• First free the filter from coarse dirt by lightly tapping it out.
• Rinse the filter carefully with a not too hard water jet from the inside to the outside. For stubborn dirt,
it is recommended to soak the filter in a mild soap-based cleaning bath.
• Shake the excess water out of the filter and let it dry out completely in the air. When drying with
compressed air, make sure there is sufficient distance, as too hard an air flow can damage the filter
material.
NOTICE
If the function of the filter is restricted even after the cleaning process (clogged, oily, greasy or damaged), it
must be replaced. It should be replaced after one year at the latest.
Fig. 11 Check Rotary Valve
8.4.3
Check rotary valve
NOTICE
The sliders are installed behind the air guide bonnet. Undo the screws and remove the cover.
Only use original spare parts and lubricants from.
The sliders are installed behind the air control bonnet. Loosen the screws and remove the bonnet.
The side cover underneath is fastened with 6 hexagon socket screws. Loosen these and put them aside.
To remove the side cover, 2 of the previously loosened screws must be screwed evenly into the threaded
holes provided for this purpose in the side cover. The side cover pushes off the housing.
Prematic AG, Märwilerstrasse 43, 9556 Affeltrangen www.prematic.ch
Always allow polyester filters to dry after cleaning with water. - Danger of adhe-
sion or mould!
Water in the pump leads to contamination of the oil, and there is also a risk of
corrosion!
The minimum valve widths must be observed, otherwise the valves may break
and damage the pump
MAINTENANCE, SERVICING AND DISMANTLING
www.elmorietschle.com © Gardner Denver Schopfheim GmbH
Tel. 071 918 60 60, Mail: v-g@prematic.ch
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