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At every valve inspection, always replace all seal rings and relative o-rings between the liner
and head, between the head and liner spacer in the recirculation inlet area. Clean and dry
components and all relative housings inside the head before replacing.
Extract the outlet plates (1, fig. 105) and their respective guides (1, fig. 107) with their springs (1, fig. 106).
Check their conditions, replace if necessary and at the intervals necessary as indicated in Chapter 11 of the
Owner’s Manual.
Extract the valve housings and check the conditions of the various components. If necessary, make any
replacements (1, fig. 104).
GENERAL PUMP
A member of the Interpump Group
SMH SERIES
Ref 300894 Rev. B
05-22
