Replacing The Diaphragm And Pump Head - ECOLAB ELADOS EMP KKS Serie Bedienungsanleitung

9.3

Replacing the diaphragm and pump head

Fig. 9.3
Before opening pump head:
ATTENTION
Loosen the metering head screws (pos. 2).
Take off the pump head (pos. 1) absolute straightly.
ATTENTION
The ceramics cylinder can be destroyed when being set on edges!
Take the ceramics piston (pos. 3) sideways out of the coupling of the diaphragm unit
(pos. 4).
Un-screw diaphragm unit (pos. 4).
Remove intermediate plate (pos. 6).
Exchange bellows (pos. 5).
Do not overdraw the diaphragm unit (pos. 4) when tightening, screw gently until stop.
The leakage connection of the intermediate plate (pos. 6) must be directed downwards.
Re-insert the piston (pos. 3).
Attach cylinder carefully on the pump head.
Hand-screw pump head screws
Screw-down cross-over pump head screws
NOTE
ATTENTION
417101338_EMPKKS.doc
empty connecting lines,
rinse the pump head.
Correct tightening torque: 3 to 4 Nm
Check metering-head bolt tightening torque after 24 hours.
Screw down the pump head absolute straightly. Tighten the metering head evenly
diagonally.
Pos.
1
2
3
4
5
6
57
Description
Pump head
Metering head screw
Ceramics piston
Diaphragm unit
Bellows
Intermediate plate
Rev: 08-01.10