Bosch GBH18V-40C Consignes D'utilisation/De Sécurité page 12

Disconnect battery pack from tool or place the switch in the locked-off posi-
tion before making any assembly, adjustments or changing 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 Trig-
ger Switch (Fig. 8, 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. Apply more
pressure to increase the speed and release pres-
sure to decrease speed.
To reduce the risk of injury
immediately
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 (Fig. 8, 6) serves two
purposes:
• Lock-on function to keep the tool running
without constantly depressing the switch (8).
This function works only when the Mode Se-
lector Dial (4) is in the "Hammering" mode
(See "Mode Selector Dial" chapter).
• Lock-Off function to prevent an accidental ac-
tivation of the switch (8). When the button is
in down position, the trigger is disabled. Be-
fore turning the tool on, press and release the
button (6) to return it to the up (unlocked)
position.
Pressing the lock-on / lock-
off button 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.
To resume hammer operation, press and release
the Lock-Off Button (6).
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Fig. 8
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