-
Separate the head and the spacer for the liners from the
pump casing as shown in Fig. 19 and Fig. 20.
-
Take out the M6x75 screws fastening the liners to the head
as shown in Fig. 21 and proceed as shown in Fig. 22.
Fig. 20
-
Remove the complete valve assemblies as indicated in
Fig. 23.
Fig. 21
If the valve seats are blocked on the head due
to the formation of scale or oxide, they must be
freed by inserting the tool (code 27508000) into
the suction hole and operating as in Fig. 24.
1
Fig. 22
23
Fig. 23
Fig. 24
Fig. 25