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SANDING WOODSANDING METAL
When sanding wood the direction of the discWhen sanding automobiles or appliances,
motion at the contact point should parallelwipe the metal clean with a non-flammable
the grain as much as possible. The rapid cutsolvent or commercial cleaner to remove all
of discs and the swirl type scratch patternwax and grease. By doing this first, the
they occasionally create generally prohibitsanding discs will sand better and last
their use for producing the final finish.longer.
Scratches and circular marks are usually theFor heavy duty work, use a coarse grit disc
result of using too coarse a grit. Whenfirst. Follow-up with a medium grit to remove
changing to a finer grit, move across thescratches. To produce smooth finish, use
sanding lines that were made by a previousfine grit disc.
coarser disc.
Wire Brush Operations
Wire brushes are intended to Oclean�Avoid bouncing and snagging
!WARNING
structural steel, castings, sheet metal, stonethe wire brush, especially
and concrete. They are used to remove rust,when working corners, sharp edges etc. This
scale and paint.can cause loss of control and kick-back.
BRUSHING PRESSUREaction; and if this is continued, the life of the
1. Remember, the tips of a wire brush do thebrush will be shortened due to wire fatigue.
work. Operate the brush with the lightest
3. Apply the brush to the work in such a way
pressure so only the tips of the wire come inthat as much of the brush face as possible is
contact with the work.in full contact with the work. Applying the
2. If heavier pressures are used, the wiresside or edge of the brush to the work will
will be overstressed, resulting in a wiping result in wire breakage and shortened brush
life.
CORRECT:INCORRECT:
Wire tipsExcessive
doing thepressure can
work.cause wire
breakage.
15°
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ACEC
CASIO
