General Pump VK Repair Manual - Manual (Page 16)

GENERAL PUMP
A member of the Interpump Group
VK SERIES
Page 16
At every valve inspection, always replace all seal rings and relative front 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.
E) Extract the valve housings (1) as indicated in fig. 43. Check the conditions of the various components and
replace if necessary.
F) Extract the outlet plates (3) and their respective guides (4) with their springs, as indicated in fig. 44-45,
check their conditions, replace if necessary and at the intervals indicated in section 11 (fig. 17) of the
Owner’s Manual.
2.2.2 Reassembling the Head - Liners - Valves
To reassemble the various components, follow the reverse operations listed above, taking particular care
when assembling the liner spacer: the two raw fusion exhausts present on one of the two
sides on the component must be turned toward the lower part of the casing (pump bracket
side). Heads - liners: proceed with assembly and calibration of the head fixing screws and then with
calibration of the liner fixing screws. For the values of the tightening torques and sequences follow the
instructions contained in section 3.