welding on a kubota b9200

[ray66v]

I agree put the ground as close as you can to where you are welding and make sure it is a good ground. I never unhook batteries. I was welding stuff on to the flatbed in my 2016 Denali last week and I welded a lot on my 2015 F-250. Lord knows they have tons of electronic crap. I welded for several hours last week as well on my 2012 backhoe which also has a bunch of electronics. Never had a problem and never unhooked a battery and I have welded on virtually every vehicle I have had.

Every muffler shop in America welds on exhaust systems all day long and I have never seen them unhook a battery. Every welding rig I have seen welds up stuff on their flatbed and they don't unhook batteries.

It certainly won't hurt anything unhooking the batteries by I personally don't and I really don't even understand how unhooking them would even help anything.

We never unhooked batteries, just to weld something in the body shop either.

Over several decades, of doing this, no damage occurred.

Anything is possible, but I never saw it happen first hand.

 

[arkydog]

checked with a buddy that works at a new car dealership and he says it is a MUST to disconnect battery cables now a days and some makes and models both cables disconnect both cables and air bags. have you ever had air bags go off when car was sitting still, not running when the bags went off? not pretty

 

[bdog]

checked with a buddy that works at a new car dealership and he says it is a MUST to disconnect battery cables now a days and some makes and models both cables disconnect both cables and air bags. have you ever had air bags go off when car was sitting still, not running when the bags went off? not pretty

I am not denying that is what probably all the manufacturers say. I am just saying I personally have welded on 2015 Fords, 2016 GM's, and 2012 Dodges as well as numerous older things without ever unhooking the batteries and nothing ever happened.

 

[cqaigy2]

Back in the last millennium, while in high school, I was in welding class when i heard a pretty load boom. A guy welding on his motorcycle blew up his battery. I don't recall how he had things hooked up though.

 

[ray66v]

checked with a buddy that works at a new car dealership and he says it is a MUST to disconnect battery cables now a days and some makes and models both cables disconnect both cables and air bags. have you ever had air bags go off when car was sitting still, not running when the bags went off? not pretty

I have welded on hundreds of cars with air bags, never had one go off. Never had one go off in our shop, at all.

During my certification, I was told an air bag can theoretically go off, while carrying it across the shop, from static electricity. Never saw that happen either.

They also told us, that you couldn't switch a cars a/c system from R12, to R134, without flushing out ALL the oil. Because, the PAG oil was not compatible with any of the mineral oil from the R12. As cars got older, and people did not want to spend a lot of money on them, so shops started just swapping everything and not flushing it. And, everyone found out, it worked just fine.

If the dealership wants to require the techs to do something, it's their money, they have that right. Nothing wrong with an over abundance of caution. But, it's not always necessary.

No manufacturer recommends jacking up a car without putting on the emergency brake either. I guarantee you that dealership does not require their techs to do that.

 

[arkydog]

just to note, i have burned out a couple of radios and computers on cars that the battery was still hooked up and that was in the mid to late 90's. that was mig welding with the ground clamp darn near on top of the weld. in the early 2000's welding on a full size dodge car, cant remember make, fried computer with just ground disconnected. could have been coincidental. luckily every dealership has taken care of fried parts. on a tractor or anything, it only takes a minute to unground. a lot easier and cheaper than having to replace parts.

 

[yomax4]

I always just unhook the battery for piece of mind. I also use a double ground. One for the weld and another to earth. I's just what I do. never had a prob.