USE/CARE OF HANDTOOLS & MEASURING TOOLS - OD1621 - LESSON 2/TASK 1
FIGURE 64.
REPAIRING BROKEN OILSTONE.
(a) Heat the broken pieces, on a hot plate or
in
any
other
satisfactory manner, to drive all oil from inside the stone.
(b) Scrub the broken edges with a dry cleaning solvent to remove
gum and dirt.
(c) Dust the broken edges thickly with flaked or ground orange
shellac. Carefully work shellac into all cracks and openings.
(d) Press
the
broken
pieces
together
and
reheat
to
melt
the
shellac.
(e) Clamp pieces together until cooled.
(f) Dress the stone until the joint is smooth and true.
(4) Storage.
Oilstones must be carefully put away in a box or on
special racks when not in use. Never lay them down on uneven surfaces or
place them where they may be knocked off a table or bench, or where heavy
objects can fall on them. Do not store in a hot place.
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