ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0063 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
POWER DISTRIBUTION SYSTEM
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 transformer as follows (see Figure 10):
a. Open the power distribution panel and locate the transformer.
b. Tag the wires attached to the transformer.
c. Loosen the screw connections and remove the connecting wires.
d. Remove the four nuts, flat washers and tooth washers that secure the transformer to the
power distribution panel and retain for reassembly.
e. Remove the transformer from the power distribution panel.
POWER DISTRIBUTION PANEL
TRANSFORMER
FLAT WASHER
NUT
TOOTH WASHER
Figure 10. Transformer Replacement.
2. Install new transformer as follows:
a. Position the transformer on the power distribution panel.
b. Secure the transformer to the power distribution panel using the four nuts, flat washers
and tooth washers.
c. Attach the wires to the screw connections in accordance to the wire tags.
d. Remove the wire tags if necessary.
e. Close the power distribution panel.
0063 00-19
