TM 10-4610-310-14
UNIT MAINTENANCE
LIGHTWEIGHT WATER PURIFIER
TROUBLESHOOTING PROCEDURES
DISTRIBUTION SERVICE PUMP
GENERAL
This work package lists the common electrical malfunctions that you may find during the operation or
maintenance of the Distribution pump P4 or its components used in the Lightweight Water Purifier (LWP). You
should perform the electrical measurements in the order listed.
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.
CORRECTIVE
MALFUNCTION
TEST/INSPECTION
ACTION
If power is not
Check for power to the control
available (WP 0030
module
Replace light bulb WP
1. Pump light is not coming on at the control
Test pump light (WP 0046 00).
panel
Inspect and reset the motor starter
Replace motor starter
module and overload screw (WP
module if faulty (WP
2. Pump light is on but pump is not operating
Disassemble and inspect the pump
Remove the debris
for debris. (WP 0111 00)
Inspect current and
Ensure that the generator is
voltage outputs (TM 9-
working properly
6115-639-13)
Unplug the cable on both ends and
inspect for continuity between both
Replace cable if faulty
ends on all the pins
(A, B, C)
Tighten loose
Inspect the pump cable for voltage
connection. Replace or
across pin A and B (240 VAC)
repair broken wires
and connections.
Inspect the connection J2 for
Replace if voltage is
voltage across pin A and B (240
present at the input
VAC)
and not at the output
Inspect the pump electrical
Replace if faulty (WP
receptacle assembly for loose
wires and damage
0081 00-1
