CleanFit P CPA 472
4 Operation
18
Hauser
»Maintenance« process
•
Release stop bolt lock catch.
•
Pull lifting tube completely into assembly (in »Maintenance« position, see Fig. 3.7)
•
Arrest electrode holder in this position with the stop bolt lock.
•
Carry out maintenance work (see Chapter 5)
4.3
CPA 472 in pneumatic mode
Operating the pneumatic version depends on the control fitted. Refer to the control ope-
rating manual for instructions.
It is not possible to lock pneumatic assembly in »Measurement« position. The pneu-
matic system maintains the back-pressure to the process pressure.
"
Achtung!
•
During maintenance work (e.g. installing and removing electrode), lock the assembly
in maintenance position using the stop bolt lock.
•
During the automatic rinse process, do not arrest the lifting tube with the stop bolt lock,
otherwise the assembly can no longer move automatically to the measurement
position.
•
If a maintenance switch is fitted on the measuring transmitter, set it to »Maintenance«
or »Service«.
