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Magnum Venus Plastech UltraMAX VHPC-4200 Series User Manual

Page 22

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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