Install the high-pressure cylinder
1. Lubricate the o-ring with o-ring lube and place it in
the groove of the high-pressure cylinder.
2. Slide the high-pressure cylinder over the plunger as-
sembly and seat it against the seal carrier. Position
the cylinders with weep holes facing downward.
Note: A small amount of force may be needed to
seat the cylinder against the seal carrier.
Repeat for the remaining high-pressure cylinders.
Assemble the inlet poppet
1. Place the inlet poppet spring over the shouldered
side of the inlet poppet.
2. Apply pressure to the spring and rotate counter
-
clockwise until it snaps into place. Be sure the spring
is firmly attached.
Repeat for remaining inlet poppets.
50 | M-416 ©FlowInternationalCorporation
HYPLEX PRIME PUMP
Maintenance & Service Manual