhere near a TIG machine now!

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  • ryanjones2150
    replied
    I have a mid 60s zenith radio as my shop radio. Says right on the tag that it's HF TIG proof....well not really, but it is old.

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  • Sandy
    replied
    Note to self, turn of any radios (receivers) within 4 foot of a tig.

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  • MAC702
    replied
    Originally posted by Grizzly1944 View Post
    I fried a Milwaukee jobsite radio/charger by DC Tig welding at around 190 amps no more than 4 feet from the radio. When a spark is created, it transmits voltage no matter what makes the spark, it still transmits a signal. In my case it was enough to cause me to throw a perfectly good $120.00 piece of equipment into the trash. My advice is to play it safe and disconnect if there is any question weather or not you should.
    What could you have "disconnected" to prevent that? What exactly "fried?"

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  • Grizzly1944
    replied
    I fried a Milwaukee jobsite radio/charger by DC Tig welding at around 190 amps no more than 4 feet from the radio. When a spark is created, it transmits voltage no matter what makes the spark, it still transmits a signal. In my case it was enough to cause me to throw a perfectly good $120.00 piece of equipment into the trash. My advice is to play it safe and disconnect if there is any question weather or not you should.

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  • snoeproe
    replied
    I do a fair bit of heavy equipment welding. When it comes to large trucks with computer systems, I always shut off the master switch which disconnects the batteries. It the unit doesn’t have a master switch and it does have a computer system or heavy electronics, I disconnect the batteries manually.
    Last thing I want to do is scramble the brains on a Peterbilt or Kenworth that doesn’t belong to me.

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  • Sberry
    replied
    I have welded on dam near anything that moves, literally thousands of cars and trucks, tractors, sometimes several a week and used trucks for welding beds, I never unhook but am mindful of direct connections.

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  • snoeproe
    replied
    Keeping your ground clamp close to your weld area helped ensure your weld current doesn't flow through any bearings. This will greatly shorten bearing life.

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  • tarry99
    replied
    I will not speak on behalf of disconnecting grounds or wires from sensitive electronics in passenger cars when welding on the vehicle............

    But in Drag Racing of which I am very familiar with......we disconnect any and all leads and/ or remove the components like the Ignition systems, timing controls, data recorders, battery leads or any other Item that can be construed as sensitive electronics......Keeping in mind these systems are all hard wired with quick disconnects for timely removal anyway..........and yes the ground clamp from the welder is as close as possible to the weld zone...........call me superstitious or just plane "been there done that" sensitive when an electronic glitch shows up just after zapping something on the chassis.

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