Maintenance
12
Hauser
6
Maintenance
Take all the necessary precautions in time to ensure the operational safety and reliability of the entire
measuring system.
WARNING
!
Device under voltage
Risk of electric shock!
•
Disconnect the device from the line voltage.
•
Secure the device from unintentional resetting.
NOTICE
Interfere with process and process controlling
•
When performing any work on the system, bear in mind any potential impact on the process control
system or on the process itself.
•
For your own safety, only use genuine accessories. With genuine parts, the function, accuracy and
reliability are also ensured after maintenance work.
6.1
Maintenance schedule
As the only wear part, the seal lip of the ribbed cover has to be replaced after an extended service life.
You know the seal lip has to be replaced if the delivery rate drops noticeably.
6.2
Replacing the seal lip
a0011378
Fig. 5: Exploded drawing of the pump head
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Ribbed cover
Seal
Valve guard
Valve springs
Thrust washer
O-ring
Connecting rod
Allen screws
Intermediate plate
Fillister-head screw
Connecting rod disk
Seal lip
Spacer