I don't like the look of those heavy leads hanging from the welder, would it not put strain on the dinse sockets? Maybe a support bracket would be a good idea?
Aye, a few jobs in a similar vein on fishing boats.I remember doing a repair years ago where pulsed mma would have been useful!
There was a huge through flow deep fat fryer & the bushing on a sprocket in the cleaning system had worn, allowing the cog to wear a hole in the side of the tank. To get access to tig weld it meant 3 hours of dismantling so mma was the only option. Not easy as the tank was only 3mm thick, thinner where it was worn. Not enough room for a patch so it was a case of a series of overlapping tacks until the hole was filled. Took quite a while & a lot of rods as once the rod got to 50% it could no longer reach the panel!
That was one long Saturday morning!