DeWalt DCG412 Guide D'utilisation page 25

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
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 (W) with the clamp lever in the
closed position with guard installed on
the tool.
NOTICE: 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 TYPE 1 OR TYPE 41 CUTTING WHEELS
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.
CAUTION: Matching diameter backing flange and threaded locking
FIG. 17
flange (included with tool) must be used for Type 1 and Type 41
U
cutting wheels.
1. Place the unthreaded backing flange on spindle with the raised
2. Place the wheel on the backing flange, centering the wheel on the
T
V
3. Install the threaded locking flange with the raised section (pilot)
4. Depress the spindle lock button and tighten threaded locking
5. To remove the wheel, depress the spindle lock button and loosen
I
USING TYPE 1 OR TYPE 41 CUTTING WHEELS
WARNING: Do not use edge grinding/cutting wheels for surface
FIG. 18
grinding applications because these wheels are not designed for side
pressures encountered with surface grinding. Wheel breakage and
injury may result.
1. Allow tool to reach full speed before touching tool to work
W
2. Apply minimum pressure to work surface, allowing tool to operate
3. Once a cut is begun and a notch is established in the workpiece,
4. Remove the tool from work surface before turning tool off. Allow
23
section (pilot) facing up. The raised section (pilot) on the backing
flange will be against the wheel when the wheel is installed.
raised section (pilot).
facing away from the wheel.
flange with a wrench.
the threaded locking flange with a wrench.
surface.
at high speed. Cutting rate is greatest when the tool operates at
high speed.
do not change the angle of the cut. Changing the angle will cause
the wheel to bend and may cause wheel breakage.
the tool to stop rotating before setting it down.