15.1 Replacing pump hose
User qualification: Technical personnel and service - see
Ä ‘Qualification
of personnel’ on page 12
WARNING!
The rotating rotor may catch and trap body parts.
– Only replace hose as outlined in the instructions
below.
The order no. (part number) of the appropriate spare
parts kit can be found at the end of the ‘Service’ menu,
for example.
Fig. 36
n Ensure that the system is at atmospheric pressure.
n Adhere to the material safety data sheet for the feed chemical.
n Prevent the escape of feed chemical.
n If necessary take protective measures.
1.
Press
[STOP/START]
to bring the pump to a stop (manually).
2. Empty the liquid end (turn the liquid end upside down and allow the
feed chemical to run out; flush out with a suitable medium; flush the
liquid end thoroughly when using hazardous feed chemicals!).
3.
Go to the
‘Hose replacement’
menu.
ð
‘Go to change position?’
appears.
WARNING!
The rotating rotor may catch and trap body parts.
– Only take off bearing cover once the pump prompts
you to do so.
–
Refit bearing cover once prompted to do so by the
pump.
4. Confirm the question with
‘Yes’
.
ð
The rotor turns slowly and the following appears:
‘ Please wait...’
.
The rotor stops and
‘Please remove cover and take out the
Rotor!’
appears (the corresponding rotor half flashes in the ani‐
mation).
Repair
86
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