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
Replace the circuit breaker 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 circuit breaker as follows (see Figure 15):
a. Locate the circuit breaker.
b. Tag the wires connected to the circuit breaker.
c. Using a flat tip screwdriver, insert it into the DIN rail holding clip at the bottom of the
circuit breaker. Gently pry down on the holding clip with the screwdriver to release the
clip from the DIN rail and then lift up on the circuit breaker to remove from the DIN rail.
d. Loosen the screw connections and remove the connecting wires.
CIRCUIT BREAKER
Figure 15. Circuit Breaker Removal.
4. Install a new circuit breaker as follows:
a. Insert the wires into the screw connections in accordance to the wire tags on the new
circuit breaker.
b. Position the new circuit breaker on the DIN rail.
c. Tighten the screw connections to secure the wires.
d. Remove the wire tags if necessary.
e. Close and secure the OCP instrument panel using the 14 screws.
0060 00-19
