For what it is worth. In my experience heat has always solved the
problem of stuck nuts. Today I was changing the auxiliary fan on my
300TD and the phillips screw was impossible to get out. I even tried
a ratchet with a phillips driver. The housing is aluminum and the
screw is steel. I warmed it up to a slight red with maps gas and then
doused it in water. The screw then came out fairly easily.
Mike
On Oct 28, 2009, at 7:23 PM, WILTON wrote:
'Was gonna do a simple, quick job this afternoon - R&R belt on JD
lawn tractor mower deck. 'Simple and easy getting the deck from
under the tractor. Two bolts holding fairing over one of the
pulleys were tight, but I got 'em out (started) with little extra
effort. Not so with the two bolts holding the fairing over pulley
on the other side of the mower deck! The two bolts are very hard
steel 3/8" hex head; socket slips, box-end slips, vice grip slips;
'began to wonder what a piece of dynamite or a B-52 strike might do
to get 'em loose. 'Reconsidered those two options, though, and
decided to think about it overnight; 'slipped the deck back under
the mower and came inside. Underside/other end of each bolt/screw
is not accessible. Wide flared area on base of the head also
prevents access to thread area for application of any of the
recently-mentioned thread-loosening elixirs. 'Think 'bout trying to
drill hole down through head and into bolt to relieve some internal
stresses. The
bolts/screws look much like those that secure some fenders on many
vehicles, but they seem to be significantly harder.
Wilton
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