Procedure
4. Align the new pumphead with the pump drive shaft and slide into position on the pump housing.
5. Rotate the pumphead in a clockwise direction by approximately 15° to engage the retaining clamps.
6. Tighten the retaining clamps by hand, to secure the new pumphead into position.
7. Reconnect the electrical power to the pump, press start and run the pumphead for a few revolutions.
8. Stop the pump and isolate it from the power supply, then tighten the clamps further if necessary.
9. Check the retaining clamps are tight
10. Re-connect the input and output connections to the pumphead.
11. Reset the volume or hours counters to begin monitoring life of the replacement pumphead so that it
can be changed prior to failure.
NOTICE
The pumphead retaining clamps are not designed to be loosened or tightened with a tool. Using a tool may
result in breakage. Always tighten or loosen the clamps by hand.
17.3.3 Replacement of pumphead (Model qdos 20, 60, 120, CWT -
All variants)
!
WARNING
There can be harmful chemicals inside the pumphead that can cause serious injury or damage
to equipment if spilled. Wear PPE and follow your organisations procedures when undertaking
any task in this section.
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