ECOLAB EMP KKS E60 Bedienungsanleitung Seite 243

11 Maintenance
Personnel:
CAUTION!
Prior to repair and maintenance work and metering of dangerous media,
always rinse the metering head, relieve the pressure pipe and wear protective
clothing (protective goggles, gloves and apron).
Electronics repairs must only be performed by trained electricians, following the safety
regulations of the professional association VB G 4 and ZH 1/11)!
CAUTION!
When opening the covers or removing parts, except when this is possible
without tools, voltage-carrying parts may be exposed. Connection points may
also be under live voltages.
Before calibration, maintenance, repairs or replacement of parts, the device must be
disconnected from all voltage sources if it is necessary to open up the device.
NOTICE!
The maintenance interval is half-yearly. Shorter intervals are recommended in
the event of heavy loads (e.g. continuous use).
The following inspections are recommended:
1. Suction pipes and pressure pipes for leak-free connections.
2. Suction valve and pressure valve (
und Druckventil' on page 108, Fig. 86) for dirt and impermeability.
3. Discharge connection (Fig. 3) on pump head (for diaphragm breakage).
4. Correct metering.
5. Union nut (
Fig. 9 und
6. Metering head screws (
on page 110, Fig. 87 (stable seat, 3 - 4 Nm).
NOTICE!
The life of the diaphragm depends on the:
backpressure, operating temperature and metering medium.
It is recommended to inspect the diaphragm more frequently in extreme
operating conditions or if abrasive substances are metered.
n Qualified electrician
n Mechanic
n Service personnel
n Specialist
Ä Chapter 7.1.2 'Connecting the suction line and return line' on page 35,
Ä Chapter 7.1.3 'Connection of pressure line' on page 36, Fig. 10).
Ä Chapter 11.2 'Replacing the diaphragm and pump head'
Ä Chapter 11.1 'Austausch von Saug- / Rücklauf-
107
Maintenance
417101442 Rev. 12-02.2019