Data Value Unit
Tightening torques for dosing head
screws:
4.5 ... 5.0 Nm
13.3 Cleaning the diaphragm rupture indicator
WARNING!
Warning of unnoticed escaping of feed chemical
After triggering of the diaphragm rupture indicator, any feed
chemical residues can be blocked.
– After triggering of the diaphragm rupture indicator, clean
and test.
Personnel:
n
Technical personnel
1. First replace the liquid end diaphragm - see above!
2. Unscrew the diaphragm rupture indicator using a 15mm open-
ended spanner.
3. Clean the diaphragm rupture indicator with suitable liquid - if pos‐
sible using water (polysulphone material).
4. Test the connected diaphragm rupture indicator: Immerse the for‐
ward hemisphere completely in water, a diaphragm rupture must be
indicated in the continuous display.
ð
The continuous display indicates a diaphragm rupture.
5. Thoroughly dry the diaphragm rupture indicator.
ð
The continuous display no longer indicates a diaphragm rup‐
ture.
6. Screw the clean and dry diaphragm rupture indicator hand-tight and
liquid tight into the hole - without using tools
Tightening torques
Repairs
79
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