Kärcher BD 750 BAT, Operating Instructions Manual

Page: 34 / 510

Operating Instructions English
34
Caution!
Risk of injury from crushing. When
swivelling down the tank, hold in this area
only.
„
Swivel down the tank and tighten the
screw
.
Caution!
Before switching on the unit, charge
the batteries!
Charging the batteries
Danger of explosion!
Open the hood before charging lead-
acid batteries.
Information:
The unit features deep-discharge
protection, i.e. if the still permitted minimum
capacity value is reached, the brush motors
and the turbine are switched off. In this
case the battery charge status display on
the control console illuminates red. From
this moment on the unit can only be driven.
„
Drive the unit directly to the charging
station, avoiding any inclines.
Information:
If using other batteries (e.g. another
manufacturer), the deep-discharge
protection for the particular battery must be
re-adjusted by Kärcher customer service.
Danger of electric shock!
Note power supply system and fusing
– see “Battery charger”.
Never use the battery charger in rain, in
high atmospheric humidity or in damp
rooms!
Information:
The battery charging process lasts on
average 10–15 hours.
The recommended battery chargers (which
correspond to the utilised batteries) are
electronically controlled and end the
charging process automatically.
All functions of the unit are automatically
interrupted during the charging process.
Charging procedure packaged
equipment
„
Insert the connection cable plug into the
socket.
Charging process BR/BD 750 BAT
„
Drain off and dispose of dirty water and
any residual cleaning liquid.
„
Loosen the screw and open the hood.
„
Remove the battery connector and
connect to the charger cable.
„
Switch on battery charger.
Non-maintenance-free batteries
„
One hour before the end of the charging
process, add distilled water, ensuring
that the acid level is correct. Batteries
are identified accordingly.
Risk of injury!
If a discharged battery is refilled with
water, acid may escape!
When handling battery acid, wear protec-
tive goggles and follow the instructions to
prevent injury and damage to clothing.
Immediately wash off any acid splashes on
the skin or clothing using plenty of water.
Caution!
Use only chemically pure battery acid
(in compliance with VDE 0510),
concentration 1.28 kg/l.
Refill the batteries with distilled or
demineralised water only (VDE 0510).
Do not use additives (so-called enhancing
agents), otherwise any warranty will be
invalidated.
!
i
i
!
i
!