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GreenWorks PA321K Manual Del Operador página 10

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EN
Use only initial sanding accessories.
Rough Sanding
1. Attach a sanding sheet with coarse grain.
2. Apply only light pressure to the machine so that
it runs at a higher stroke rate and high material
removal is achieved.
Fine Sanding
1. Attach a sanding sheet with fine grain.
2. By lightly varying the application pressure or
changing the orbital stroke rate, the sanding plate
stroke rate can be reduced whereby the orbital
action is maintained.
Polishing
1. Select a low orbital stroke rate (level 1 – 4) when
polishing in order to avoid heating up the surface
excessively.
2. Apply the polish onto a somewhat smaller surface
than you intend to polish. Work the polishing agent
in with a suitable polishing tool applying it crosswise
or with circular motion and moderate pressure.
3. Clean the polishing accessories regularly to
ensure good polishing results. Wash out polishing
accessories with a mild detergent and warm water;
do not use paint thinner.
Do not allow the polishing agent to dry out on the
surface, otherwise the surface can become damaged.
Do not subject the surface to be polished to direct
sunlight.
9.5
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.
DO NOT use sander without sandpaper. Doing so will
damage the cushion.
NOTE
CAUTION
English
10
MAINTENANCE
Do not let brake fluids, gasoline, petroleum-based
materials touch the plastic parts. Chemicals can
cause damage to the plastic, and make the plastic
unserviceable.
Do not use strong solvents or detergents on the plastic
housing or components.
Remove the battery pack from the machine before
maintenance.
11
GENERAL MANINTENANCE
Before each use, examine the machine for
damaged, missing, or loose parts such as screws,
nuts, bolts and caps.
Clean the machine with a dry cloth. Do not use
slovents.
Do not let brake fluids, gasoline, petroleum-based
materials touch the plastic parts. Chemicals can
cause damage to the plastic, and make the plastic
unserviceable.
Use only approved replacement parts.
12
REMOVING PRESSURE
SENSITIVE ADHESIVE (PSA)
SANDPAPER BEFORE
STORAGE
Do not store the sander with the sandpaper
installed. Heat generated from sanding causes the
pressure sensitive adhesive to flow and form a tight
bond between the backing pad and sandpaper.
Removing the sandpaper soon after you have
finished a sanding operation avoids letting the
adhesive set up. If the sandpaper is left on the
backing pad for an extended period of time after
use, the adhesive will set up and cause the
sandpaper to become difficult to remove.
It may also tear when removing. When this situation
occurs, it becomes difficult to clean the backing pad
for the next sheet of sandpaper.
10
CAUTION
CAUTION
WARNING
WARNING
CAUTION

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