General Pump MW Repair Manual - Manual (Page 46)

GENERAL PUMP
A member of the Interpump Group
MW/S SERIES
Remove the upper inspection cover, unscrewing the 2 fixing screws (1, fig. 168).
Page 46
Manually turn the shaft in such a way to bring the 3 plungers to the upper dead center position. Insert the
buffering tool (#F27632500) between the plunger guide and the plunger (1, fig. 169).
Disassemble plungers unscrewing the fixing screws (1, fig 167). Remove the plunger from the seal support
and check that its surfaces do not present any scratches, signs of wear or cavitation.
Ref 300791 Rev.C
11-12