Magnum Venus Plastech UltraMAX VHPC-4200 Series - Manual (Page 22)

VHPC-4200 Metering Pump Manual
Rev. 05/2012 Page | 22
15. Screw the Seal Retainer (50530-1) onto the Piston Body (50440-1), hand tight.
16. Hold the Piston Rod (50360-1) with a wrench on the wrench flats, and tighten the
Seal Retainer (50530-1) with another wrench.
17. Insert the Piston Rod assembly into the Cylinder (50940-1) screwing the Outlet
Body (50730-1) onto the cylinder threads.
18. Align the Outlet Body (50730-1) so the outlet port is one hex plate to the left of
the inlet port of the Inlet Body (51050-1) See Fig. 4.1
NOTE
Screw the Outlet body down until you feel the O-Ring start to compress.
PISTON ROD SPRING
7/32” SS BALL
PISTON BODY
PISTON SEAL
SEAL RETAINER
NOTE: PISTON SEAL
ORIENTATION