*2127431*
2127431 English 15
3 Description
3.1 Overview of the product 1
@
Keyless chuck
;
Motor cooling air intake
=
Grip
%
Switch safety lock
&
Control switch (with electronic speed control)
(
Belt hook
)
Battery
+
Air exit
§
Battery release button
/
Battery display
3.2 Intended use
The product described is a hand-held cordless drill designed for drilling blind holes in steel using Hilti
TXBT… stepped drill bits which is a prerequisite for driving Hilti XBT threaded studs.
• Use only Hilti lithiumion batteries of the B 22 series with this product.
• Use only Hilti-approved battery chargers to charge these batteries. More information is available from
your Hilti Store or from www.hilti.group
3.3 Switch-on interlock 2
The tool is equipped with a switch safety lock that can be used to lock the control switch, thereby preventing
inadvertent starting.
Switch positions
• If the switch safety lock is positioned longitudinally, i.e. in line with the working direction of the drill, the
control switch is locked (the switch-on interlock is active).
• If the switch safety lock is pointing to the left relative to the working direction of the drill, the control
switch is free to operate (the switch-on interlock is deactivated).
3.4 Overload and overheating protection
The power tool is equipped with an electronic system to protect against overloading and overheating. The
power tool switches itself off automatically in the event of overloading or overheating. After releasing the
control switch, the power tool may not restart immediately when the switch is pressed again (while the power
tool is cooling down).
Activation of the automatic cut-out is indicated by all 4 LEDs on the battery display blinking.
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