DeWalt DC411-XE Instruction Manual page 19

2. Depress spindle lock button and use a wrench on the hub of the wire wheel or
brush to tighten the wheel.
3. To remove the wheel, reverse the above procedure.
CAUTION: To reduce the risk of damage to the tool, properly seat the wheel hub
before turning the tool on.
USING WIRE CUP BRUSHES AND WIRE WHEELS
Wire wheels and brushes can be used for removing rust, scale and paint, and for
smoothing irregular surfaces.
NOTE: The same precautions should be taken when wire brushing paint as when
sanding paint (see page 16).
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. Material removal rate is greatest when the tool operates at high speed.
3. Maintain a 5˚ to 10˚ angle between the tool and
work surface for wire cup brushes.
4. Maintain contact between the edge of the wheel
and the work surface with wire wheels.
5. Continuously move the tool in a forward and
back motion to avoid creating gouges in the work
surface. Allowing the tool to rest on the work
surface without moving, or moving the tool in a circular motion causes burning
and swirling marks on the work surface.
6. Remove the tool from the work surface before turning the tool off. Allow the tool
to stop rotating before setting it down.
CAUTION: Use extra care when working over an edge, as a sudden sharp
movement of grinder may be experienced.
Mounting and Using Cutting (Type 1) Wheels
Cutting wheels include diamond wheels and abrasive discs. Abrasive cutting wheels
for metal and concrete use are available. Diamond blades for concrete cutting can
also be used.
WARNING: A closed, two-sided cutting wheel guard is included with this tool and
is re quired when using cutting wheels. Fail ure to use proper flange and guard can
re sult in injury resulting from wheel breakage and wheel contact. See pages 11 and
12 for more information.
MOUNTING CLOSED (TYPE 1) GUARD
WARNING: To reduce the risk of serious personal injury, turn tool off and
remove battery pack before making any adjustments or removing/installing
attachments or accessories.
1. Open the guard latch (R), and align the lugs (S)
on the guard with the slots on the hub (T). This
will align the lugs with slots on the gear case
cover. Position the guard facing backward.
2. Push the guard down until the guard
lug engages and rotates freely in the groove on
the gear case hub.
3. Rotate guard (I) into desired working position.
The guard body should be positioned between the
spindle and the operator to provide maximum
operator protection.
4. Close the guard latch to secure the guard on the
gear case cover. You should be unable to rotate
the guard by hand when the latch is in closed
5˚-10˚ position. Do not operate grinder with a loose
guard or clamp lever in open position.
5. To remove the guard, open the guard latch,
rotate the guard so that the arrows are aligned
and pull up on the guard.
NOTE: The guard is pre-adjusted to the dia met-
er of the gear case hub at the factory. If, after a
period of time, the guard becomes loose, tighten
the adjusting screw (V) with the clamp lever in the
closed position with guard installed on the tool.
CAUTION: To reduce the risk of damage to the tool, do not tighten adjusting screw
with clamp lever in open position. Undetectable damage to guard or mounting hub
may result.
MOUNTING CUTTING WHEELS
WARNING: To reduce the risk of serious personal injury, turn tool off and
remove battery pack before making any adjustments or removing/installing
attachments or accessories.
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