Hilti SF BT 22­A Original Operating Instructions page 19

Careful handling and use of batteries
▶ Do not use the battery as a power source for other unspecified appliances.
▶ Observe the special guidelines applicable to the transport, storage and use of lithium-ion batteries.
▶ Do not expose batteries to high temperatures, direct sunlight or fire.
▶ Do not disassemble, squash or incinerate batteries and do not subject them to temperatures over 80°C.
▶ Do not attempt to charge or continue to use damaged batteries.
▶ If the battery is too hot to touch it may be defective. In this case, place the power tool in a non-flammable
location, well away from flammable materials, where it can be kept under observation and allowed to
cool down. Contact Hilti Service after the battery has cooled down.
3 Description
3.1 Overview of the product
Keyless chuck
@
Motor cooling air intake
;
Grip
=
Switch safety lock
%
Control switch (with electronic speed
&
control)
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 Li­ion batteries of the B 22 series with this product.
▶ Use only Hilti battery chargers from the C4/36 series for charging these batteries.
3.3 Switch-on interlock release button
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 safety lock 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 safety lock 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).
Note
Activation of the automatic cut-out is indicated by all 4 LEDs on the battery display blinking.
3.5 Li­ion battery display
The charge status of the Li-ion battery and malfunctions of the power tool are indicated by the display on
the Li­ion battery. The charge status of the Li­ion battery is displayed after pressing one of the two battery
release buttons.
Status
4 LEDs light.
3 LEDs light.
2 LEDs light.
1 LED lights.
1 LED blinks, the power tool is ready for use.
Printed: 19.10.2016 | Doc-Nr: PUB / 5252274 / 000 / 01
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Meaning
•
•
•
•
•
Belt hook
Battery
Air exit
Battery release button
Battery display
Charge status: 75 % to 100 %
Charge status: 50 % to 75 %
Charge status: 25 % to 50 %
Charge status: 10 % to 25 %
Charge status: < 10 %
English 13