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OPERATION
Fig. I'"
Fig, 2
TRACKING
Fig, 3
PREPARING
FOR OPERATION
For ease of operation
your Sander has a front handle and a rear
handle. These handles
allow two-hand operation
which aids in
maintaining
control
and
keeping
sanding
area
level
with
workpiece.
When operating
your Sander hold the front handle
with your left hand and the rear handle with your right hand as
shown in Fig. 1.
Selecting
the correct
size and type sanding
belt is an extreme-
ly important
step in achieving
a high quality
sanded finish.
Aluminum
oxide,
silicone
carbide,
and
other
synthetic
abrasives
are best for power sanding.
In general,
coarse grit wilt remove the most material
and finer
grit will produce best finish
in all sanding operations.
The con-
dition
of the surface
to be sanded
witt determine
which
grit
belt will do the job. If the surface
is rough, start with a coarse
grit belt sanding
until surface
is uniform.
Medium grit belt may
then be used to remove scratches
teft by the coarser
belt and
finer grit belt used for finishing
of the surface.
Always
con-
tinue sanding
with each grit belt until surface
is uniform.
INSTALLING
AND ADJUSTING
SANDING
BELT
Disconnect sander from power supply.
See Figure
2. Release tension on belt by ;_ushing the front
pulley squarely
against
the top or edge of workbench.
When
the pulley is pushed
back it will lock in that position
allowing
slack in the belt so it can be removed.
Install
new belt making
sure arrow on inside of belt is pointing
in the direction
of rota-
tion which is clockwise
when looking into open side of sander.
To put tension
on the belt, insert a screwdriver
between
the
idler pulley
support
bracket
and the idler pulley support
as il-
lustrated
and pry toward
front of sander.
To adjust sanding
belt, connect
sander to power supply.
Place
sander
in an upside
down position
as illustrated (See Fig. 3),
pull switch
trigger
and release
immediately
while
observing
tracking
of sanding
belt.
If sanding
belt runs outward
turn
tracking
screw clockwise
and counterclockwise
if belt runs in-
ward. This should be done until you are sure belt will not come
in contact
with striker
bar. When you are sure belt wilt not rub
against
striker
bar start
sander
and fine adjust
the tracking
screw
until belt stabilizes.
When correctly
adjusted,
the outer
edge of the belt will be even with the outer edge of sanding
shoe
pad (Key 28, page 11). Belt
life will
be increased
ap-
preciably
if a few seconds
are spent adjusting
the belt track-
ing.
NOTE: Idler pulley rubbing
housing
when in the released
posi-
tion without
sandpaper
is not harmful
to the operation
of the
tool. The sanding
belt, when assembled,
wit not allow pulley
to project
as far.
TO OPERATE
Clamp or otherwise secure the work to prevent it moving under
the Sander. DANGER: Unsecured work could be thrown back
toward operator
causing injury. With Sander off work, press
the trigger switch and when the motor reaches its maximum
speed, lower the Sander on the work with a slight forward mo-
tion. Using the rear handle to control the Sander and the front
handle only to guide it, move it slowly over the work. Allowing
the Sander to remain in one place will result in an uneven sur-
face. The Sander was designed to provide the proper weight on
the sand belt and extra pressure will only result in uneven
work, slow cutting from
slow belt speed, clogged belts and
possible motor bum-out.
Use the proper belt when heavy cutting is desired, not heavy
pressure. The importance
of this cannot be over-emphasized,
the weight has been built
into the tool to give the most effi-
cient pressure at the proper location.
Page 4
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