Transport; Storage; Maintenance And Care - Kärcher B 90 R Handbuch

Inclination
If the vacuum result is unsatisfactory the in-
clination of the straight vacuum bar can be
modified.
Figure 8, see cover page
 Release the wing nuts.
 Tilt the vacuum bar.
 Tighten the wing nuts.
Adjust brush contact pressure (only
with the Adv model)
Figure 10, see cover page
 Unlock the lever for the brush contact
pressure to the left and relock to the
right.
Level down: Reduce contact pressure.
–
Level up: Increase contact pressure.
–
Adjust wiper flaps (only with the
Adv model)
 Adjust the wiper flaps by turning the ad-
justment wheel so that they touch the
floor.
 Turn the adjustment wheel an addition-
al turn toward the bottom.
Emptying the Dirt Water Reservoir
Note
Overflow dirt water tank. If the dirt water
tank is full, the suction turbine switches off
and the indicator lamp "dirt water tank full"
begins to blink. All cleaning programs with
suction are blocked for one minute. Empty
the dirt water reservoir.
Warning
Please observe the local provisions regard-
ing the wastewater treatment.
 Take the dirt water discharge hose from
the support and lower above a suited
collection device.
Figure 11, see cover page
 Let off water by opening the dosage de-
vice at the discharge hose.
 The rinse the dirt water reservoir with
clear water.
Emptying the Fresh Water Tank
 Unscrew the filter cup of the fresh water
filter and let the fresh water tank drain
completely.
 Replace the filter cup.
Empty waste container (only with R
cleaning head)
 Check the waste container. If needed,
remove and empty waste container af-
ter work.
Shutting down
 Turn main key to "0" and remove it.
 Secure the machine with wheel chocks
to prevent it from rolling away.

Transport

Danger
Risk of injury! When loading or unloading
the machine, it may only be operated on
gradients of max. 10%. Drive slowly.
Caution
Risk of injury and damage! Observe the
weight of the appliance when you transport
it.
 When transporting in vehicles, secure
the appliance according to the guide-
lines from slipping and tipping over.
With mounted D cleaning head
 Remove brushes from the brush head.

Storage

Caution
Risk of injury and damage! Note the weight
of the appliance in case of storage.
 This appliance must only be stored in
interior rooms.
 Select the storage site for the appliance
taking into consideration the permissi-
ble total weight of the appliance in order
not to impact its stability.

Maintenance and care

Danger
Risk of injury. Before carrying out any tasks
on the machine, set the main key to "0" and
remove it. Press emergency-stop button.
Place the appliance on a stable, even sur-
face and disconnect the battery.
Note
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
After the work
Caution
Risk of damage. Do not wash down the ap-
pliance with water and do not use aggres-
sive detergents.
 Drain off dirt water.
 Check the flat folded filter, clean if re-
quired
 Only with R cleaning head Remove bulk
waste container and empty it.
 Clean the outside of the appliance with
a damp cloth which has been soaked in
mild detergent.
 Clean the vacuum lips and the wiping
lips, check for wear and replace if re-
quired.
 Check the brushes for wear, replace if
required.
 Charge battery.
Monthly
 During long operating pauses: Carry
out refill charging for the battery.
 Check battery pole for oxidation; brush
it if required and lubricate it using pole
grease. Ensure that the connection ca-
ble sits firmly.
 Clean the seals between dirt water res-
ervoir and cover and check for tight-
ness, replace if required.
5
-
EN
 Check the acid density of the cells if the
batteries are not maintenance-free bat-
teries.
 Clean the brush tunnel (only R cleaning
head)
Figure 12, see cover page
 Remove the water distribution strip from
the cleaning head and clean water ca-
nal (only R cleaning head).
Yearly
 Replace pump hose of the metering
pump (only Dose model).
 Have the prescribed inspection carried
out by the customer service.
Maintenance Works
Maintenance contract
To ensure a reliable operation of the appli-
ance maintenance contracts can be con-
cluded with the competent Kärcher sales
office.
Replacing the vacuum lips
 Remove the vacuum bar.
 Unscrew the star grips.
Figure 13, see cover page
 Remove the plastic parts.
 Remove the vacuum lips.
 Insert new vacuum lips.
 Insert the plastic parts.
 Screw in and tighten the star grips.
Install D cleaning head
 Push the pedal for raising/ lowering the
cleaning head down.
 Slide the cleaning head under the appli-
ance so that the hose points toward the
rear.
Only slide the cleaning head halfway
under the appliance.
Figure 14, see cover page
 Remove the lid of the cleaning head.
Figure 15, see cover page
 Connect the power cord of the cleaning
head to the appliance (same colours
must meet).
 Replace the lid and lock it.
 Slide the cleaning head halfway under
the appliance.
Figure 16, see cover page
 Connect the hose couplers on the
cleaning head to the hose on the appli-
ance.
Figure 17, see cover page
 Insert the tab into the middle of the
cleaning head, between the fork of the
lever.
 Position the lever on the pedal for rais-
ing/lowering so that the borings in the
lever and the cleaning head align.
 Insert the stop pin through the bushings
and swivel the locking plate downward.
Figure 18, see cover page
 Insert the cylinder pin into the boring of
the drawbar.
 Slide the drawbar with the pin the guide
channel on the cleaning head all the
way to the bottom and lock.
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