1. First replace the liquid end diaphragm - see above!
2. Unscrew the diaphragm rupture indicator using an SW 14 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: fully immerse the
tapered section at the front in water.
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 into the hole
until hand-tight and liquid-tight - without using tools!
Repairs
72
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