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 TM 55-1905-223-24-18-2
i.
Remove the knob and potentiometer (14).
j.
Remove knob (15).
k.
Remove bulb from indicator (16).
l.
Remove resistor pack bracket (18).
m.
Remove heading changer (17).
n.
Remove autopilot P.C.B. (19).
REPAIR
Repair at this level of maintenance is by replacement of potentiometers (3, 4, 5, 9, 10, 11, 12, and 14), L.E.D.'s (7,
8), toggle switch (13), knob (15), resistor pack (18), heading changer (17) and autopilot P.C.B. (19).
ASSEMBLY
a. Install autopilot P.C.B. (19).
b. Install heading changer (17).
c. Install resistor pack bracket (18).
d. Install bulb in indicator (16).
e. Install knob (15).
f. Install potentiometer (14) and knob.
g. Install toggle switch (13).
h. Install potentiometer (12) and knob.
i. Install potentiometer (11) and knob.
j. Install potentiometer (10) and knob.
l. Install the red L.E.D. (7) and green L.E.D. (8).
m. Install the two relays (6).
n. Install potentiometers (3, 4, and 5).
REPLACEMENT
a. Install autopilot unit in control console.
b. Secure with four screws (1).
c. Connect wiring to autopilot and remove tags.
d. Close access panel (2, Figure 3-104.1).
e. Fasten two latching screws (3, Figure 3-104.1) securing access panel (2, Figure 3-104.1) to pilothouse
control console (1, Figure 3-104.1).
Change 6 3-416.2
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