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of electric shock. Dirty or dusty appliances should
thus be checked at a Hilti service center at regular
intervals, especially if used frequently for working on
conductive materials.
5 Before use
5.1 Connecting
2 3
NOTE
Both batteries cannot be charged simultaneously.
NOTE
Charge the battery only when within the 5°C to 35°C
(+41°F to +95°F) temperature range.
Best charging efficiency is achieved at ambient temper-
atures of 5°C to 30°C (+41°F to +86°F).
1. Connect the AC adapter to the appliance.
2. Plug the supply cord into the power outlet.
3. Insert the PRA 82 or PRA 801 battery in the charger.
6 Operation
CAUTION
The appliance becomes warm while charging the battery.
The appliance must therefore not be built-in, covered
over or used in a location where the air cannot circulate freely. Do not operate the charger inside a closed
container.
CAUTION
Never store or charge the battery in direct sunlight, on a radiator at a window or behind a pane of glass.
The
battery will suffer damage at high temperatures.
6.1 LED indicators
1
NOTE
Both batteries cannot be charged simultaneously. If one charging compartment is already occupied by a battery, the
other compartment is deactivated. The LEDs at the vacant charging compartment don’t light until the battery has been
removed.
LED indicators
Green LED out
The appliance is not connected to the
electric supply or the charging com-
partment is deactivated as a battery is
already present in the other charging
compartment.
Green LED lights constantly
The appliance is connected to the elec-
tric supply and is in operation.
en
4
Pr
int Date:
30.03.2015 13:25:24 | Pr
inted b
y:
Benjamin Matt | Document-Nr
: O
TR / 5125873 / 000 / 00 | ECM:
000000566361 | Comment:
Printed: 30.03.2015 | Doc-Nr: PUB / 5224030 / 000 / 00