Download Simrad PI GEOMETRY - QUICK REFERENCE GUIDE REV B Installation manual

Simrad SH90
Preventive maintenance schedule
The Simrad SH90 is a state of the art sonar system with only a
minimum of moving parts. At the same time, the sonar system
hardly provides any user serviceable parts. In order to secure
the system for long and trouble-free use, observe the following
preventive maintenance tasks.
Regular or monthly basis
Observe the following tasks to be carried out on a regular basis,
and at least every month.
1
Clean the screen on the colour display.
→ Display cleaning on page 190
2
Check the ambient temperature and the humidity in the
sonar room.
→ Ambient temperature and humidity on page 191
3
Clean the Transceiver Unit.
→ Transceiver Unit cleaning on page 191
4
Clean the Power Supply Unit.
→ Power Supply Unit cleaning on page 193
5
Check that the Transceiver Unit is dry, and not exposed to
excessive dust or vibrations.
→ Transceiver Unit cleaning on page 191
6
Inspect the hull unit to check for water penetration due to
lack of lubricant. Lubricate if required.
→ Hull unit lubrication on page 207
Every three months
Observe the following tasks to be carried out every three months.
1
Clean the Processor Unit surfaces.
→ Processor Unit cleaning on page 190.
2
Clean the Operating Panel surfaces.
→ Operating Panel cleaning on page 190
3
If you have a Heat Exchanger on your Transceiver Unit,
clean its internal filters and fans.
→ Transceiver Unit Heat Exchanger on page 192
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