Hkoenig STC60 Manuel D'instructions page 8

2. Open the dust-cup as showing in the picture.
MAINTENANCE
1. The filter should often be washed when it is dirty.
2. When the Plastic-filter is full of dust, it should be washed.
*Attention: Don't wash the filter in the washing machine or
dry it with electrical heater, please refix it after drying the
filter in the air.
3. Don't clean the outer-shell of vacuum cleaner in petrol
oil-like liquid. Please rub it with water and soft soap liquid.
*Attention:
(1).Don't clean the machine with the cloth full of water.
Don't let the water flow into the vacuum cleaner.
(2).Use only as described in manual. Only use
manufacturers recommended attachments.
(3). This appliance is intended to normal household use.
This appliance is not intended for use by persons (including