Kärcher BR 55/40 RS Manual Original página 18

Maintenance and care
DANGER
Risk of injury! Before carrying out any tasks
on the machine, set the main key to "0" and
remove it. Pull the battery plug.
WARNING
Suction turbine will continue to run for a
while after switch-off. Carry out mainte-
nance tasks only after the suction turbine
has come to a halt.
 Drain and dispose of the dirt water and
the residual fresh water.
Maintenance schedule
Prior to operation:
 Check and ensure that the top of the
appliance is seated properly on the
waste water tank.
 Check tyre status.
 Check if brush is fitted properly.
 Check the inserts of the suction hose
for leaks.
 Check fastening of the suction bar (see
"Maintenance tasks").
 Check the lid of the drain hose for the
wastewater tank for tightness.
 Check the correct positioning of both
drain hoses in their holders.
 Check accelerator pedal, brake and
steering wheel for correct functioning.
 Check acid level in wet batteries; refill
distilled water, if required.
After operation:
 Empty the waste water tank.
 Rinse the waste water tank with clear
water.
 Clean the sieve and the swimmer in the
waste water tank (see "Maintenance
tasks").
 Clean fresh water tank.
 Switch on the suction for drying the sys-
tem.
 Empty and clean the coarse dirt pan
(BR model only).
 Check brush for wear and tear and
clean it.
 Clean vacuum lips in the vacuum bar
and check for wear.
 Clean the outside of the appliance with
a damp cloth which has been soaked in
mild detergent.
 Check device externally for damage.
 Store the appliance as shown above to
dry off the tanks (see "Empty tanks").
 Charge the battery:
If the charging state of the battery is un-
der 50%, charge the battery fully and
without interruption.
If the charging state of the battery is
over 50%, only recharge the battery if
the entire operation duration will be re-
quired when next used.
Weekly
 When used regularly, charge the bat-
tery fully and without interruption at
least once a week.
18
Every 50 operating hours
 Clean upper side of the batteries.
 Check acid density in wet batteries.
 Check battery cable for correct positioning.
 Clean the sieve in the fresh water reser-
voir.
BR 55/40 RS only:
 Check the side spray protection on the
cleaning head.
Monthly
 For long periods of disuse, only turn the
device off when the battery is fully
charged. Fully recharge the battery at
least every month.
Every 100 operating hours
 Clean battery room and battery casing.
Every 200 operating hours
 Check immobilising brake. *
 Clean the joints on the cleaning head
hookup.
 Check carbon brushes and commuta-
tors of all motors for wear and tear. *
 Check tension of steering chain. *
 Check the tension of the drive chains on
the drive. *
* To be done by Customer Service.
Maintenance contract
To ensure a reliable operation of the appli-
ance maintenance contracts can be con-
cluded with the competent Kärcher sales
office.
Maintenance BR 55/40 RS
Dismantling the vacuum bar
 Pull out the suction hose from the vacu-
um bar.
 Raise the handle of the suction bar cou-
pling.
 Remove the vacuum bar.
Turn or replace vacuum lips
 Remove the vacuum bar.
1 Star handle
2 Plastic part
3 Vacuum lip
6
-
EN
 Unscrew the star grips.
 Remove the plastic parts.
 Remove the vacuum lips.
 Turn the vacuum lips or insert new
ones.
 Insert the plastic parts.
 Screw in and tighten the star grips.
Replacing the brush rollers
 Swivel the unlocking lever upward.
 Swivel the spray protection toward the
front.
 Press the brush change key and tilt the
cover on the brush head towards the
side.
 Pull out the brush rollers.
 Insert and lock into place the new brush
rollers.
 Close the cover, align the brushes and
lock in the cover.
 Swivel the spray guard back.
 Swivel the unlocking lever downward.
Maintenance tasks BD 50/40 RS
Dismantling the vacuum bar
 Set programme selection to "Drive".
 Turn key to "0" and remove it.
 Pull out the suction hose from the vacu-
um bar.
1 Suction hose
2 Suction bar coupling
 Pull out the suction hose from the vacu-
um bar.
 Loosen the suction bar coupling.
 Remove the vacuum bar.