ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
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TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
POWER DISTRIBUTION SYSTEM
Surge Suppressor Replacement:
Parts:
Surge Suppressor (TM 10-610-309-24P)
Equipment Condition:
TWPS in Standby Shutdown Without Draining Down
Army TWPS: Generator off and TWPS main breaker off
Marine Corps TWPS: TWPS disconnected from power source
Replace the surge suppressor on the power distribution panel as follows:
WARNING
Electrical hazard. Army personnel: make sure that the generator is off and the
TWPS main breaker is off before working on the control panel. Marine Corps
personnel: make sure that the TWPS is disconnected from its power source before
working on the control panel. Failure to observe this warning could result in
serious injury or death from electrical shock.
1. Remove the surge suppressor as follows (see Figure 9):
a. Open the power distribution panel and locate the surge suppressor.
b. Tag the wires running from the surge suppressor to the L1, 2, 3, Neutral, and Ground
terminals.
c. Disconnect the wires from the terminal lugs.
d. Loosen the four screws that secure the surge suppressor cover to the surge suppressor.
e. Carefully remove the cover and allow for the attaching wires.
f. Remove the four screws inside the surge suppressor.
g. Remove the surge suppressor.
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