4
Operation
Drive batteries
1
3 2
Display_e0040a
Battery discharged
It is recommended to recharge the battery
when all green LEDs of the discharge indicator
(2) are extinguished on the display unit (1) and
the red LED (3) lights up (battery discharged
by 80%).
If the red LED flashes (residual battery ca-
pacity < 20%), the battery must be recharged
immediately.
Charging, maintaining and
servicing the
battery must only be carrie
d out in accordance
with the battery maintenan
ce instructions
of the battery manufacture
r. If the battery
maintenance instruction
s are missing, request
them from the respective s
ervice partner.
The operating instructions for any battery
charger supplied must also be observed. If a
battery charger is already available, only the
instructions belonging to the battery charger
are applicable.
DANGER
Risk of explosion when charging the battery in
insufficiently ventilated areas due to flammable
gases.
The battery must only be charged at the charging
stations and locations provided for this purpose
and in accordance with regulations. They must
fulfil certain criteria, such as ensuring sufficient
ventilation during the charging process. In addition,
do not smoke when working with batteries and
extinguish all open flames.
CAUTION
Repeated deep discharges of the battery may not
only shorten the service life but also damage the
battery irreparably.
Batteries can be discharged to an acid density of
1.13 kg/l. The battery must then be recharged.
CAUTION
Storage of discharged batteries over lengthy peri-
ods will result in lasting damage.
Discharged batteries should be recharged at once.
200 Operating Instructions – 3888011701 EN – 12/2017
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