Sperry Marine 4914-CA, Operation, Installation And Service Manual

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As long as the vessel is navigating, Sperry marine requires the
NAVIGAT X MK 1 system not to be shut down, to keep the gyrosphere
always self protected against possible physical damage, caused by ves-
sel movement.
If a shut down of the NAVIGAT X MK 1 system is intended for good rea-
son, the vessel must stop navigating before the shut down and removal,
storage and re-installation of the container from the compass housing
and the gyrosphere from the container, must be carried out by author-
ized service personnel only to protect the gyrosphere against possible
damage.
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For installation and service procedures of the gyrosphere and gyro-
sphere container, the following separate Installation, Maintenance and
Service Procedures, delivered with the gyrosphere, apply:
- 04911-0125-001, for gyrosphere type 2, gyrosphere container mod. 7/2
- 04911-0125-002, for gyrosphere type 2, gyrosphere container mod. 10/2
- 05000-0125-001, for gyrosphere type 3, gyrosphere container mod. 10/3
- 05000-0125-002, for gyrosphere type 3, gyrosphere container mod. 10/3
with the NAVIGAT X MK 1 in DP vessel application.
`^rqflk Risk of damage to the gyrosphere through shut-down
A shut down of the NAVIGAT X MK 1 system, while the vessel is navigat-
ing, will damage the gyrosphere, as the gyrosphere is only self protected
against physical damage, as long as the system is running.
NEVER shut down the NAVIGAT X MK 1, while the vessel is navigating.
A shut down of the NAVIGAT X MK 1 system for good reason is only pos-
sible when the ship is NOT navigating.
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Sperry Marine requires to NOT shut down the NAVIGAT X MK 1 system
as long as the vessel is navigating, even when operating in polar waters
with possible unstable/unreliable heading.
`^rqflk Risk of damage through unauthorized service
Only authorized service personnel is allowed to remove the gyrosphere
from the gyrosphere container.
Always keep to the mandatory safety requirements and the correct serv-
ice work procedure to remove the gyrosphere from the gyrosphere con-
tainer.
kçíÉ
For installation and service procedures of the gyrosphere and gyro-
sphere container, the following separate Installation, Maintenance and
Service Procedures, delivered with the gyrosphere, apply:
- 04911-0125-001, for gyrosphere type 2, gyrosphere container mod. 7/2
- 04911-0125-002, for gyrosphere type 2, gyrosphere container mod. 10/2
- 05000-0125-001, for gyrosphere type 3, gyrosphere container mod. 10/3
- 05000-0125-002, for gyrosphere type 3, gyrosphere container mod. 10/3
with the NAVIGAT X MK 1 in DP vessel application.