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5. To remove the wheel, depress the spindle lock button and loosen the threaded
clamp nut with a wrench.
NOTE: If the wheel spins after the clamp nut is tightened, check the orientation of the
threaded clamp nut. If a thin wheel is installed with the pilot on the clamp nut against
the wheel, it will spin because the height of the pilot prevents the clamp nut from
holding the wheel.
SURFACE GRINDING WITH GRINDING WHEELS
1. Allow the tool to reach full speed before touching
the tool to the work surface.
2. Apply minimum pressure to the work surface,
allowing the tool to operate at high speed.
Grinding rate is greatest when the tool operates at
high speed.
3. Maintain a 20° to 30° angle between the tool and
work surface (Fig. 11).
4. Continuously move the tool in a forward and back motion to avoid creating
gouges in the work surface.
5. Remove the tool from work surface before turning tool off. Allow the tool to stop
rotating before laying it down.
EDGE GRINDING WITH GRINDING WHEELS
WARNING: Wheels used for cutting and edge
grinding may break or kickback if they bend or
twist while the tool is being used to do cut-off
work or deep grinding. To reduce the risk of
serious injury, limit the use of these wheels with
a standard Type 27 guard to shallow cutting and
notching (less than 13 mm [1/2"] in depth). The
open side of the guard must be positioned away
from the operator. For deeper cutting with a Type 1
cut-off wheel, use a closed Type 1 guard. Refer to
pages 12 and 13 for more information.
1. Allow the tool to reach full speed before
touching the tool to the work surface.
2. Apply minimum pressure to the work surface, allowing the tool to operate at high
speed. Grinding rate is greatest when the tool operates at high speed.
3. Position yourself so that the open-underside of the wheel is facing away from
you.
4. Once a cut is begun and a notch is established in the workpiece, do not change
the angle of the cut. Changing the angle will cause the wheel to bend and may
cause wheel breakage. Edge grinding wheels are not designed to withstand side
pressures caused by bending (Fig. 12).
FIG. 11
5. Remove the tool from the work surface before turning the tool off. Allow the tool
to stop rotating before laying it down.
WARNING: Do not use edge grinding/cutting wheels for surface grinding
applications because these wheels are not designed for side pressures encountered
20˚–30˚
with surface grinding. Wheel breakage and serious personal injury may result.
SURFACE FINISHING WITH SANDING FLAP DISCS
1. Allow the tool to reach full speed before touching
the tool to the work surface.
2. Apply minimum pressure to work surface,
allowing the tool to operate at high speed.
Sanding rate is greatest when the tool operates
at high speed.
3. Maintain a 5° to 10° angle between the tool and work surface (Fig. 13).
FIG. 12
4. Continuously move the tool in a forward and back motion to avoid creating
gouges in the work surface.
5. Remove the tool from work surface before turning tool off. Allow the tool to stop
rotating before laying it down.
MOUNTING SANDING BACKING PADS (FIG. 14)
WARNING: To reduce the risk of serious personal injury, turn tool off and
remove the battery pack before making any adjustments or removing/installing
attachments or accessories. An accidental start-up can cause injury.
NOTE: Guard may be removed when using sanding backing pads.
16
FIG. 13
5˚–10˚
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