VERDER JEC PUMPS JRZS Series Operation And Maintenance Manual page 11

Hygienic twin screw pumps
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Release wrench bolts on the screw case to be separated from
gearbox.
If it is stuck tight, tap alternately on the rim of the screw case
with soft hammer.
Slide along the stud bolt carefully and pull out the screw case
from gearbox.
If you want replace the seal ring only, you can easily dismantle and pull them out from
screw case just after removing screws without dismantling screw case and replace new
one pushed into the screw case.
The seal ring for rotating parts can be easily removed by hand
from screw.
Pull out the seal ring from screw and replace the new one.
Ver. JRZSM-1807
Fig. 5
Fig. 6
Fig. 7
Fig. 8
Fig. 9
10

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