General Pump MK Repair Manual - Manual (Page 40)

GENERAL PUMP
A member of the Interpump Group
MK SERIES
Page 40
Be sure that the liner-support unit is correctly positioned in its seat (1, fig. 141).
Assemble the liner’s front O-ring (1, fig. 142) and the O-ring of the recirculation hole (1, fig. 143).
Insert the O-ring inside the pump case (1, fig. 139), followed by the previously assembled liner-packing
support unit (complete with the O-ring), (1, fig. 140).