Ecolab EcoPro Instrucciones De Servicio página 165

Pump head 5 l/h and 11 l/h
5
3
2
1
A
Fig. 23: Replacing the pump head, diaphragm and protective diaphragm
Cover plate
1
Pump head screws (4 pcs)
2
Pump head
3
Suction valve
4
Pressure valve
5
Diaphragm
6
Intermediate plate
7
1.
Unscrew the suction and pressure valve ( Fig. 23 ,
2.
Remove the venting screw
3.
Remove the cover plate
4.
Loosen the pump head screws
5.
Remove the pump head
6.
Unscrew and remove the diaphragm
7.
Take out the intermediate plate
8.
Remove the protective diaphragm from the plunger
9.
Fit the new protective diaphragm in the correct position.
10. Place the intermediate plate so the venting outlet
11. Screw in the new diaphragm and tighten by hand.
12. Place the pump head so the venting outlet
13. Tighten the pump head screws by hand and tighten with a torque wrench.
14. Replace the cover plate.
15. Replace the venting screw (only if changing the pump head).
16. Suction and pressure valve correctly (
correctly' on page 62 ) and tighten with a torque wrench.
8
7
6
10
9
11
4
(only if changing the pump head).
9
on the metering head.
1
and remove.
2
.
3
6
.
7
Ä
63
Protective diaphragm
8
Bleed screw
9
Diaphragm rupture drain
10
Venting outlet
11
Adhesive label: Tightening torques for pump head
A
screws
and ).
4 5
.
.
8
is pointing downwards.
10
is pointing downwards.
11
'Install the suction/pressure valve
MAN046879 Rev. 12-12.2023
Maintenance