Replacement Of Diaphragm And Pump Head - Ecolab EcoAdd Manuel D'utilisation

11.6

Replacement of diaphragm and pump head

Personnel:
Protective equipment:
CAUTION!
Diaphragm:
– Before changing the diaphragm, it is essential to change the pump to
servicing mode.
of the pump - [Pump service]' on page 157
– Only tighten diaphragms by hand and do not use a tool!
The service life of the diaphragm depends on the following:
– back pressure
– operating temperature
– and metering medium
We recommend that you check the diaphragm more frequently in extreme
operating conditions and if metering abrasive substances.
NOTICE!
It is essential that the tightening torques given below are observed, firstly to
ensure the leak-tightness of the system and secondly to ensure the integrity
of the thread.
The tightening torques of the metering head screws are given on an
adhesive label that is affixed to the pump head.
Tightening torque of the metering head screws:
Pump head size
Tightening torque
n Mechanic
n Service personnel
n Specialist
n Chemical-resistant protective gloves
n Protective eyewear
n Safety shoes
Ä Chapter 11.1 'Maintenance mode - Service position
5 l/h and 11 l/h
3,75 ± 0.25 Nm
163
5 l/h and 11 l/h
6 ± 0.25 Nm
417102276 Rev. 5-02.2020
Servicing
5 l/h and 11 l/h
6 ± 0.25 Nm