General Pump MK Repair Manual - Manual (Page 25)

GENERAL PUMP
A member of the Interpump Group
MK SERIES
Page 25
Extract the delivery valve unit using a slide hammer applied to the M10 hole of the valve guide (1, fig. 82)
If the extraction of the delivery valve unit is particularly difficult (for ex. due to
incrustations caused by prolonged pump inactivity) use the extraction tool,
p/n 27516400 (for MK40A, MK45A or MK50A, or p/n 27516500 (for MK55A, MK60A and
MK65A).
Unfaten the valve guide spacer using an 8 mm allen wrench (1, fig. 83).
Remove the suction valve unit using a slide hammer applied to the M10 hole of the valve guide (1, fig. 84).