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 TM 55-1905-223-24-18-2
3-117.1.
Replace/Repair Autopilot Panel Assembly (Figure 3-104.1)
This task covers:
a. Removal,
b. Disassembly,
c. Repair,
d. Assembly,
e. Replacement
INITIAL SETUP
Tools
Equipment Condition
Tool kit, general mechanic's
Electrical power to autopilot
OFF and tagged "Out of Service
Do Not Operate."
(TM 55-1905-223-10)
Materials/Parts
Autopilot panel assembly, P/N 9999-40740
Autopilot P.C.B., P/N 9999-40700
Relay, P/N Z120D10
Potentiometer 10K, P/N 70TAN056P103UF (4)
Potentiometer 250 ohm, P/N 70TAN056P202UF
Potentiometer 750 ohm, P/N 53C750 (2)
Potentiometer 2K, P/N 70TAN056P202UF
Heading changer, P/N HC404
Indicator lamp, P/N 1819
L.E.D. Red, P/N L58D-R2-W
L.E.D. Green, P/N L58D-G2-W
Toggle switch, P/N 7101
Warning tags, Item 1, Appendix C
REMOVAL
a. Loosen two latching screws (3, Figure 3-103) securing starboard side access panel (2) to pilothouse
control console (1).
b. Open access panel.
c. Tag and disconnect wiring from autopilot unit.
d. Remove four screws (1) from front panel (2).
e. Remove autopilot unit.
DISASSEMBLY
a. Remove potentiometers (3, 4 and 5).
b. Remove the two relays (6).
c. Remove the green L.E.D. (8) and the red L.E.D. (7).
d. Remove the knob and potentiometer (9).
e. Remove the knob and potentiometer (10).
f. Remove the knob and potentiometer (11).
g. Remove the knob and potentiometer (12).
h. Remove toggle switch (13).
3-416.1 Change 6
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