TM 10-4610-310-14
UNIT MAINTENANCE
LIGHTWEIGHT WATER PURIFIER
TROUBLESHOOTING PROCEDURES
HIGH PRESSURE PUMP MODULE
MODULE CABLE
General
The table lists the common malfunctions that you may find due to faults in the module cable of the high-pressure
pump module. You should perform the tests/inspections and corrective actions in the order listed.
This manual cannot list all malfunctions that may occur, nor all tests or inspections and corrective actions. If a
malfunction is not listed or is not corrected by listed corrective actions, notify your supervisor.
WARNING
When checking for voltage on an energized component, extreme care must be taken. Only qualified and
authorized electrician should maintain, troubleshoot, and operate energized equipment. Injury or death to
personnel may result.
MALFUNCTION
TEST/INSPECTION
CORRECTIVE ACTION
Inspect ground connection inside
the HP junction box and pressure
1. No power
switches for loose connections.
Tighten any loose connections.
Inspect all the wire and cable
connections for looseness.
With power removed, test for
2. Air Shutoff Solenoid
continuity between pin E on
Replace cable if continuity is not
Malfunction
cable to wire 28 and pin B to wire
present.
3.
With power removed, test for
continuity between pin C on
Replace cable if continuity is not
3. Low-Pressure Switch
cable to wire 5 and pin A to wire
present.
2.
With power removed, test for
continuity between pin D on
Replace cable if continuity is not
4. High-Pressure Switch
cable to wire 6 and pin A to wire
present.
2.
END OF WORK PACKAGE
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