Northrop Grumman Sperry Marine Jupiter, Руководство по эксплуатации и установке

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056016/D JUPITER
2-2 Exchange of Compass
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1. Loosen the lock-nuts (16) and remove the trunnion journals (17, 21)
by turning counterclockwise with a screwdriver.
2. Remove the JUPITER magnetic compass.
3. Install JUPITER spare magnetic compass.
4. Screw in the trunnion journals (17, 21) into the gimbal ring (13) so
that no play exists between compass and gimbal ring and secure
with lock-nuts (16).
5. Use the storage box of the JUPITER spare magnetic compass to pack
and return the exchanged compass to Sperry Marine, see “Compass
Return Information” on page 5-2 for details.
kçíÉ Trunnion journals for bearing the gimbal ring are to be removed carefully
with a pair of pliers.