Kärcher BD 50 R Classic Mode D'emploi page 9

Keep children away from acid
and batteries
Danger of explosion
Fire, sparks, naked flames
and smoking must be strictly
avoided
Danger of chemical burns
First aid
Warning note
Disposal
Do not throw the battery into
the regular waste
DANGER
Risk of explosion!
Do not place tools or similar items on
the battery. Risk of short-circuit and ex-
plosion.
Risk of injury. Ensure that wounds nev-
er come into contact with lead. Always
clean your hands after having worked
with batteries.
Recommended batteries
105 Ah - maintenance-free
Order No. 6.654-141.0
Volume [m } * 2,64
3
Air flow [m /h] ** 1,06
3
* Minimum volume of the battery
charging room
** Minimum air flow between the bat-
tery charging room and the surround-
ings
The device requires 2 batteries
Complete set (24 V/105 Ah) incl. con-
1)
necting cable, order no. 4.039-287.0
Insert batteries and connect
The "Pack" model contains built-in bat-
teries.
Pull out the battery plug.

Tilt the waste water tank back-

wards.
1 Spacer
ATTENTION
Risk of damage. Mind correct polarity.
Connect pole using the enclosed

connecting cable.
Connect the connection cable to

the free battery poles (+) and (-).
Check for correct installation of the

terminal protective covers.
Insert battery plug.

ATTENTION
Risk of damage due to total discharge.
Charge the batteries before commis-
sioning the appliance.
Charge the batteries
Note:
The appliance is equipped with a total
discharge protection, i.e. if the still ad-
missible minimum of the capacity is
reached, the appliance can only be
driven.
Brush drive and suction are disabled.
Drive the appliance directly to the

charging station; avoid any steep
gradients in the process.
Note:
When using other batteries (e.g. bat-
1)
teries from other manufacturers), the
total discharge protection level for the
respective battery must be reset by the
Kärcher aftersales service.
DANGER
Risk of electric shock. Observe power
supply net and fuse protection – see
"Charger".
Use the charger in dry rooms with suf-
ficient ventilation only!
Note:
Average charging time is approx. 10 -
12 hours.
The recommended chargers (suitable
for the batteries used) are regulated
electronically and will automatically
terminate the charging process.
DANGER
Danger of explosion. The room, where
the machine is kept to charge the bat-
tery, must feature a minimum volume
and an air exchange with a minimum
flow rate, depending on the type of bat-
tery (see "Recommended Batteries").
7
-
EN
Risk of explosion. The charging of wet
batteries is only permitted if the waste
water tank is tilted up.
Empty the waste water tank.

Set the key switch to position "0"

and pull out the key.
Tilt the waste water tank back-

wards.
1 Battery plug, battery side
2 Battery plug, appliance side
Detach the battery plug on the bat-

tery side.
ATTENTION
Risk of damage!
Do not connect the charger with the
–
battery plug on the unit side.
Only use a charger that is suitable
–
for the installed battery type:
Battery type Charger
6.654-141.0 6.654-367.0
Note: Please read the operating in-
structions of the charger manufacturer,
especially the chapters on safety in-
structions!
Connect the battery plug on the bat-

tery side with the charger.
Plug the mains plug of the charger

into a power outlet.
Execute the charging process ac-

cording to the information in the op-
erating instructions of the charger.
Low maintenance batteries (wet
batteries)
Add distilled water one hour before

the charging process comes to an
end; follow the correct acid level.
There are corresponding indicators
on the battery. At the end of the
charging process, all cells must
gas.
DANGER
Risk of chemical burns. Adding water
to the battery in its discharged state
can cause the acid to leak!
Use safety glasses while handling bat-
tery acid and follow the safety instruc-
tions to avoid personal injury or dam-
age to clothes.
Should the acid spray on to the skin or
clothes, rinse immediately with lots of
water.
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