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 TM 55-1905-220-14-7
3-216. HEADING SELECTOR - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
ALIGNMENT (Cont).
Loosen the three screws (21) that secure the synchro body (22)
to the mounting surface. Rotate the synchro body until the AC
voltage between circuit card terminals 6 and 7 are nulled.
Tighten the synchro clamp screws while holding the synchro
body in the null-voltage position.
e. Order a change in heading. The rudder
should respond properly and should
return to the amidships position when
the ordered heading and the actual
heading are the same.
3-3334
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