Spindle Lock - Porter-Cable PCC761 Instruction Manual

so that the lugs on the guard (9) are
aligned with the slots on the gear case
cover, and pull up on the guard.
FIGURE G
NOTE: The guard is pre-adjusted to
the diameter of the gear case hub at the
factory. If, after a period of time, the guard
becomes loose, tighten the adjusting
and guard installed on the tool.
Do not tighten the adjusting screw with the
latch in the open position. Undetectable
damage to the guard or the mounting hub
may result. If the guard cannot be tightened
by the guard latch, do not use the tool and
take the tool and guard to a service center
to repair or replace the guard.
NOTE Edge grinding and cutting can be
:
thick wheels are designed for surface grinding
while 1/8 inch (3mm) wheels are designed for
edge grinding. Cutting can also be performed
by using a Type 1 wheel and a Type 1 guard.
OPERATION
SWITCH - FIGURE H & I
Lock-off Button and Trigger Switch
Your cut-off tool is equipped with a lock-off
To lock the trigger switch (1), move the
Figure H. When the lock-off button is moved
to this position, the trigger switch is locked.
Always lock the trigger switch when
carrying or storing the tool to eliminate
unintentional starting.
To unlock the trigger switch, move the
lock-off button to the front as shown in Figure I.
When the lock-off button is moved to this
position, the trigger switch is unlocked.
Pull the trigger switch (1) to turn the motor
ON. Releasing the trigger switch turns the
motor OFF.
NOTE : This tool has no provision to lock the
switch in the ON position, and should never be
locked ON by any other means.
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 before laying the tool down.
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 button (3) is provided to
prevent the spindle from rotating when
installing or removing wheels. Operate the
spindle lock only when the tool is turned
off, the battery is removed, and the wheel
has come to a complete stop.
Do not engage the spindle lock while the
tool is operating. Damage to the tool will
result and attached accessory may spin off
possibly resulting in injury.
To engage the lock, depress the spindle
lock button shown in figure J 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
Turn off tool and remove battery before
making any adjustments or removing or
installing attachments or accessories.
in.-11 threaded spindle.
1. Thread the wheel on the spindle by hand.
a wrench to tighten the hub of the wheel.
3. Reverse the above procedure to remove
the wheel.
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
Turn off tool and remove battery before
making any adjustments or removing or
installing attachments or accessories.
must be used with included flanges. See pages
13 and 14 of this manual for more information.
1. Figure K - Install the unthreaded
backing flange (7) on spindle (4) with the
raised section (pilot) against the wheel.
centering the wheel on the raised
section (pilot) of the backing flange.
3. Figure L - While depressing the spindle lock button,
thread the threaded clamp nut (8) on spindle.
Figure M - If the wheel you are installing
is more than 1/8 inch (3mm) thick,
place the threaded clamp nut on the
spindle so that the raised section (pilot)
fits into the center of the wheel. Figure N - If
the wheel you are installing is 1/8 inch (3mm)
thick or less, place the threaded clamp nut on
the spindle so that the raised section (pilot) is
not against the wheel.
4. While depressing the spindle lock
button (3), tighten the threaded clamp
nut with included wrench.
To remove the wheel, depress the spindle
lock button and loosen the threaded
clamp nut with included wrench.
NOTE If the wheel spins after the
:
13