"jerrybuilt " ] wrote in message ...

Neither heat nor mechanical hammering is sensible considering this is
CI and is enamelled. There are thread type nut splitters on the
market which I could use but the bolt heads have rusted such that they
are turning so need replacing anyway. If the worst comes to the worst
I'll have to make them from scratch but they're still making CI baths
so the bolts may well still be available in some shape or other.

Rob

Rob Graham wrote:
Having started to clean the outside of my CI bath for
repainting, the amount of muck around the feet and the
fact they were slack lead me into trying take them off.
The first bolt came off OK but the other three are rusted
such that the heads are turning and they will require
to be cut off.

Try not to cut them - first of all try heating in a gas
flame, cooling, repeat, attempt to undo - if this does
not work, split the nut. To do this, hold a block of
metal such as a club hammer against one flat of the
nut - at the other side position a aharp cold chisel and
knock it into the metal of the nut with another hammer.
It micht help to have an accomplice to hold the club
hammer in place!
/Cold chisel
__ /
/\ / \/
\ / \
metal \\ /
block \\__/ Nut
\
/

Hard to draw, but hope it makes sense. You probably won't
need to cut the nut off, as the "hole" in the nut expands
as you apply the chisel it will most likely turn easily
before you cut it.


The one that did come off shows the bolt to have a
special shape - anyone know anything about the history
of these, if they are standard and if these are available
anywhere?

If you remove the nuts, even as above, the thread should
be OK, so you will just need new nust (an "old fashioned"
ironmonger will probably have these or know where you
can get them).


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