Kärcher SB MB, User Manual

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56 English
Maintenance work before and after the frost
period
1. Before the frost period begins, carry out mainte-
nance work "annually before the frost period be-
gins", from the section "Maintenance and care".
2. To maintain frost protection, carry out the work listed
below.
Note
Maintenance work that is not carried out on time and in
a professional manner will result in the loss of the war-
ranty in the event of frost damage.
1
Washing station heater stop valve
1
Restrictor with sieve (marked red), 1-tool version
1
Frost protection pump filter
Power foamClean the nozzle
1. Unscrew the front part of the nozzle.
1
Nozzle front part
2
Filter
3
Nozzle holder
2. Remove and clean the filter.
3. Install the filter.
4. Screw the front part of the nozzle on to the nozzle
holder and tighten it.
Shutting down
1. Turn the main switch to "0/OFF".
Shutdown in the case of potential frost
1. Leave the main switch at position “1/ON”.
2. Lock the operating time at the controller.
3. Refill the fuel tank.
Shutting down
If there is no danger of frost during the shutdown period:
1. Shut off the water inlet.
2. Disconnect the power supply.
Shutting down during frost
If there is a risk of frost when shutting down, the follow-
ing additional steps must be carried out.
1. Unscrew the water supply hose and the high-pres-
sure hose.
2. Remove the RO membrane and store it frost-free.
3. Empty all float tanks, remove the hoses and drain
the water.
4. Empty the permeate buffer tank.
5. Disconnect the water pipe between the base ex-
changer and the hot water float tank.
6. Flush the system (without base exchanger) with
frost protection solution.
7. Rinse the base exchanger with concentrated salt
solution.
8. Unscrew both hoses under the flow-through kettle
and let the water drain off.
9. Blow out all water-bearing parts with oil-free com-
pressed air.
Note
During longer breaks in operation, the system, with the
exception of the base exchanger, must be rinsed with
frost protection solution to protect it from corrosion
In case of doubt, have the maintenance performed by
Customer Service.
Time & date Activity Performed By whom
before the frost period Cleaning the filter in the Power foam noz-
zle (option)
Remove and clean the filter (see "Cleaning the Power foam nozzle filter"). Determine
the following cleaning intervals according to experience. Operator
Several times a day
under frosty condi-
tions Check the washing brushes Check the washing brushes for dirt and ice and lock the washing brush if necessary. Operator
daily under frost con-
ditions Clean the frost protection pump filter Clean the filter and insert it again. Operator
Check the hot air blowers Are the hot air blowers in operation (also with ABS fuel tank, option)? Operator
Check the recirculation fan Check the function. Operator
daily at first, later ac-
cording to experience Check the fuel tank filling level Is the heating oil supply sufficient until the next inspection? Take into account in-
creased consumption due to frost protection devices. Lack of fuel leads to failure and
damage to the system. Operator
weekly during frost Check heating ABS fuel oil tank (option) Below 3 °C, check whether the trace heating of the fuel oil line between the heating oil
tank and SB MB is warm. Operator
monthly or after 200
operating hours in the
event of frost, more
frequently if required Check the frost protection water volume in
the frost protection circuit Target value: approx. 0.5 l/min per washing tool.
Water volume greater: Replace the node piece in the high-pressure gun.
몇 WARNING
Risk of injury, risk of damage
The high-pressure gun can move uncontrollably and cause injuries or damage if the
frost protection water volume is too high.
Be sure to replace the node piece in the high-pressure gun if the frost protection water
quantity is too high.
Water quantity smaller: Clean the frost protection pump filter, clean the sieve in the
throttle, flush the pipe, check the direction of rotation of the pump.
Operator