Spindle Lock - DeWalt D28143 Instruction Manual

WARNING: Accessories must be rated for at least the speed
recom mended on the tool warning label. Wheels and other
accessories running over rated accessory speed may burst and
cause injury. Every unthreaded accessory must have a 7/8" arbor
hole. If it does not, it may have been designed for a circular saw and
should not be used. Use only the accessories shown on pages 6–8.
Accessory ratings must be above listed minimum wheel speed as
shown on tool nameplate.
Switches
CAUTION: Hold the side handle and body of the tool firmly to
maintain control of the tool at start up and during use and until the
wheel or accessory stops rotating. Make sure the wheel has come
to a complete stop be fore laying the tool down.
NOTE: To reduce unexpected tool movement, do not switch the
tool on or off while under load conditions. Allow the grinder to run
up to full speed before touching the work surface. Lift the tool from
the surface before turning the tool off. Allow the tool to stop rotating
before putting it down.
PADDLE SWITCH
CAUTION: Before connecting the
tool to a power source depress and
release the paddle switch (A) once to
ensure that the switch is off. Depress
and release the paddle switch as
described above after any interruption
in power supply to the tool, such as the activation of a ground fault
interrupter, throwing of a circuit breaker, accidental unplugging, or
power failure. If the paddle switch is locked on, the tool will start
unexpectedly when it is reconnected.
To turn the tool on, push the lock-off lever (B) toward the back of
the tool, then depress the paddle switch (A). The tool will run while
the switch is depressed. Turn the tool off by releasing the paddle
switch.
is disabled, the tool may start unexpectedly when it is laid down.

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
any adjustments or removing or installing attachments or
accessories. Before reconnecting the tool, depress and release
the paddle switch to ensure that the tool is off.
A
Hubbed wheels install directly on the 5/8-11 threaded spindle.
B
Thread of accessory must match thread of spindle.
1. Backing flange is retained to the grinder by an O-ring on the
2. Thread the wheel on the spindle by hand.
3. Depress the spindle lock button and use a wrench to tighten the
4. Reverse the above procedure to remove the wheel.
9
WARNING: Do not disable the lock-off lever. If the lock-off lever
CAUTION: Turn off and unplug the tool before making
spindle. Remove backing flange by pulling and twisting flange
away form the machine.
hub of the wheel.
C