Maintenance
DeLaval voluntary milking system VMS
94897201.pdf2007-12-18
Change of filter sock
The filter sock should be changed after
each VMS system cleaning. Recommended
cleaning interval is 3 times per day.
See the figure below.
Preparing the milking station for exchange
of milk filter unit is initiated by pressing a
button connected to the MRC.
1. Press in the filter exchange button. The
lamp in the button give a steady light if it is
OK to change filter. If not the lamp flashes.
The latter is the case if a milking station is
pumping milk or is in a cleaning process. If
so; wait until the process is completed. All
milking stations is now first purging milk to
tank and then closing the tank valve. The
system is now prepared for filter exchange.
2. Remove the locking nut and pull the
handle to remove the internal assembly.
3. Inspect the interior parts for cleanliness.
Clean the unit if required.
4. Pull the handle to remove the guiding rod
with filter from the spring.
5. Remove the old filter sock from the
guiding rod.
6. Thread a new filter sock on the guiding
rod and pull it up on the sleeve.
7. Insert the guiding rod with filter sock into
the spring.
8. Insert the assembly into the filter unit and
refit the locking nut.
9. Press the button again so it releases and
comes out.
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