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
AC Input Module, Relay Output Module, or Triac Output Module Replacement:
Parts (TM 10-610-309-24P):
AC input module
Relay output module
Triac output module
Equipment Condition:
Army TWPS: Generator off and TWPS main breaker off
Marine Corps TWPS: TWPS disconnected from power source
Replace the AC input module, the relay output module, or the triac output module on 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.
NOTE
Make sure to obtain the correct type of module before replacing.
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 AC input module, relay output module, or triac output module as follows (see Figure 4):
a. Locate the AC input module, relay output module, or triac output module inside the 13-
slot chassis that is to be replaced.
CAUTION
Electronic components are sensitive to electrical static. Discharge any electrical
static before handling. Failure to do so may damage the components.
b. Touch any metal portion of the TWPS chassis to discharge any electrical static.
c. Open the compartment door of the module.
d. Loosen the top and bottom screws that hold the terminal block in place, then pull the
terminal block with its connected wiring off the module.
e. With one hand on each end of the module, press the release tabs and evenly pull the
module out of the 13-slot chassis.
0060 00-6