TapFlo Sanitary Series, Руководство Iom

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3. MAINTENANCE
Tapflo sanitary pump series
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Fig. 3.8.1
When putting the air valve [61] into the centre block
[12], apply some water or alcohol on the O-rings to
provide smooth insertion of the air valve.
It is recommended to use a pressing device for this
operation.
Fig. 3.8.2
When there is need to replace the diaphragm pin screw
[1652], while screwing it into the diaphragm [15] make
sure the pin screw goes all the way.
Fig. 3.8.3
When screwing in the diaphragms [15] on the shaft [16],
the holes in the diaphragms must align with the holes in
the centre block [12]. Sometimes it is necessary to turn
the diaphragm back a little bit in order to align the holes.
Fig. 3.8.4
When fastening the domed nuts, remember to do it
according to the tightening procedure and with the
appropriate torque.
NOTE! Keep in mind to periodically retighten pins
crew’s nuts.
Fig. 3.8.5
When fastening the tri-clamps apply some FDA grade
lubricate on the thread.
3.8.1. Test run
We recommend you to conduct a test run of the pump before installing it in the system, so
no liquid gets wasted if the pump leaks or perhaps does not start accordingly to wrong
assembly of the pump.
After a few weeks of operation retighten the nuts with appropriate torque.