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
Replace the MF trans-membrane potentiometer on the operating control panel top 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.
a. Remove the 1000 ohm potentiometer as follows (see Figure 14):
a. Open the OCP top panel, remove the protective box and locate the 1000 ohm
potentiometer.
b. Tag the wires attached to the potentiometer.
c. Loosen the screw connections and remove the connecting wires.
d. Remove the ring nut that secures the potentiometer to the panel.
e. Remove dial plate and EMI gasket from the front of the panel.
f. Remove the potentiometer with dial nut, rubber washer, key washer, and locking washer
from the back of the control panel.
OPERATING CONTROL PANEL
LOCK WASHER
EMI GASKET
DIAL NUT
RUBBER WASHER
RING NUT
DIAL PLATE
KEY WASHER
PANEL
1000 OHM POTENTIOMETER
1000 OHM POTENTIOMETER
Figure 14. 1000 Ohm Potentiometer Assembly Replacement.
0059 00-18
