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 TM 55-1905-223-10
b. Emergency Restarting.
NOTE
The following procedure is to be used if the gyro has dumped, or the compass
must be started with the gyro running. This condition is indicated by full scale
deflection of the level meter and a rapid slewing of the compass card.
(1) Position SELECTOR switch (4, FIGURE 2-246) to AUTO LEVEL. Note that compass stops slewing
and settles at a random heading.
(2) Position SELECTOR (4) switch to MANUAL LEVEL.
(3) Depress CAGED BUTTON (1), located on top of binnacle, and note that CAGED lamp (9) lights.
(4) Position TILT/AZIMUTH switch (5) in the same direction required to return compass card to the
proper heading. Release the switch after the compass card begins to rotate slowly toward the
desired heading.
(5) Allow compass card to rotate 2 or 3 degrees past the required heading, then depress CAGED
BUTTON (1) on top of the binnacle. Note that the CAGED lamp (9) extinguishes.
(6) Position the SELECTOR switch (4) to AUTO LEVEL and note that the gyro comes to an approximate
level, as indicated by the LEVEL METER (2).
(7) Position SELECTOR switch (4) to MANUAL LEVEL, then operate TILT/AZIMUTH switch (5) to obtain
a zero indication on the LEVEL METER (2).
(8) Position SELECTOR switch (4) to RUN.
Change 2 2-648
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