Care And Maintenance; Maintenance Schedule - Kärcher BR 75/140 R Betriebsanleitung

Operating Instructions
Traction
The traction is switched off when the
permissible temperature is exceeded.
Possible causes:
– Unit driven too long on steep slopes.
– Parking brake blocks driving.
Countermeasures:
Let the unit cool down for at least 10
minutes with the key-operated switch
switched on.
Then the key must be switched off and
back on to continue operation.
Avoid extreme slopes.
Call customer service if the parking
brake is blocked.
– The temperature of the traction is
displayed as a bar diagram by pressing
the Info button several times.
Drain off dirty water
Information:
i
Overflow dirty water tank. When the
dirty water tank is full the vacuum motor
switches off and the control lamp – Dirty
water tank full – flashes. All operating
modes with suction are blocked for one
minute. Empty the dirty water tank.
Caution!
Observe local regulations for the
treatment of waste water.
Take the drainage hose out of the holder
and place in a suitable receptacle. Drain
the dirty water by opening the metering
equipment on the drain hose. Then rinse
out the dirty-water tank with fresh water.
Drain off the fresh water.
Switch over from recycling/fresh-water
mode (optional) to fresh-water mode
(swivel forwards).
Disconnect the hose coupling for
draining the fresh water and hold over a
suitable collecting point. To accelerate
drainage, the water pump can be
switched on with the "Wall/ceiling/floor
tool on/off" button (optional).
This will also switch on the suction
turbine.
24
Adjusting the suction bar
Rotating the suction bar
To improve the pick-up result on ceramic
floors, the suction bar can be rotated by up
to 5°:
Loosen the star knobs.
Rotate the suction bar.
Tighten the star knobs.
Tilting the suction bar
If the suction result is unsatisfactory, the
straight suction bar can be tilted.
Loosen the wing nuts.
Tilt the suction bar.
Tighten the wing nuts.

Care and maintenance

Risk of injury!
!
Before performing any work on the
unit, turn the key switch to "O" and remove
the key. Remove the battery connector.
Drain and dispose of dirty water and any
remaining fresh water.

Maintenance schedule

After work
Caution!
Do not spray the unit with water or
use any aggressive detergents.
Drain off the dirty water.
Rinse out the dirty-water tank with fresh
water.
Check the fluff strainer and, if required,
clean.
Only BR model: Take out and empty the
coarse-dirt container.
Clean the outside of the unit with a damp
cloth soaked in a mild detergent
solution.
Clean squeegee and stripping blades,
check for wear and, if required, replace.
Check the brushes for wear and,
if required, replace.
Charging the battery.
Monthly
Check the battery terminals for oxidation
and, if required, lubricate with terminal
grease. Ensure that the connection
cables are secure.
Check that the automatic parking brake
functions.
Check the condition of the seals
between the dirty-water tank and cover
and, if required, replace.
If non-maintenance-free batteries are
used, check the acid concentration of
the cells.
Clean the brush tunnel.
(only BD model)
Annually
Have customer service conduct the
stipulated inspection.
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