General Pump MK Repair Manual - Manual (Page 29)

GENERAL PUMP
A member of the Interpump Group
MK SERIES
Page 29
Be sure that the O-ring and the anti-extrusion ring are perfectly fit into their seats. Insert the suction valve
unit together with the spacer (1, fig. 94). The valve unit must be fully inserted, as shown in 1, fig. 95.
Mount the O-ring, exploded view item 5 from Owner’s Manual (1, fig. 96) and the anti-extrusion ring, exploded
view item 15 from Owner’s Manual (2, fig. 96) on the delivery valve seat.
Insert the delivery valve unit (1, fig. 97). The valve unit must be fully inserted as shown in 1, fig. 98.