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Craftsman 137.283290 Owner's Manual page 7

4" x 36" belt 6" disc belt/disc sander

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SAFETY POWER SWITCH (FIG. O)
To avoid injury, always keep the plug disconnected from
the power source and switch turned OFF until the sander
is completely assembled and adjusted properly.
The ON-OFF toggle switch (1) is located on side of the
sanding machine. Pull toggle switch up to turn the tool ON
and down to turn it OFF. The toggle switch has a switch
key (2) for locking the switch in the OFF position.
IMPORTANT: When removing switch key from toggle
switch, always push the switch down to the OFF position
and pull yellow key out.
Fig. O
WRENCH STORAGE
1/8 INCH HEX WRENCH (FIG. P)
Insert the long end of the hex wrench (1) through the
holes (2) located on the back surface of the pulley cover,
as shown.
Fig. P
1
• -
WRENCH (FIG. Q)
Insert the handle of the wrench into the metal clip located
on the sander as shown.
Fig. Q
MITER GAUGE (FIG. R)
A miter gauge (1) is supplied with your sander and is
used with the disc table. The miter gauge body can be
tilted 0° to 45 ° right or left for angle or miter sanding.
Install the slide rod into the table slot (2) as shown.
Loosen lock knob (3), rotate miter gauge body to the
desired angle and tighten lock knob (3).
Fig. R
1
3
12
REPLACING SANDING BELT (FIG. S, T, U)
To avoid injury, turn switch OFF and disconnect the plug
from the power source before removing and installing
sanding belts.
1.
Remove two screws (1), and dust chute (2).
Fig. S
2.
Remove hex bolt (3), and backstop (4).
FIg.T
3
4
Fig= U
6
7
CHANGING
POSITION OF SANDING ARM
SANDING ARM IN VERTICAL POSITION (FIG. V)
1.
The sanding arm can be used in either the horizontal
or vertical position. To move the sanding arm, loosen
the two bolts (1), that attach arm (2). Move the arm to
the desired position. Tighten the two bolts.
2.
Insert the table support rod (3) into auxiliary hole as
shown. Table support rod should extend 5" outside
base.
3.
Align round on support rod with hex bolt on sander
and tighten hex bolt (4) on sander.
4.
Slide table assembly (5) onto rod (3), as shown.
5.
Align flat on support rod with hex bolt (6) on table
bracket and tighten bolt.
To avoid trapping the workpiece or fingers between the
table and sanding belt, the table edge should be
positioned a maximum of 1/16" from sanding belt.
Fig. V
3.
Slide tension lever (5), to the right to release tension
on the sanding belt (6) (Fig. U).
4.
Remove sanding belt from both sanding drums (7).
5.
Slide new sanding belt over sanding drums, making
sure the belt arrow located on the inside of the belt will
run in the direction of the arrow on the sander. Slide
tension lever (5), to the left to apply belt tension.
6.
Quickly push the belt forward by hand (in the direction
of the belt rotation arrow, visible from the top between
the sanding disc and the belt arm) and check to see if
the sanding belt tends to run to one side or the other
on the two pulleys.
5
7.
If the sanding belt runs toward the disc, slightly
turn
the tracking knob (8) counterclockwise.
8.
If the sanding belt runs away from the disc, slightly
turn the tracking knob (8) clockwise.
9.
Plug sander into power source and turn the switch
ON and OFF quickly, and check to see if the
sanding belt runs to either side. Readjust and fine tune
tracking knob if necessary.
&
10. When proper tracking is .achieved, replace backstop
and dust guard.
4
3
6
13

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