Bühler technologies P1.1, Installation And Operation Instructions Manual, Page: 17 / 37

P1.1, P1.1E
6 Maintenance
Maintenance work on the device must be carried out in a cooled state.
The following section describes repair, maintenance and conversion work that can also be carried out easily by you on site,
without the sample gas pump having to be sent to us.
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.
NOTICE
Please refer to the spare parts drawings attached when performing maintenance.
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.
CAUTION Tilting risk
Damage of the device
Secure the device against any sudden translocation during maintenance.
CAUTION Gas leakage
The sample gas pump should not be dismantled under pressure.
CAUTION Hot surface
Burning hazard
According to the product type and operation conditions, the temperature may exceed 50
°C during operation.
Depending on the conditions at the installation site it may be necessary to provide these
areas with appropriate warning signs.
Depending on the composition of the sample gas, it may be necessary to replace the in- and out-let valves from time to time.
If the valves are heavily contaminated, especially after a short time, consider installing a particle filter upstream the pump. This
increases the service life significantly.
The screws of the fastening ring should be re-tightened after 500 hours of operation with torque 3 Nm.
15 Bühler Technologies GmbH BE420020 ◦ 03/2020