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10 — English

OPERATION

BALANCING ACCESSORIES

For precision work, it is important that all accessories be
properly balanced. To balance an accessory, slightly loosen
the quick-change collet and give the accessory a 1/4 in. turn.
You should be able to tell by the sound and feel if the accessory
is running in balance. Continue adjusting in this fashion until
the best balance is achieved. Replace accessories if they
become damaged or unbalanced.

TURNING THE ROTARY TOOL ON/OFF

See Figure 10, page 14.

To turn the rotary tool ON, slide the on/off switch to the ON
position. To turn it OFF, slide the on/off switch to the OFF
position.

SELECTING THE RIGHT SPEED

See Figure 11, page 14.

To increase the tool’s speed, rotate the speed control
dial clockwise. To decrease the speed, rotate the dial
counterclockwise. To control the speed with a foot pedal
(not included), rotate the dial completely counterclockwise.
The rotary tool has a speed range of 5,000-35,000 RPM. To
select the right speed for each job, use a practice piece of
material. Vary speed to find the best speed for the accessory
you are using and the job to be done.
Refer to the

Application Speed Recommendations

table

to determine the proper speed based on the material being
worked and the type of accessory being used.

SLOWER SPEEDS

Certain materials, some plastics for example, require a
relatively slow speed because the friction of the tool generates
heat and causes the plastic to melt at high speed.
Slow speeds (15,000 RPM or less) are usually best for
polishing operations using the polishing accessories. They
may also be best for working on delicate projects, delicate
wood carving, and fragile model parts.
Higher speeds are better for carving, cutting, and shaping
wood.
Hardwoods, metals, and glass require high speed operation.
Drilling should also be done at high speeds.
To determine the optimum operational speed for different
materials and accessories, refer to the

Application Speed

Recommendations

table. Look this table over and become

familiar with it.
The best way to determine the correct speed for work on
any material is to practice for a few minutes on a piece of
scrap, even after referring to the table. You can quickly
learn that a slower or faster speed is more effective just by
observing what happens when you make a pass or two at
different speeds.

To remove:



Remove the battery pack from the tool.



Loosen the collet sleeve.



Remove the accessory.

NOTE:

When trying to remove an accessory, if the quick-

change collet begins to unthread from the tool, repeat the
install process.

DANGER:

If you are changing an accessory immediately after use,
be careful not to touch the collet or the accessory with
your hands or fingers. You will get burned because of
the heat build-up from operation. Always use the wrench
provided or allow the collet to cool.

USING MANDRELS

See Figure 9, page 14.

The most common types of mandrel to use with this tool
include the standard mandrel which is used with grinding
wheels and emery wheels. Screw mandrels are used with
polishing wheels and polishing drums. Drum mandrels are
used with sanding drums.

To install:



Remove the battery pack from the tool.



Install the mandrel.

If using the standard mandrel:



Depress and hold the spindle lock button and rotate the

mandrel by hand until the spindle lock engages preventing
further rotation.



Insert the slot end of the provided wrench into the slot

on top of the mandrel and unscrew.