Buhler GAS 222.20 DH, Инструкции по сборке, установке и эксплуатации

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GAS 222.20 DH
6 Maintenance
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 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.
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.
DANGER Explosion hazard due to ignition of dust
When using the device in a dusty environment, routinely clean dust from all compon-
ents.
The ignition temperature resp. smouldering temperature of flammable dusts resp. dust
layers present must be considerably higher than the maximum surface temperature of
the device (observe applicable standards and statutory regulations).
If possible, take the electrical components which must be opened for repair to a dust-
free room. If unable to do so, prevent dust from entering the housing.
12 Bühler Technologies GmbH BE460045 ◦ 10/2019