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3. Care and Maintenance
Monthly or as Required
••
••
• Check oil level.
If the oil is milky (water in oil), immediately contact
the customer service.
••
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• Clean the strainer at the water connection.
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• Clean filter at the cleaning agent suction hose.
Yearly or after 500 operating hours
••
••
• Change the oil.
- Unscrew the oil inspection glass. Tip the unit
and drain out oil.
- Dispose of old oil at authorized collection points
(environmental protection).
- Slowly fill with new oil.
- Allow air bubbles to escape.
- For oil quantity and type see technical data.
Protection against freezing
••
••
• Sub-zero temperatures will severely damage the
appliance if it is not completely drained of water.
The appliance should be kept in a heated room
during the winter. Otherwise, it is recommended
to drain the appliance or flush it through with an
anti-freeze solution.
Draining the appliance
- Unscrew the water supply hose and the high-
pressure hose from the appliance.
- Let the appliance run until the pump and pipes
have drained.
Anti-freeze
If the high-pressure hose is to be out of operation
for a long time, flush an anti-freeze solution throu-
gh the appliance. This also provides a certain de-
gree of protection against corrosion.
High-pressure hose
••
••
• High-pressure hoses must not be kinked, twisted,
crushed or damaged in any other way. Damaged
high-pressure hoses may burst and are therefore
dangerous and should be replaced without delay.
Use therefore, only a genuine high-pressure hose.
A high-pressure hose should only be repaired by
either the manufacturer, supplier or an expert.
Disconnect the appliance from the power mains before all service or repair work.
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