Sperry Marine NAVIGAT 100, Руководство по эксплуатации, установке и обслуживанию

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NAVIGAT 100 056373/D
Gyrosphere Maintenance 4-3
Five-Year Maintenance
To ensure continued trouble-free operation and to minimize the risk of
failure, Sperry Marine recommends that every five years, the gyro-
sphere and the centering pin are exchanged by authorized service per-
sonnel.
Note This message indicates no malfunction but is intended to remind the
operator that the recommended maintenance interval has been
exceeded.
When the reminder message is acknowledged with
ENTER / ACK , the
main menu is displayed.
During gyrosphere maintenance, the time counter of the remaining oper-
ation hours before the next service (SERVICE IN:) will be reset.
Note After having reached the maximum level of operating hours, the
reminder message will also become displayed each time the gyrocom-
pass is powered up again.
When the reminder message is acknowledged with
ENTER / ACK , the
gyrocompass will power-up and commence normal operation.
Note The five-year exchange interval for the gyrosphere and is to be regarded
as a recommendation only. Under normal conditions, the gyrosphere is
able to operate flawlessly over a considerably longer period of time.