General Pump VF Repair Manual - Manual (Page 14)

GENERAL PUMP
A member of the Interpump Group
VF SERIES
For the correct axial positioning of the bushing, use the appropriate tool (p/n 27508300 valid
for VF12 type pumps, and p/n 27508500 valid for VF14 type pumps) as shown in
fig. 32 and 33.
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E) With the liner separated from the support, and with an opposite plastic pin, #3 as shown in
fig. 30, push out the H.P. (high pressure) packing, #4< by operating as in fig. 31.
At each disassembly, the HP packing, #4 fig. 31, must be replaced.
2.2.4 Assembly of the Plunger Unit - Supports - Seals
To reassemble the components, invert the operations paying attention to the sequences listed below; for
fastening torque values and phases, please refer to the values in paragraph 3.
A) Insert the upper bush into the liner.