Flow HYPLEX - Page 56

Disassembly
1. Push in the E-stop.
WARNING
Place the main electrical disconnect OFF and bleed down
all high-pressure lines. Place an “Out of Service” tag on the
main electrical disconnect and lock it out. Failure to do so
may result in equipment damage or injury to personnel.
2. Disconnect all high-pressure and low-pressure inter
-
face connections to access the tie rods. Place the
manifold and PCV assembly combination aside.
3. Use the pressure loading tool to unload the tie rods
(see Unloading the tie rods on Page 43).
For each of the three high-pressure cylinders
4. Remove the end cap, high-pressure cylinder, inlet
poppet, springs, filler tube, and sleeve. Discard the
inlet poppet and spring.
5. Remove and discard the o-ring from the ID of the
high-pressure cylinder.
6. Slide the dynamic seal carrier off the plunger if it did
not come out with the cylinder. Remove and discard
dynamic seal and rod seal.
CAUTION
Use care when removing dynamic seal and rod
seal. Do not scratch or nick seal carrier bores.
7. Remove the subplate adapter. If necessary, use pry
bars or screwdrivers to remove the adapter. Remove
the snap ring from the subplate adapter using snap
ring pliers. Remove the spacer and seal. Remove the
two o-rings from the outer diameter of the adapter.
Discard the seal, o-rings, and snap ring. Keep the
spacer for reuse.
56 | M-416 ©FlowInternationalCorporation
HYPLEX PRIME PUMP
Maintenance & Service Manual