General Pump MK Repair Manual - Manual (Page 30)

GENERAL PUMP
A member of the Interpump Group
MK SERIES
Page 30
Insert the anti-extrusion ring, exploded view item 16 in Owner’s Manual (1, fig. 99).
Pay particular attention when inserting the O-ring indicated in 1, fig. 101. We advise
to use the correct tool p/n 27516000 (for MK40A, MK45A and MK50A) or p/n 27516100
(for MK55A, MK60A and MK65A) in order to avoid cutting the O-ring during insertion.
Insert the O-ring, exploded view item 17 in Owner’s Manual, (1, fig. 100).