Bertolini 74.1030.97.3, Руководство по эксплуатации, техническому обслуживанию и ремонту

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10.4 Replacement of the suction and delivery valves
•
Remove the M8 screws that fasten the sleeve and remove this latter, taking care to
prevent the internal components from dropping.
10.4 A) Suction valves
–
Remove the plates, the springs and the spring guides from the sleeves (keep
the components of the three pumping elements separate, if the used parts are
going to be re-assembled).
–
Inspect the contact surfaces between plate and valve housing. Replace the
components if they are excessively worn.
Axial gasket
Plate
Spring
Spring guide
O-Ring
Sleeve