056341 Rev. AA
NAVIGAT X Mk 2
Page 8-12
8: Gyroshpere Installation and Service
8.4 Gyrosphere Maintenance Procedures
8.4.1
Removing the gyrosphere container from the compass housing
Parts required
–
a 5mm Allen key
–
a No. 2 Philips-head screwdriver
Procedure
1)
Make sure the compass' main and backup power supplies are switched off
and safeguarded against accidental switching-on.
2)
Unscrew the 5 mm Allen-head screws of
the compass housing door and take off
the door from the housing
3)
Disconnect the grounding strap be-
tween door and housing. Place the door
aside. If the door is put next to the hous-
ing, the keypad's ribbon cable may be
left connected to the main PCB.
4)
Unplug the gyrosphere supply and
phase bridge connector from its socket
on the gyrosphere container.
5)
Gently turn the bellows, until the largest
of the three coupling seats in the bayo-
net collar points towards the front of the
housing. the seat is marked by a green
dot on the collar.
Содержание Sperry Marine NAVIGAT X MK 2
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