Potentiometer Removal and Replacement.

TM 32-5865-218-24&P

(2)

Remove the two screws (3), flat washers (4), and lock

washers (5) that secure the enclosure (6) to the chassis

stand off (23).

(3) Slide the enclosure (6) backward, off the chassis.

b. Potentiometer Removal and Replacement.

Refer to figure 5-9

and proceed as follows:

(1)

Remove enclosure (6) in accordance with paragraph 5-11a.

(2)

Loosen the setscrews and remove both knobs (7) from the

potentiometer (8).

Remove the collar nut (9) and lock washer (28) that

(3)

secure the potentiometer (8) to the front panel (10).

Remove the potentiometer.

(4)

Tag the wires to identify potentiometer (8) connections.

(5)

Unsolder the wires from the potentiometer (8).

(6)

Solder the wires to the replacement potentiometer (8) as

tagged.

Remove the collar nut (9) and lock washer (28) from the

(7)

replacement potentiometer.

Slide the replacement poten-

tiometer into the front panel (10) and secure with the

collar nut (9) and lock washer (28).

With the potentiometer in the fully counterclockwise

(8)

position install both knobs (7) and secure the indicator

with the setscrews.

Replace enclosure (6) in accordance with paragraph 5-11,

(9)

step 1.

Refer to section V of this chapter.

(10)

c. Switch/Indicator Removal and Replacement.

Refer to figure 5-9

and figure 5-10, and proceed as follows:

(1) Remove enclosure (6) in accordance with paragraph 5-11a.

(2) Grasp the edges of the lens assembly of the

switch/indicator (11) to be replaced and pull forward

about one inch (see figure 5-10). Allow the lens

assembly to hang down on the front panel to expose the

locking cam adjustment screws.

(3) Use a screwdriver to turn the two locking cam adjustment

screws counterclockwise (CCW).

5-29