MAINTENANCE
WARRANTY EXCLUSION
Service:
It is recommended to clean/change the strainer every six months or more often, depending on
application. Sealing elements are subject to wear, which depends on various operating para-
meters such as pressure, temperature, dirt content, etc. It is also recommended to change
sealings.
The guarantee shall be void if...:
...the installation and operating manual was not followed with respect to installation, initial
commissioning and maintenance.
...the unit was not operated properly and appropriately.
...the unit was operated when it was clearly defective.
...non-original spare parts or replacement parts were used.
...the unit was not operated within the permissible technical parameters.
...unauthorized constructional changes were made to the unit or if the unit has been
opened/disassembled by an unauthorized person.
Attention!
Before beginning maintenance work follow these steps:
1. Close ball valve
2. Depressurise the unit (push test button)
3. Cut off the power supply
!
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