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
Replace a distribution block 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 distribution block before replacing.
1. Remove a distribution block as follows (see Figure 12):
a. Open the power distribution panel and locate the distribution block to be replaced.
b. Remove the distribution block cover and retain for reassembly.
c. Tag the wires attached to the distribution block.
d. Loosen the hex key terminal connections and the screw connections and remove the
connecting wires.
e. Remove the six screws and tooth washers that secure the distribution block to the power
distribution panel and retain for reassembly.
f. Remove the distribution block from the panel.
SCREW
DISTRIBUTION BLOCKS
COVER
HEX KEY TERMINAL CONNECTION
SCREW
WASHER
SCREW CONNECTION
Figure 12. Distribution Block Assembly Replacement.
0063 00-22