TM 10-4610-310-14
UNIT MAINTENANCE
LIGHTWEIGHT WATER PURIFIER
TROUBLESHOOTING PROCEDURES
COLD WEATHER KIT
GENERAL
This work package lists the common malfunctions that you may find during the operation or maintenance of the
Lightweight Water Purifier (LWP) for cold weather kit. You should perform the tests/inspections and corrective
action in the order listed. The cold weather consists of blankets, power distribution panel, extension electrical
cord, and centrifugal service pump blanket. This kit is used when the temperature is forecast to be 32F (0C) or
less.
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
Ensure power switch is on
Switch to ON
Ensure the distribution panel is
1. No power to the power
plugged into the generator
Plug the panel in.
distribution panel
for the CWK.
Ensure that the generator is
Consult (TM 9-6115-639-13)
working (TM 9-6115-639-13)
Inspect all the electrical plugs
Connect the plugs properly
are connected properly
Unplug the extension cable on
If continuity fails to exists between the
both ends and Test them for
pins on the ends of the cable replace
continuity
the cable.
With power on, test for voltage
If power is available and the extension
(120 VAC) between the black
cables are ok, replace blanket. If no
and white wires at respective
power is not available, proceed.
connection (J1-J5).
Check the respective circuit
If the circuit breaker tripped, reset by
2.Blanket is not heating up
breaker CB1(2A) CB5 (2A)
pushing the button on the breaker back
for trip condition
in.
Check the respective circuit
breaker CB1(2A) CB5 (2A)
If continuity fails to exists, replace the
for continity across black
circuit breaker
wires
Inspect the continuity across the
If continuity fails to exists, replace the
switch between the black
switch.
wires
Inspect all the wires for
Tighten loose connections and repair
looseness and damage
damaged wires.
NOTE
Green wires are ground, white wires are neutral and black wires are power.
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