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
4. Install a new 3-pole relay as follows:
a. Align the new 3-pole relay pins with the relay socket.
b. Carefully push the 3-pole relay completely into the socket.
c. Close and secure the OCP instrument panel using the 14 screws.
Time Delay Relay Replacement:
Parts:
Relay, Time Delay (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 time delay relay 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.
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 time delay relay as follows (see Figure 11):
a. Locate the time delay relay.
b. Un-clip the brackets at the top of the relay.
c. Carefully pull the time delay relay out of the relay socket.
OPERATING CONTROL SUB-PANEL
TIME DELAY RELAY
BRACKETS
RELAY SOCKET
Figure 11. Time Delay Relay Removal.
0060 00-14
