Maintenance And Care - Kärcher WT 4 Originalbetriebsanleitung

Clean the filter gasket
Regularly remove the filter gasket from the water connection and
rinse under running water.
Change the battery
Prior to each irrigation season or of the signal lamp glows red.
Remove the top part of the casing.
Insert a new 9V battery (type 6LR61 / Alkaline).
Dispose of the used battery according to the local provisions.
Note: The safety unit of the irrigation device will automatically
close the valve if the battery is depleted.
Close the casing and ensure a proper fit.
The appliance is maintenance-free.
Completely drain all water from the irrigation device.
Remove the battery.
Store the irrigation device at a dry and frost-free location.
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Maintenance and care

Battery
Maintenance
Storage