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Ryobi DS11008 Operator's Manual: Sandpaper Selection

Detail sander double insulated.
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SANDPAPER SELECTION

Selecting the correct size grit and type sandpaper is an
extremely important step in achieving a high quality sanded
finish. Aluminum oxide, silicon carbide, and other synthetic
abrasives are best for power sanding. Natural abrasives,
such as flint and garnet are too soft for economical use in
power sanding.
In general, coarse grit will remove the most material and finer
grit will produce the best finish in all sanding operations. The
condition of the surface to be sanded will determine which
grit will do the job. If the surface is rough, start with a coarse
grit and sand until the surface is uniform. Medium grit may
then be used to remove scratches left by the coarser grit and
finer grit used for finishing of the surface. Always continue
sanding with each grit until surface is uniform.
CAUTION:
To avoid motor damage resulting from overheating, do
not cover the air vents with your hand.
SANDING
See Figures 3 - 4.
When applicable, clamp or otherwise secure the work to
prevent it from moving under the sander.
WARNING:
Unsecured work could be thrown towards the operator
causing injury.
Hold sander in front and away from you, keeping it clear of
the workpiece. Start sander and let the motor build to its
maximum speed, then gradually lower on the work with a slight
forward movement. Move the sander slowly over workpiece
using forward and backward or side to side strokes. Upon
completion of sanding operation, always remove sander
from workpiece before turning it off.
Do not force. The weight of the unit supplies adequate pres-
sure, so let the sandpaper and sander do the work. Applying
additional pressure only slows the motor, rapidly wears sand-
paper, and greatly reduces sander speed. Excessive pressure
will overload the motor causing possible damage from motor
overheating and can result in inferior work. Any finish or resin
on wood may soften from the frictional heat. Do not allow
sanding on one spot too long as sander's rapid action may
remove too much material, making the surface uneven.
WARNING:
Do not wear loose clothing or jewelry when operating
sander. They could get caught in moving parts causing
serious injury. Keep head away from sander and sanding
area. Hair could be drawn into sander causing serious
injury.
OPERATION
10
Fig. 3
Fig. 4

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