Hi Oliver,
You're absolutley right about sticking the electrode. More often than not,
it happens to me due to my lack of skill! :(
I haven't been able to deal with sheet metal screws in restricted space
other than using a rotary file and grinding the head off. I removed many of
these from the aluminum "U" channel that secures the shell to the floor.
Comes with replacing rotted floor sections. Badly rusted phillip heads
don't respond to a screw driver very well. I hadn't thought about using the
stuck welding rod technique to get the sheet metal screws out. Could be a
very hazardous technique inside the trailer with the skin so close.
If space isn't a problem, such as the sheet metal screws holding the water
heater housing to the aluminum skin, a grinder works wonders.
Regards, Joy
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