DeWalt DW831 Manual De Instrucciones página 47

push the lock-on button (B). The tool will continue to run after the
trigger switch is released. To unlock the tool, depress and release the
trigger switch. This will cause the tool to stop.
CAUTION: Allow the tool to reach full speed before touching tool
to the work surface. Lift the tool from the work surface before turning
the tool off.
SPINDLE LOCK
The spindle lock (C) is provided to prevent the spindle from rotating
when installing or removing wheels. Operate the spindle lock only
when the tool is turned off, unplugged from the power supply, and
has come to a complete stop. Do not engage the spindle lock
while the tool is operating because damage to the tool will result.
To engage the lock, depress the spindle lock button and rotate the
spindle until you are unable to rotate the spindle further.
Mounting and Using Depressed Center
Grinding Wheels and Sanding Flap Discs
MOUNTING AND REMOVING HUBBED WHEELS
Hubbed wheels install directly on the 5/8"–11 (B3) & M14 (AR, B2, BR
threaded spindle. Thread of accessory must match thread of spindle.
1. Remove backing flange (H) by pulling away from the tool.
2. Thread the wheel on the spindle by hand.
3. Depress the spindle lock button and use a wrench to tighten the
hub of the wheel.
4. Reverse the above procedure to remove the wheel.
NOTICE: Failure to properly seat the wheel before turning the tool on
may result in damage to the tool or the wheel.
MOUNTING NON-HUBBED WHEELS (FIG. 5–9)
Depressed center Type 27 grinding wheels must be used with
included flanges. Refer to Accessories and Attachments for more
information.
1. Install the backing flange (H) on spindle (I) with the raised section
(pilot) against the wheel. Be sure the backing flange recess is
seated onto the flats of the spindle by pushing and twisting the
flange before placing wheel.
FIG. 5
H
I
2. Place wheel against the backing flange, centering the wheel on
the raised section (pilot) of the backing flange.
3. While depressing the spindle lock button, thread the clamp nut
(J) on spindle. If the wheel you are installing is more than 1/8"
(3.31mm) thick, place the threaded clamp nut on the spindle so
that the raised section (pilot) fits into the center of the wheel. If the
wheel you are installing is 1/8" (3.31 mm) thick or less, place the
threaded clamp nut on the spindle so that the raised section (pilot)
is not against the wheel.
1/4" WHEELS
FIG. 7
(6.35 mm)
Clamp Nut
Backing Flange
4. While depressing the spindle lock button, tighten the clamp nut
with a wrench.
45
FIG. 6
J
1/8" WHEELS
(3.31 mm)
Clamp Nut
Backing Flange