Hf series – General Pump HF Repair Manual User Manual
Page 9
GENERAL PUMP
A member of the Interpump Group
HF SERIES
Page 9
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, and in any case within the
intervals indicated in the table in fig. 14, Chapter 11 of the Owner’s Manual. The valve units are assembled
inside the head in a vertical position.
For their extraction proceed as follows:
Unfasten the 8 M14 x 40 valve cover screws (fig. 12); using a slide hammer p/n F26019400 extract:
A) the valve plugs (fig 13);
B) the outlet valve units (fig. 14);
C) the valve bushings (fig. 15), also using the tool #F27513600;
D) the inlet valve units (fig 16)
Ref 300623 Rev.A
01-12
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