TM 5-4220-227-14
(2) Replace potentiometer and rheostats. (figure 5-33)
NOTE
There are two rheostats and one potentiometer.
(a) Remove front panel chassis assembly (para. a. above).
(b) Loosen setscrew (1) and remove knob (2).
(c) Remove nut (3) and remove potentiometer (4).
NOTE
Step (d) and (e) is for potentiometer only.
(d) Remove nut (5) from potentiometer (4).
(e) Install nut (5) on potentiometer (4).
(f)
Install potentiometer (4) on panel chassis assembly (6) and secure with nut (3).
(g) Install knob (2) and tighten setscrew (1).
(h) Install front panel chassis assembly (para. a. above).
Figure 5-33. Front Panel Chassis Assembly Potentiometer and Rheostat, Replace.
5-73