General Pump HTCK4050S - Manual (Page 12)

GENERAL PUMP
A member of the Interpump Group
HTCK4050S
- Disassemble the suction and outlet valve units, screwing a sufficiently long M10 screw in such a way
as to be able to reach the valve plate and extract the valve guide from the valve seat (fig. 17, 1).
2.2.2 REASSEMBLING THE HEAD - VALVE UNITS
Pay particular attention to the conditions of the various components and replace if necessary, and at
intervals indicated in the ‘PREVENTIVE MAINTENANCE” on the specification sheet.
At every valve inspection, replace all O-rings and all anti-extrusion rings both in the valve
groups and on the valve plugs.
Before repositioning the valve unit, thoroughly clean and dry the relative seats in the head as shown
in fig. 18.
Page 12 Ref 300934 Rev.A
09-13