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10. Replace the valve unit
Attention!
When cleaning and/or exchanging the
valve unit, wear hand and eye protection
to avoid the risk of splashes and contami-
nation. Remaining liquid can run out.
If liquid has entered the valve unit proceed as
described below:
1. Unscrew the suction (1) bellows and the
adapter support (7).
2. Take off the upper part of the housing.
Carefully pull out the valve system and
replace it.
3. Reassemble the instrument in reverse
order and carry out leak test.
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