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SAVE THESE INSTRUCTIONS FOR FUTURE USE
Motor
Be sure your power supply agrees with the nameplate marking. Voltage decrease of more than
10% will cause loss of power and overheating. D
not operate, check power supply.
COMPONENTS (FIG. 1)
A. On/Off switch
B. Front paper clamp
C. Front clamp button
D. Base plate/pad
E. Paper-limiting ribs
F. Rear paper clamp
ASSEMBLY AND ADJUSTMENTS
WARNING: To reduce the risk of injury, turn unit off and disconnect it from power
source before installing and removing accessories, before adjusting or when making
repairs. An accidental start-up can cause injury.
Attaching Abrasive Paper (Fig. 2–6)
CAUTION: Turn off and unplug the tool before making any adjustments or removing or installing
attachments or accessories. Be sure the switch is in the OFF position.
Your sander is designed to use 1/4-sized sanding sheets. Pre-cut 4-1/2" x 5-1/2" sandpaper is
available at extra cost.
TO MAKE 4-1/2" X 5-1/2" SANDPAPER
a. Cut full-sized (9" x 11") sandpaper into 1/4 sheets of 4-1/2" x 5-1/2".
b. Cut 1/2 sheet sandpaper into two 4-1/2" x 5-1/2" sheets.
FITTING REGULAR SANDING SHEETS (FIG. 2–5)
For normal operation, assemble the abrasive paper to your unit as follows:
1. Soften the stiff sandpaper by pulling it over the 90° edge of a table or other straight edge, as
shown in Figure 2. Concentrate on softening the edges to be clamped.
2. Release the rear paper clamp (F) by pulling up on the side clamp levers (G) and disengaging
them from the tabs (H) on the base plate/pad (D) as shown in Figure 3.
3. Disengage the front paper clamp (B, Fig. 4) by applying and holding pressure on the front clamp
button (C) while inserting the 4-1/2" edge of the abrasive paper under the front paper clamp (B)
until if hits the paper-limiting ribs (E). Release the front paper clamp to secure the front of the
paper.
4. Stretch paper over the base plate/pad (D) and begin to pivot the rear paper clamp (F) around
to its locking position. Lock one side clamp lever (G) by placing it behind the tab (H, Fig. 5) on
the base plate/pad and then repeat with the second side clamp lever.
5. If you are using the dust extraction feature, perforate the sandpaper (see Paper Punch).
FITTING HOOK AND LOOP SANDING SHEETS (FIG. 6)
1. Place the tool on a table, base plate/pad (D) up.
2. Place the sanding sheet directly on top of the base plate/pad (D).
3. Hold the base plate/pad with one hand and align the dust extraction holes (L).
4. Press the sheet firmly onto the base plate/pad.
Switch (Fig. 1)
To turn the unit on, depress the side of the dust-protected switch (A) that corresponds to the
symbol "I". To turn the tool off, depress the side of the switch that corresponds to the symbol "O".
Paper Punch (Fig. 7)
CAUTION: Turn off and unplug the tool before making any adjustments or removing or installing
attachments or accessories. Be sure the switch is in the OFF position.
A paper punch (M) is provided with your sander to let you perforate regular sandpaper to make
dust collection possible.
TO PERFORATE YOUR SANDPAPER
Install the sandpaper on the tool as instructed in this manual. With the sander turned off and
unplugged, place the paper punch on the paper so that the tabs at the edges of the punch are
against any two adjacent sides of the sanding pad, as shown. Press the punch against the pad so
that the 8 points penetrate the paper, as shown in Figure 7. (Press the punch into the pad as far as
it will go.) Remove the paper punch and the paper is ready.
An alternate method of perforating the paper is to securely fasten the punch to a suitable work
surface. Two holes are provided in the punch for this purpose. Use #8 flat head screws. Press the
sander (with the paper attached) down on the punch.
Dust Extraction (Fig. 1, 8)
Your sander has a built-in vac-adapter (I) which allows either the supplied dust bag (J) or a shop
vacuum system to be connected. The built-in outlet utilizes the D
it compatible with the D
WALT dust extractor.
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TO ATTACH THE DUST BAG
1. While holding the sander, fit the dust bag collar (K) to the vac-adapter (I) as shown in Figure 8.
2. Turn the collar (K) clockwise to lock the dust bag (J) in place.
TO EMPTY THE DUST BAG
1. While holding the sander, turn the collar (K) counterclockwise to unlock the dust bag (J).
2. Remove dust bag from the sander and gently shake or tap the dust bag to empty.
3. Reattach the dust bag back onto the outlet and lock into place by turning the dust bag collar
clockwise.
You may notice that all the dust will not come free from the bag. This will not affect sanding
performance but will reduce the sander's dust collection efficiency. To restore your sander's dust
collection efficiency, depress the spring inside the dust bag when you are emptying it and tap it on
the side of the trash can or dust receptacle.
