Hi Jim,
I cut the bolts going through the floor channel
with a reciprocating saw (cut-saw) with a bi-metal blade. I held
the saw parallel to the skin as possible and cut just under the
channel and into the plywood and through the bolt working very slowly as not to
contact the skin or the channel. On some of the bolts I was able to tap in
a thin pry bar between the channel and plywood and then just cut the bolt.
After the bolts were cut and the rivets removed I cleaned and repaired the
channels as necessary and then later reinstalled them over the new floor.
Dave
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