Interpump General Pump EV Series - Assembly of the Head - Unit Valves

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GENERAL PUMP
A member of the Interpump Group
EV SERIES
Fig. 22
2.2.2 Assembly of The Head - Unit Valves
Pay particular attention to the conditions of the various components and replace them if necessary,
and at the intervals indicated in the “PREVENTIVE MAINTENANCE” table in chapter 11 of the
Owner’s Manual.
At every valve inspection, replace all O-rings and all anti-extrusion rings in the valve units.
Before repositioning the valve units, thoroughly clean and dry the relative seats in the head
as shown in (Fig. 21).
Fig. 21
To reassemble the various components, perform the operations listed above in reverse order to par. 2.2.1.
Reassemble the valve units (Fig. 22 and Fig. 22/a) to facilitate insertion of the valve guide in the seat, use a
hammer, acting on the whole circumference (Fig. 23).
Fig. 22/a
Ref 301038 Rev. A
07-20