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7. Press in the spindle lock button and tighten the
collet nut securely using the nose collar (or a 3/8"
collet wrench). NOTE: Do not tighten the collet
nut without an accessory installed. This could
damage the collet.
8. To install the grinding wheel acc-
essory, add grinding wheel to end
of accessory shank and secure
with screw provided. Press spin-
dle lock button and tighten screw
with screwdriver end of collet
wrench. To replace damaged
wheel, reverse procedure.
9. Insert a battery pack and test the
accessory by letting it spin for
one minute before applying it to
the workpiece.
10. To remove an accessory, remove
the battery to avoid starting the
tool, then reverse the procedure.
To reduce the risk
WARNING
of injury, the operator should be
instructed in the use, care and protection of ac-
cessories.
Typical Applications
A large variety of accessories are available for ap-
plications such as grinding, sanding, and cutting.
Grinding/Sanding
Use sanding and grinding accessories that are:
• less than 2" / 55 mm in diameter
• correct accessory type and grit for the job
• rated at or above the RPM listed on the tool's
nameplate
Wheel Brushes
Wire wheel brushes are useful for removing rust,
scale, burrs, weld slag, etc. A wide variety of wire
brushes are available for many applications.
When applying brush to work, avoid using too much
pressure. This causes over-bending of wires and heat
build-up resulting in premature wire breakage, rapid
dulling and reduced brush life. Instead of using more
pressure, try a wire wheel brush with more aggressive
cutting action (increased wire size, decreased wire
length or different brush type, i.e. knot type instead
of crimped wire type).
Cutting
Always handle cutting wheels carefully to avoid
damage. Before installing any wheel, always in-
spect it for cracks. If wheel is cracked, discard it to
prevent others from using it. Cutting wheels should
be protected from:
• wetness and extreme humidity
• any type of solvent
• extreme changes in temperature
• dropping and bumping
If a cutting wheel encounters any of these situations,
discard the wheel immediately.
OPERATION
To reduce the risk of injury, always
WARNING
wear proper eye protection marked
to comply with ANSI Z87.1.
When working in dusty situations, wear appro-
priate respiratory protection or use an OSHA
compliant dust extraction solution.
Fuel Gauge
To determine the amount of charge left in the battery,
turn the tool ON. The fuel gauge will light up for 2-3
seconds. When less than 10% of charge is left, 1
light on the fuel gauge will flash 4 times.
To signal the end of charge, 1 light on the fuel gauge
will flash 8 times and the tool will not run. Charge
the battery pack.
If the battery becomes too hot, the fuel gauge lights
will flash and the tool will not run. Allow the battery
to cool down.
Selecting the Speed
To set the speed, use the speed selector buttons
+/- to cycle from the lowest speed (5000 RPM) to
the highest speed (27,500 RPM). Each LED can
display two speeds. Odd speeds (1, 3, 5, 7, 9, 11)
display initially as solid. Even speeds (2, 4, 6, 8, 10,
12) display initially as blinking, then go solid. The
LEDs will light as you increase/decrease the speed
setting. NOTE: The tool will default to the selected
speed the next time it is turned on.
11 or 12
9 or 10
7 or 8
5 or 6
3 or 4
1 or 2
Speed
RPM
Setting
1
5000
2
7050
3
9100
4
11,100
5
13,200
6
15,200
6
Speed
RPM
Setting
7
17,250
8
19,300
9
21,350
10
23,400
11
25,450
12
27,500
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