ARMY TM 10-4610-309-14
MARINE CORPS TM 10802A-14/1
0059 00
TACTICAL WATER PURIFICATION SYSTEM (TWPS)
UNIT MAINTENANCE PROCEDURES
OPERATING CONTROL SYSTEM TOP PANEL
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. Remove the emergency stop push button as follows (see Figure 11):
a. Open the OCP top panel, remove the protective box and locate the emergency stop push
button.
b. Tag the wires attached to the push button.
c. Loosen the screw connections and remove the connecting wires.
d. Remove the plastic mushroom cap from the front of the panel.
e. Remove the ring nut that secures the push button to the panel.
f. Remove the push button, rubber washers, locking washer, seal washer and EMI gasket
from the control panel.
OPERATING CONTROL PANEL
LOCK
EMI
CAP
GASKET WASHER
RUBBER WASHER
SEAL WASHER
RING NUT
PUSH
PANEL
BUTTON
EMERGENCY STOP BUTTON
Figure 11. Emergency Stop Button Replacement.
2. Install the new emergency stop push button as follows:
a. Position the new push button, rubber washers, locking washer and EMI gasket in the
panel.
b. Tighten the ring nut to secure the push button switch to the panel.
c. Attach the plastic mushroom cap to the front of the switch.
d. Attach the wires to the screw connections in accordance to the wire tags.
e. Tighten the screw connections to secure the wires.
f. Remove the wire tags if necessary.
g. Reinstall the protective box, close and secure the operating control panel top panel.
0059 00-14
