General Pump VK Repair Manual - Manual (Page 15)

GENERAL PUMP
A member of the Interpump Group
VK SERIES
Page 15
During assembly of the liners, take care not to disperse the valve seats (1) and the flat valves (2) as
indicated in fig. 41 as these, being positioned at stroke, could fall.
If the valve housings should become blocked on the head due to the forming of limestone or oxide,
they must be unblocked by inserting a special tool, part #F27508000, in the suction inlet,
operating as seen in fig. 42.