Led Work Light; Operation - Bosch GCU18V-30 Operating/Safety Instructions Manual

The rated speed of the accessory must be at least equal to the maximum speed
marked on the power tool. Accessories running faster than their rated speed can
break and fly apart.
On/Off Push Switch
Hold the tool with both
hands while starting. Torque
from the motor can cause the tool to twist.
To turn the tool "ON", press and hold the on/
off push switch (Figure 1, 5) until the LED work
light (Figure 1, 4) comes on and the tool turns
on.
NOTE: The on/off push switch has to be held
down for a very brief period in order to turn the
tool on. This is to help prevent accidental actua-
tion of the tool.
To turn the tool "OFF", press the on/off push
switch (5).

LED Work Light

Upon starting the tool, the LED work light (Fig-
ure 1, 4) switches on and illuminates the work
area.
Make a Few Practice Cuts
Do not attempt to use this
tool to make cutouts around
any fixture or opening which has live electrical
wires, or any wall which may have live electri-
cal wiring behind it. Shut off breakers or remove
fuses to disconnect the circuit. Always hold the
tool by its thermoplastic housing. The bit could
conduct electrical current to the tool, creating
an electrocution hazard for the operator.
After installing the bit into the tool and adjusting
your depth stop, you should make a few practice
cuts with the tool before attempting an actual
job. A few exercises will give you the necessary
practice to make clean, professional cuts.
Step 1: Make certain that the collet nut (Figure
1, 12) is securely tightened before turning the
tool on.
Step 2: Hold the tool firmly and turn the tool
"ON".
Step 3: While holding the tool firmly, insert the
bit into the material at a 45° angle (Fig. 7).
2610067307_GCU18V30_202203.indd 13

Operation

Step 4: Slowly bring it to a 90° angle to be-
gin the cut (Fig. 8). The adjustable depth stop
should be flush to the material surface. For all
materials (EXCEPT cutting around outlet boxes
in drywall), steer the tool in a clockwise direc-
tion with slow, steady pressure to make the cut.
Step 5: After completing your cut, turn off the
tool and carefully remove it from the material.
NOTE: Because of the rotating cutting action of
the bit, there will be a slight pull when cutting.
The slower you cut, the more control you have.
Excessive pressure or fast cutting will cause ex-
cessive heat and may shorten the life of the bit.
NOTE: When cutting on a vertical surface, avoid
ending your cut at the bottom of the hole. If pos-
sible, start and end your cut at the top so the
scrap part will not drop onto the rotating bit.
Turn the tool off and remove it from the material.
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Fig. 7
Drywall
Fig. 8
3/30/22 8:33 AM