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
e.
Position the contactor assembly on the DIN rail and carefully press into place.
f.
Attach the wires to the screw connections in accordance to the wire tags.
g.
Tighten the screw connections to secure the wires.
h.
Remove the wire tags if necessary.
i.
Set the overload relay amp adjustment dial in accordance with the associated contactor
number labeled on the contactor as called out in Table 1.
Table 1. Overload Relay Amp Settings.
Contactor Number
Overload Relay Amp Setting
501
5
502
10
503
7
504
33
505
33
506
5
510
8
j.
Position the pointer on the Auto/Man dial to MAN.
k.
Position the dial on the OVERLOAD RESET to RO.
l.
Close the power distribution panel.
Contactor/ Surge Suppressor Replacement:
Parts (TM 10-610-309-24P):
Contactor, 3 pole, 5 HP
Contactor, 3 pole, 20 HP
Surge Suppressor, 120vac
Equipment Conduction:
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 a contactor/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.
NOTE
Make sure to obtain the correct type of contactor before replacing.
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