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
SET SCREW
10-TURN POTENTIOMETER
LOCK WASHER
RING NUT
DIAL KNOB
PANEL
KEY WASHER
10-TURN POTENTIOMETER
OPERATING CONTROL PANEL
Figure 13. 10-Turn Potentiometer Assembly Replacement.
2. Install the new 10-turn potentiometer as follows:
a. Position the potentiometer in the panel.
b. Position the lock washer and key washer on the shaft.
c. Install and tighten the ring nut to secure the potentiometer to the panel.
d. Turn the potentiometer shaft counterclockwise to obtain minimum resistance or voltage
ratio.
e. Loosen the setscrew in the knob of the new counting dial.
f. Set the counting dial to a "0.0" reading.
g. While holding the outer ring of the dial, position the dial against panel.
h. Tighten the knob set screw to secure it to the potentiometer shaft.
i. Solder the wires to the solder lug connections in accordance to the wire tags.
j. Remove the wire tags if necessary.
k. Reinstall the protective box, close and secure the operating control panel top panel.
1000 Ohm Potentiometer Replacement:
Parts (TM 10-610-309-24P):
Potentiometer, 1000 Ohm
EMI Gasket
Equipment Condition:
Army TWPS: Generator off and TWPS main breaker off
Marine Corps TWPS: TWPS disconnected from power source
0059 00-17
