Bosch GBH18V-26D Operating/Safety Instructions Manual page 12

2610051859_GBH18V-26D 11/19/18 9:33 AM Page 12
▶ Variable Speed Controlled
Trigger Switch
Your tool is equipped with a variable
speed trigger switch. 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. 1).
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.
▶ Forward/Reversing Lever and
Trigger Lock
Your tool is equipped with a forward/
reversing lever and trigger lock located
above the trigger (Fig. 9). This lever was
designed for changing rotation of the
chuck, and for locking the trigger in an
"OFF" position to help prevent
accidental starts and accidental battery
discharge.
For forward rotation, (with chuck
pointed away from you) move the lever
to the far left. For reverse rotation move
the lever to the far right. To activate
trigger lock move lever to the center off
position.
until the tool comes to a complete
stop. Shifting during rotation of the
chuck can cause damage to the tool.
▶ Mode Selector Dial
The mode selector dial allows the tool
Drilling only:
used for drilling
wood, steel, etc.
Operating Instructions
Apply more
To reduce the risk of
injury immediately
Do not change
direction of rotation
Drilling/hammering:
used for drilling
concrete
FIG. 10
-12-
FIG. 8
DEPTH G UGE
RELE SE BUTTON
DEPTH
GAUGE
FIG. 9
FORWARD/REVERSING
LEVER AND TRIGGER
LOCk
to be set for various applications as
listed in the following chart, (Fig. 10).
the tool comes to a complete stop.
Shifting during rotation of the chuck can
cause damage to the tool.
Vario-lock
allows for desired
positions of "hammer"
Do not operate the
selection dial until
Hammering only:
used for light
chipping work