
© Flow International Corporation
M-416 | 39
CHAPTER 3
Maintenance & Troubleshooting
My UHP component life is excessively short.
CAUTION: It is expected that you have followed all recommended service and maintenance procedures. All parts
of kits should be installed at the same time - do not replace components/positions individually.
It is expected that all utility and installation requirements have been met.
Common causes for prematurely short component life include:
•
Poor inlet water quality
•
Low inlet water pressure
•
Improperly plumbed PCV drain line
•
Improperly loaded tie rod
UHP seal
Worn or damaged UHP plungers.
Install a Minor or Major Maintenance Kit.
Worn or damaged check valve assembly.
Worn or damaged seal carrier.
Inlet water temperature too high or too low.
Call Flow Technical Service.
Incorrect seal installation.
Re-install seals (refer to drawings at the end of
the manual).
UHP seal carrier
Worn or damaged UHP plungers.
Install a Minor or Major Maintenance Kit.
Incorrect seal installation.
Cooling ports clogged; insufficient cooling wa-
ter flow.
Clean cooling ports. Inspect water filters and
user-supplied water pressure.
Inlet check valve
Improperly lapped components.
Lap components (see
Lap the inlet face of the
inlet check valve
).
Inlet poppet pinched.
Install a Minor or Major Maintenance Kit.
Broken spring.
Filler tube or sleeve worn out.
Improper use of lubricants on check valve sur-
faces.
Clean and re-install the check valve with the
proper amount of lubrication (see section
As-
semble the check valve).
Debris/dirt between poppet and seat.
Clean out debris; inspect poppet and seat for
damage. Install Minor or Major Maintenance
Kit if necessary.
Outlet check valve
Broken spring.
Clean out debris; inspect poppet and seat for
damage. Install Minor or Major Maintenance
Kit if necessary.
Debris/dirt between poppet and seat.
UHP plunger
Worn or damaged seal carrier.
Install Major Maintenance Kit.
Incorrect seal installation (seal reversed).
Cooling ports clogged; insufficient cooling wa-
ter flow in subplate adapter and seal carrier.
Clean cooling ports, inspect water filters and
operator-supplied water pressure.
Summary of Contents for HYPLEX
Page 1: ...HYPLEX PRIME PUMP M 416 REV C MAY 2012 ...
Page 7: ... Flow International Corporation M 416 7 CHAPTER 1 Equipment Description ...
Page 8: ...8 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 9: ... Flow International Corporation M 416 9 CHAPTER 1 Equipment Description ...
Page 18: ...Notes 18 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 33: ... Flow International Corporation M 416 33 CHAPTER 3 Maintenance Troubleshooting ...
Page 40: ...Notes 40 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 66: ...Notes 66 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 78: ...Notes 78 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 82: ...Notes 82 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 94: ...Notes 94 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...
Page 100: ...Notes 100 M 416 Flow International Corporation HYPLEX PRIME PUMP Maintenance Service Manual ...