General Pump VK Repair Manual - Manual (Page 13)

GENERAL PUMP
A member of the Interpump Group
VK SERIES
2.1.7 Version Change - Application / Removal of the Reduction Gear Unit
To modify the version applying a reduction gear unit where not provided, the shaft oil seal must be removed
(1. fig. 33) and the reduction gear box reference pin Ø 8 must be inserted on the casing (1, fig. 33). Then
proceed with operations as specified in point 2.1.6.
To modify the version removing the reduction gear unit where provided, introduce a shaft oil seal ring using
tool #F27904800 (1, fig. 33).
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2.2 Repairing Hydraulic Parts
2.2.1 Dismantling the Head - Liner - Valves
The head does not require any routing maintenance. Operations are limited to inspection or replacement
valves, if necessary. Proceed as follows to extract valve groups:
Failure to perform operations described in section 2.1.7 compromises the functionality of the pump
and operator safety.
A) Unscrew the head liner M8x100 fixing screws without removing them, as indicated in fig. 34, in
such a way to free them.