General Pump MW Repair Manual - Manual (Page 47)

GENERAL PUMP
A member of the Interpump Group
MW/S SERIES
Page 47
Extract the seal support unit and the buffering tool.
Remove the seal support bottom O-ring should it remain inside the pump casing (1, fig. 171).
Remove the spray rings from the plunger guides (1, fig. 172).
Turning the shaft, have the plunger guide move forward so that the buffer, moving ahead, can expel the seal
support and the entire plunger unit (1, fig. 170).
Ref 300791 Rev.C
11-12