Hilti NPU 100 IP-A22 Original Operating Instructions page 18

▶ Follow all charging instructions and do not charge the battery pack or tool outside the temperature
range specified in the instructions. Charging improperly or at temperatures outside the specified range
may damage the battery and increase the risk of fire.
Service
▶ Have your power tool serviced by a qualified repair person using only identical replacement parts.
This will ensure that the safety of the power tool is maintained.
▶ Never service damaged battery packs. Service of battery packs should only be performed by the
manufacturer or authorized service providers.
2.2 Additional safety instructions applicable to hole punches
Personal safety
▶ Use the product only if it is in perfect working order.
▶ Never tamper with or modify the tool in any way.
Electrical safety
▶ Before use of the power tool, all live cables or other items carrying electric voltage within the area in which
the user is working are to be switched off. If this is not possible, the corresponding safety precautions
for working in the proximity of live cables or equipment must be implemented and observed.
▶ Do not punch live parts.
Power tool use and care
▶ After punching approx. 30 to 40 consecutive holes, switch the power tool off and allow it to cool down
for about 15 minutes. Overheating can lead to damage to the power tool.
2.3 Battery use and care
▶ Observe the special regulations and instructions applicable to the transport, storage and use of Li-ion
batteries.
▶ Do not expose batteries to high temperatures, direct sunlight or fire.
▶ Do not disassemble, crush or incinerate batteries and do not subject them to temperatures over 80 °C.
▶ Do not use or charge batteries that have suffered mechanical impact, have been dropped from a height
or show signs of damage. In this case, always contact your Hilti Service.
▶ If the battery is too hot to touch it may be defective. In this case, place the product in a non-flammable
location, well away from flammable materials, where it can be kept under observation and allowed to
cool down. In this case, always contact your Hilti Service.
3 Description
3.1 Product overview
3.2 Intended use
The product described is a cordless electro-hydraulic punching tool. It is designed for punching round,
square and rectangular holes in steel, aluminum, plastic or fiberglass parts.
Use only the punching dies available through the manufacturer.
Before starting work, check that the sheets to be punched and everything in the work zone (e.g. distribution
box/switch cabinet) are not electrically live.
Use only Hilti lithium­ion batteries of the B 22 series with this product.
•
14 English
1
Punching head
@
Manual piston return switch
;
Casing
=
Servicing and fault indicator (red LED)
%
Battery release button
&
Battery
(
Slot on both sides to fasten the Hilti retaining
)
leash
White LED to illuminate the working area
+
Control switch
§
2207117
*2207117*