BM 1609929J65 02-06 2/15/06 10:43 AM Page 10
angle is too steep, the pressure isWhen grinding with a new wheel be certain to
concentrated on a small area causing burninggrind while pulling tool backwards until wheel
to the work surface.becomes rounded on its edge. New wheels
Excessive or sudden pres-have sharp corners which tend to Obite� or cut
!WARNING
sure on the wheel will slowinto workpiece when pushing forward.
grinding action and put dangerous stresses on
the wheel.
Sanding Operations
SELECTING SANDING DISCat times both Oopen coat and closed coat�
Sanding discs are made of extremely harddiscs are required to get the job done faster.
and sharp aluminum oxide grits, phenol-resinSee chart for application examples.
bonded to a sturdy fiber backing for fast
Operation: Refinishing painted wood or metal surfaces.
heavy-duty service and long life. The discs
vary as to size and spacing of the abrasiveREMARKSGRIT
type HTo remove paint and to smoothCoarse
materials and on paint or varnish. CLOSEDsurface irregularities. 16-24-30
type KTo smoothMedium
stone, marble and other materials.the rough sanding. 36-50-80
Sanding discs range in grit from 16 (veryTo remove scratches left by Fine
coarse) to 180 (very fine). To obtain bestprevious discs. 100-120
results, select sanding discs carefully. ManyTo smooth surfaces for painting, Very Fine
jobs require the use of several grit sizes andpolishing or waxing. 150-180
SANDING TIPSappear, then stop and change to a Oclosed
For best results, tilt the Disc Sander at a 10!coat� disc to remove any remaining paint.
to 15! angle while sanding so that only about
SANDING WOOD
1" of the surface around the edge of the disc
When sanding wood the direction of the disc
contacts the work.
motion at the contact point should parallel the
accessorygrain as much as possible. The rapid cut of
!WARNING
held flat or the back edge ofdiscs and the swirl type scratch pattern they
the disc comes in contact with the work, aoccasionally create generally prohibit their
violent thrust to the side may result.use for producing the final finish.
If sander is tilted too much, sanding actionScratches and circular marks are usually the
will be too great and a rough cut surface orresult of using too coarse a grit. When
gouging and snagging will result.changing to a finer grit, move across the
Guide the Disc Sander with crosswisesanding lines that were made by a previous
coarser disc.
strokes. Be careful not to hold the sander in
one spot too long. Do not use a circularSANDING METAL
motion, as this makes swirl marks. TestWhen sanding automobiles or appliances,
before use on scrap stock.wipe the metal clean with a non-flammable
Do not force or apply pressure whensolvent or commercial cleaner to remove all
sanding. Use only the weight of the tool forwax and grease. By doing this first, the
pressure. Excess pressure actually slows thesanding discs will sand better and last longer.
tool down. If faster stock removal is desired,For heavy duty work, use a coarse grit disc
change to a coarser grit disc.first. Follow-up with a medium grit to remove
Remove gummy paint from metal with anscratches. To produce smooth finish, use fine
Oopen coat� disc. Sand until sparks start to grit disc.
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ACEC
