Flow HYPLEX - Installation and Reassembly

Installation and reassembly
Assemble the check valve
1. Insert the new outlet poppet into the new outlet
poppet guide.
Note: Install poppet into the outlet poppet guide as
shown, with the radiused back of the outlet poppet
going in first. The counterbore in the outlet poppet
is visible after installation
2. Place the new outlet poppet spring around the
guide. The spring should be loose on the guide.
3. Place the assembly into the outlet cage along with
the outlet poppet seat.
4. Hold the outlet cage assembly (threaded end of the
outlet cage facing up), so that the installed compo
-
nents will not fall out. Apply a thin film of Blue Lu
-
bricant to the threads of the outlet cage.
5. Carefully thread the check valve body onto the
outlet cage assembly.
6. Secure the check valve body in the rebuild clamp
with the inlet face downward.
7. Secure the rebuild clamp in a vise. Torque the outlet
cage to 30 ft-lb (41 N-m).
Repeat Steps 1–7 for the remaining check valves.
Assemble the end cap
1. Lightly lubricate the check valve o-ring with o-ring
lube and install it into the groove on the check valve
body
2. Lightly lubricate the end cap o-ring with o-ring lube
and install it into the groove on the inner diameter
of the end cap.
3. With the outlet cage facing the end cap, insert the
check valve body into the end cap.
Repeat for the remaining end caps.
48 | M-416 ©FlowInternationalCorporation
HYPLEX PRIME PUMP
Maintenance & Service Manual