General Pump VK Repair Manual - Manual (Page 19)

GENERAL PUMP
A member of the Interpump Group
VK SERIES
2.2.4 Reassembling the Plunger Unit - Supports - Seals
To reassemble the various components, reverse the operations paying special attention to the various
sequences listed below. For tightening torque values and sequences, follow the instructions contained in
Chapter 3.
A) Insert the upper bushing in the liner.
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B) Insert the HP (high pressure) packing. Given the slight interference between the seal and the liner, use
the special tools (1) #F27508400 and F27365300 as indicated in fig. 56 and 57 to prevent damage.
For proper axial positioning of the bushing, use the special tool #F27508300 valid for pump
type VK-VF12 and #F27508500 valid for VK-VF14 as indicated in fig. 54 and 55.