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Troubleshooting / Remedy
Description of the individual components:
1 Screws
2 Liquid end
3 Diaphragm
4 End disc
5 End disc holder
6 Pump housing
7 Stroke adjustment knob
All delivery unit types
except 0220
Page 22
12.5
Replacement of the metering diaphragms
2
1
WARNING
• Protect yourself against the metering medium if it is a hazardous one!
• Depressurise the system!
Empty the delivery unit (turn the delivery unit upside down and let the metering medium drain;
rinse with a suitable medium; thoroughly rinse the liquid end if hazardous media have been
used!).
Adjust the stroke length to 0% stroke with pump in operation (the drive axis is then fixed).
Switch off the pump.
Remove the hydraulic connections from the pressure and suction side.
For pump type 0220 see the following page (has 4 holes at the diaphragm rim)!
2
5
4
3
3
4
6
7
6
ProMinent
®
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