Commissioning And Operation; Maintenance And Repair; Maintenance Of The Actuator; Maintenance Of Ball Valve - Watts bar PMK2 Translation Of The Original Operating Manual

6. Commissioning and
operation
For information on commissioning and op-
eration of the actuator, refer to the manu-
facturer documentation supplied with the
actuator.
7. Maintenance and
repair
The automatic valve is a maintenance-free
device.
In terms of operational safety, however, it is
recommended to check them for function
and to switch at least every three months
but no later than after 50,000 switching cy-
cles; and in case of difficult operating condi-
tions even more often.
Do not use harsh detergents or abrasives to
clean the housings.
7.1

Maintenance of the actuator

For information on maintenance of the actu-
ator, refer to the manufacturer documenta-
tion supplied with the actuator.
7.2

Maintenance of ball valve

Repair and maintenance of the seal and
wear parts of the butterfly valve must not be
carried out because it is about high-pres-
sure glued ball valve.
22
NOTE
We recommend that you have the repair
carried out by the company bar GmbH.
We will be pleased to offer you a corre-
sponding servicing, maintenance or re-
pair. Please contact the company bar
GmbH for this.
8.

Troubleshooting

WARNING
Observe the safety instructions
There is danger to life if you do not ob-
serve safety instructions.
• When eliminating the faults, always
observe the safety instructions from
„Chapter 8. Troubleshooting" .
NOTE
Spare parts are to be ordered with all in-
formation on the type plate and the serial
number. It is allowed to mount only origi-
nal parts of bar GmbH.
PMK2/EMK2-IM-DE-B-EN-01-23 Rev.0