Mode Selector Dial - Bosch GBH18V-34CQ Consignes D'utilisation/De Sécurité

accessories. Such preventive safety measures reduce the risk of starting the tool
accidentally.
Variable Speed Controlled
Trigger Switch
Your tool is equipped with a variable
speed trigger switch 8. The tool can be
turned "ON" or "OFF" by squeezing or
releasing the trigger. The speed can be
adjusted from the minimum to maximum
nameplate RPM by the pressure you
apply to the trigger.
pressure to increase the speed and
release pressure to decrease speed
(Fig. 13).
discontinue use of the tool if the
variable speed control ceases to
function. Subsequent loss of on/off
control of the trigger switch is likely.
Lock-On / Lock-Off Button
Lock-On / Lock-Off Button 6 (Fig. 13)
serves two purposes:
- Lock-on function to keep the tool
running
depressing the trigger 8. This
function works only when the Mode
selector dial 4 is in the "Hammering"
mode (See "Mode Selector Dial"
chapter).
- Lock-Off function to prevent an
accidental activation of the trigger 8.
When the button is in down position,
the trigger is disabled. Before turning
the tool on, press and release the
button 6 to return it to the up
(unlocked) position.
while the tool is running in any mode
other than "Hammering" will shut the
tool off and lock it in an "OFF"
position. In addition, switching modes
while in lock-on mode will shut the
tool off and lock it in an "OFF"
position.
Operating Instructions
Disconnect battery pack from tool or place the switch in the locked
off position before making any assembly, adjustments or changing
Apply more
To reduce the risk of
injury immediately
without constantly
Pressing the lock-on
/ lock-off button
Fig. 13
To resume hammer operation, press
and release the

Mode Selector Dial

the tool comes to a complete stop.
Shifting during rotation of the chuck can
cause damage to the tool.
The mode selector dial 4 allows the tool
to be set for various applications as
listed in the following chart:
Drilling: used for hammer-
drilling concrete
Reverse
loosening the bit from the
workpiece
Vario-lock allows chisel to be
set in one of 12 positions
Hammering: used for chiseling
and demolition work
When using demolition or chiseling bits
such as bull points, chisels, spades,
-14-
4
Lock-Off Button 6 .
Do not operate the
selection dial until
Mode: used
6
8
9
for