Pump Head Size 120 L/H - Ecolab EcoAdd Manuel D'utilisation

Servicing
11.9

Pump head size 120 l/h

2
1
Fig. 95: Replacement of diaphragm and pump head
A Adhesive label: Tightening torque of metering head
screws
1 Metering head screws (4 off)
2 Pump head
3 Diaphragms
4 Intermediate plate.
Note the following points during assembly:
– Fit new protective diaphragm in the correct positions.
– Place in the intermediate plate in the correct position.
– Turn the adapter plate clockwise until the diaphragm rupture drain faces
down.
– Mount the pump head and pay attention to the direction of flow
– Hand-tighten the pump head screws and then tighten them cross-wise.
– Prior to start-up and after 24 hours of operation, the metering head
screws must be diagonally tightened diagonally.
– It is not permitted to exceed the tightening torque to avoid damage to
the thread. If the tightening torque is undershot, this can result in leaks.
Tightening torques, see
on page 185
1. Loosen the metering head screws (pos. 1).
2. Remove the pump head (pos. 2).
3. Take out diaphragm (3) and intermediate plate (4).
4. Unfasten retaining bolts for the adapter plate (5).
5. Remove adapter plate (6a or 6b).
6. Remove the protective diaphragm (8) from the diaphragm extension (7).
7. Remove the diaphragm extension (7) from the plunger.
8. Reverse this procedure for re-installation.
417102276 Rev. 5-02.2020
6a
4
3
5
A
Ä Chapter 14.6 'Tightening torques'
166
6b
8
7
5 Retaining bolts for the adapter plate (x4)
6a Adapter plate without sensor
6b Adapter plate with sensor
7 Diaphragm extension
8 Protective membrane