CAUTION: Never operate these tools unless the dust collector is in place. Sanding dust
exhaust may create a breathing hazard.
OPERATION
WARNING: To reduce the risk of injury, turn unit off and disconnect it from power
source before installing and removing accessories, before adjusting or when making
repairs. An accidental start-up can cause injury.
NOTICE: This sander is not to be used in drywall applications.
To operate your sander, grasp it as shown in Figure 9A or 9B and turn it on. Move it in long,
sweeping strokes along the surface being sanded, letting the sander do the work. Pushing down
on the tool while sanding actually slows the removal rate and produces an inferior quality surface.
Be sure to check your work often, this sander is capable of removing material rapidly, especially
with coarse paper.
Your sander is designed to sand flush on three sides for sanding in corners, and its small size and
light weight make it ideal for overhead work.
The orbital action of your sander allows you to sand with the grain or at any angle across it for most
sanding jobs. On the final sanding steps, as discussed below, a better finish will result if you sand
only with the grain.
To produce the best finish possible, start with coarse grit sandpaper and change gradually to finer
and finer paper. A final sanding with a piece of well-worn fine sandpaper will produce a professional-
looking finish that in many cases will need no hand sanding at all. The rate at which the dust
collection bag will fill up will vary with the type of material being sanded and the coarseness of the
sandpaper. For best results, empty the bag frequently and check the opening for clogging.
When sanding painted surfaces, you may find that the sandpaper loads up and clogs with
paint. A heat gun will work much better to remove paint before sanding. FOLLOW ALL SAFETY
INSTRUCTIONS IN HEAT GUN INSTRUCTION MANUAL.
Precautions to Take When Sanding Paint
1. Sanding of lead based paint is NOT RECOMMENDED due to the difficulty of controlling the
contaminated dust. The greatest danger of lead poisoning is to children and pregnant women.
2. Since it is difficult to identify whether or not a paint contains lead without a chemical analysis, we
recommend the following precautions when sanding any paint:
WALT tools are factory tested; if this tool does
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G. Side clamp levers
H. Holding tabs
I. Vac-adapter
J. Dust bag
K. Dust bag collar
WALT AirLock connection making
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FIG. 1
A
C
B
E
FIG. 3
FIG. 2
H
FIG. 5
H
FIG. 7
FIG. 9A
FIG. 8
J
K
I
PERSONAL SAFETY
1. No children or pregnant women should enter the work area where the paint sanding is being
done until all clean-up is completed.
2. A dust mask or respirator should be worn by all persons entering the work area. The filter
should be replaced daily or whenever the wearer has difficulty breathing. See your local
hardware store for the proper NIOSH-approved dust mask.
3. NO EATING, DRINKING or SMOKING should be done in the work area to prevent ingesting
contaminated paint particles. Workers should wash and clean up BEFORE eating, drinking
or smoking. Articles of food, drink, or smoking should not be left in the work area where dust
would settle on them.
ENVIRONMENTAL SAFETY
1. Paint should be removed in such a manner as to minimize the amount of dust generated.
2. Areas where paint removal is occurring should be sealed with plastic sheeting of 4 mils
thickness.
3. Sanding should be done in a manner to reduce tracking of paint dust outside the work area.
CLEANING AND DISPOSAL
1. All surfaces in the work area should be vacuumed and thoroughly cleaned daily for the
duration of the sanding project. Vacuum filter bags should be changed frequently.
2. Plastic drop cloths should be gathered up and disposed of along with any dust chips or other
removal debris. They should be placed in sealed refuse receptacles and disposed of through
regular trash pick-up procedures. During clean up, children and pregnant women should be
kept away from the immediate work area.
3. All toys, washable furniture and utensils used by children should be washed thoroughly
before being used again.
Tool Care
• Keep your machine as clean as possible by wiping with a clean cloth and blowing through it
with air after every 5 hours of use.
• Don't use harsh chemicals or solvents to clean the tool. These chemicals could seriously
damage the plastic.
• Avoid overloading your sander. Overloading will result in a considerable reduction in speed and
efficiency and the unit will become hot. In this event, run sander at a "no load" condition for a
minute or two.
• Brush inspection and replacement should be completed by your local dealer or authorized
service center.
MAINTENANCE
WARNING: To reduce the risk of injury, turn unit off and disconnect it from power
source before installing and removing accessories, before adjusting or when making
repairs. An accidental start-up can cause injury.
Cleaning
WARNING: Blow dirt and dust out of all air vents with clean, dry air at least once a week. To
minimize the risk of eye injury, always wear ANSI Z87.1 approved eye protection when performing
this.
I
F
H
G
D
FIG. 4
B
F
G
FIG. 6
D
M
FIG. 9B
J
K
C
E
L
M
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