General Pump KFM Repair Manual - Manual (Page 9)

Page 9
GENERAL PUMP
A member of the Interpump Group
KFM SERIES
2.2 Fluid End Repair
2.2.1 Disassembly of the head - valve units
Service operations are limited to valve inspection or replacement if needed.
To extract the valve units proceed as follows:
A) Unfasten the 7 M12 x 35 valve cover screws, and remove the cover (fig. 12).
B) Extract the valve plugs using a slide hammer M10 (fig, 12).
C) Extract the valve guides using the same slide hammer extractor used for the valve covers.
(pos. 4, fig. 13) and the specific components of the valve group.
D) Extract the suction/delivery valve seats using the tool p/n F27913300 (see construction drawings in
paragraph 4.1) as shown in fig. 12a and fig. 13b.
Before working as explained in point “D”, make sure that the plunger is located at bottom
dead center.
fig. 13 fig. 13a fig. 13b