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With separate HP seals support and a special pin (3, fig. 115), make the H.P. (high pressure) packing come
out (4, fig. 116) finally extract the head ring (fig. 117).
2.2.4 Assembling the Plunger Unit - Supports - Seals
To reassemble the components, invert the operations described above, paying attention to the sequences
listed below; for the fastening torque values and phases, observe the instructions given in Section 3 “Screw
Tightening Calibration”.
- Insert the seal into the liner (1, fig. 118).
GENERAL PUMP
A member of the Interpump Group
SMH SERIES
fig. 115
fig. 116
fig. 117
At each disassembly, the HP packing (4, Fig. 116) must be replaced.
fig. 118
Ref 300894 Rev. B
05-22