ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0060 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
OPERATING CONTROL SYSTEM SUB PANEL
Instrumentation Power Supply Replacement:
Parts:
Power Supply, Instrumentation (TM 10-610-309-24P)
Equipment Condition:
Army TWPS: Generator off and TWPS main breaker off
Marine Corps TWPS: TWPS disconnected from power source
Replace the instrumentation power supply of the Operating Control Panel Sub-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. Open the cover to the OCP (see Figure 1).
2. Remove the 14 screws that secure the OCP and swing the instrument panel open.
3. Remove the instrumentation power supply as follows (see Figure 16):
a. Locate the instrumentation power supply.
b. Tag the wires connected to the instrumentation power supply.
c. Pry down on the top terminal blocks on the left and right side of the power supply to
disconnect the power supply.
d. Gently pry down on the built-in clamp of the instrumentation power supply with a small
flat tip screwdriver while lifting up on the instrumentation power supply to remove from
the DIN rail.
INSTRUMENTATION POWER SUPPLY
OPERATING CONTROL SUB-PANEL
Figure 16. Instrumentation Power Supply Removal.
0060 00-20
