MAINTENANCE
20222360 / E 55
5. MAINTENANCE
5.1 General
Service on the HS52 hardware in the field can consist of:
• Replacing damaged cables.
• Replacing failed Sensor unit.
• Replacing failed Display unit.
• Checking the fuse in the Processing unit or replacing the
whole unit.
The Sensor unit is not designed for service in the field and
opening the housing will result in damage or degradation of the
unit and void the warranty. A failed Sensor unit has to be
shipped back to Simrad in the original transportation box or
another appropriate box for service. The return address is
provided in the last pages of this manual.
The software in HS52 can be upgraded to latest version in the
field by connecting an external PC to the Processing unit. A
software upgrade has to be performed by Simrad service people
or representatives.
5.2 Periodic Maintenance
The user should execute all necessary maintenance. This
includes normal cleaning of all units and inspection of cables
and connectors at intervals. Components which malfunction
should either be replaced or sent back to Simrad for service.
The periodic maintenance of the HS52 components is as
follows:
Sensor Unit
Make a visual inspection at 2-3 months intervals, and at the start
of each season.
Re-calibration of the Sensor Unit
The direction of the Sensor unit relative to the vessel's heading
has to be recalculated only if the Sensor unit has been moved or
dismounted from its holder. Then the calibration procedure
described in General section, page 34 has to be followed for re-
calibration of the heading.
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