7 Operation and control
This chapter contains information on starting up and shutting down the valve.
It is addressed to the personnel that operate the valve.
INFO During
every start-up, observe the chapter
2 Safety
of this Operating In-
structions.
7.1 Start-up
7.2 Monitoring operation
Dangerous situations during operation can be avoided by safety-conscious and proac-
tive behaviour of the personnel.
For operation, the following principles apply:
●
Monitor the valve during the operation.
●
Safety
devices
must not be changed, removed or taken out of service. Check all
safety devices at regular intervals.
●
All guards and hoods must be mounted as intended.
●
The place of installation of the valve must be adequately ventilated at all times.
●
Structural alterations of the valve are not permitted. Immediately report any changes
on the valve to the person responsible.
●
Always keep danger zones clear. Do not leave any objects in the danger zone. Only
allow persons to enter the danger zone when the machine is de-energized.
●
Regularly check that all emergency stop devices are working correctly.
7.3 Shutdown
The following principles apply for shutdown:
●
Switch off the compr
essed air.
●
Switch off the valve.
●
Padlock the main switch (if tted) in the off position to prevent it from being switch-
ed back on. The key to the padlock must be deposited with the person responsible
until the machine is restarted.
●
In case of longer shut-downs, observe the storage conditions, see
4.2 Storage
.
7.1 Start-up - 43 / 104
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