Assembly - Craftsman 137.215360 Owner's Manual

ASSEMBLY INSTRUCTIONS
To avoid injury, always keep the plug disconnected from
the power source and the switch turned OFF until the
sander is completely assembled and adjusted properly.
For your own safety, never connect plug to power source
outlet until all assembly and adjustment steps are
completed, and you have read and understood the safety
and operating instructions.
TOOLS NEEDED
Slotted screwdriver
Phillips screwdriver
Adjustable wrench
Level
Combination square
MOUNTING BELT AND DISC SANDER TO
WORKBENCH (FIG. B)
Fig. B
2
1. belt / disc sander base 3......._"'f_
2. Bolt 4
3. Flat washer / r i .......
4. Rubber washer 1 mUm I I
5. 1/2" Foam pad (optional) [ i i
6. Worksurface
7. Flat washer
8. Lockwasher
9. Hex nut (
10. Jam nut
t J-
i
5
7 ......
t0
PULLEY BELT ADJUSTMENT (FIG. C AND D)
1. Loosen the two hex screws (1) with wrench provided,
and move the sanding arm (2) to the vertical position.
Then tighten the two screws. (Fig. C)
2. Loosen lock nut (3), and belt tension set screw (4) by
turning it counterclockwise.
3. Raise up on the motor pulley (5) to replace or remove
the existing belt. Place new belt (6) on both pulleys (5)
and (7)•
4. At the center span of the pulleys, apply light pressure
to the belt. At the same time tighten set screw (4) by
turning it clockwise, until the belt is just stretched.
Reapply light pressure to the belt and maintain belt
tension between t/4" to !/2" deflection.
5,
IMPORTANT: Do not over tighten belt tension because
it does not require excessive tension to function
properly• Excessive tension will reduce motor and
belt life.
After correct tension is obtained tighten lock nut (3), and
position sanding arm (2) in the horizontal position by
loosening the two hex screws (1). Retighten hex screws•
Fig, D
6
5
PULLEY COVER INSTALLATION (FIG. E)
Attach pulley cover (1) using the 40mm long pan head
screw (2) and 12mm pan head screw (3), as shown.
Tighten screws securely.
Fig. E _ 3
i
SANDING DiSC iNSTALLATION (FIG. G)
Remove and clean any adhesive or material left on the
disc plate (2). Peel plastic backing from abrasive disc (1)
and carefully press disc firmly in position around the
sanding disc.
Fig. G
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SANDING DiSC PLATE INSTALLATION (FIG. F) ,_ '<
1. Thread 1/4" set screw (1), into the tapped hole on hub
of sanding disc plate (2). Turn clockwise to tighten.
2. Slide sanding disc plate (2), on drive shaft (3) making
sure flat on drive shaft is aligned with set screw (1) in
hub of disc plate (2). Stide disc plate onto shaft until
disc plate surface and edge of the pulley cover are
nearly flush.
3. Insert hex wrench, down through slot (4) in the top of
belt and pulley guard and tighten set screw (I) against
flat on drive shaft (3).
4
1
DISC COVER INSTALLATION (FIG. H)
1. Position disc cover (1) in place as shown.
2. Insert the two 1/2" pan head screws (2) and tighten.
2