Buhler GAS 222.30 Ex2, Installation And Operation Instructions Manual

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GAS 222.30 Ex2
6 Maintenance
– Damaged parts must be replaced immediately.
– Regularly check the function of the electrical protection.
During maintenance, remember:
– The equipment must be maintained by a professional familiar with the safety requirements and risks.
– Only perform maintenance work described in these operating and installation instructions.
– When performing maintenance of any type, observe the respective safety and operation regulations.
DANGER Danger to life and explosion during installation and maintenance
The unit must not be worked on (assembly, installation, maintenance) in explosive at-
mospheres.
DANGER Electrical voltage
Electrocution hazard.
a) Disconnect the device from power supply.
b) Make sure that the equipment cannot be reconnected to mains unintentionally.
c) The device must be opened by trained staff only.
d) Regard correct mains voltage.
DANGER Toxic, corrosive gases
The measuring gas led through the equipment can be hazardous when breathing or
touching it.
a) Check tightness of the measuring system before putting it into operation.
b) Take care that harmful gases are exhausted to a save place.
c) Before maintenance turn off the gas supply and make sure that it cannot be turned
on unintentionally.
d) Protect yourself during maintenance against toxic / corrosive gases. Use suitable pro-
tective equipment.
DANGER Dangerous electrostatic charge (explosion hazard)
Incendive electrostatic charges may occur when cleaning plastic housing parts and
decals (e.g. with a dry cloth or compressed air). The sparks this produces could ignite
flammable, explosive atmospheres.
Always clean plastic housing parts and decals
with a damp cloth !
WARNING Housing or component damage
Never exceed the maximum working pressure and temperature range of the drive.
CAUTION Hot surface
Risk of burns
Depending on the operating parameters, the housing temperature may reach over 100
°C during operation.
Allow the unit to cool down before performing maintenance.
CAUTION Excess pressure
The unit mustn’t be pressurised or energised when opened.
If necessary, close the gas supply and ensure a safe pressure on the process end before
opening.
13 Bühler Technologies GmbH BE460064 ◦ 08/2019