Installation manual

Simrad SH80
Preventive maintenance schedule
The Simrad SH80 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
1 Clean the screen on the colour display. Refer to Display
cleaning on page 181.
2 Check the ambient temperature and the humidity in the
sonar room. Check that the Transceiver Unit is dry, and not
exposed to excessive dust, humidity or vibrations. Clean
the unit. Refer to Ambient t emperature and humidity on
page 184.
Every three months
1 Clean the APC10 Processor Unit surfaces. Refer to APC10
cleaning on page 181.
2 Check the APC10 Processor Unit dust filter. If necessary,
clean or replace the filter. Refer to APC10 dust filter on
page 181.
3 Clean the Processor Unit surfaces. Refer to Processor Unit
cleaning on page 182.
4 Check the Processor Unit dust filter. If necessary, clean
or replace the filter. Refer to Processor Unit dust filter on
page 182.
5 Clean the Interface Unit surfaces. Refer to Interface Unit
cleaning on page 183.
6 Clean the Operating Unit surfaces. Refer to Operating Panel
cleaning on page 184.
7 Check the dust filters on the Transceiver Unit. Clean or
replace if required. Refer to Transceiver Unit dust filters
on page 184.
When in dry dock
1 Inspect the transducer array. Clean and remove marine
growth. Refer to Cleaning the transducer on page 196.
After dry docking
1 Perform a functional test of the hull unit. Refer to Functional
test after dry docking on page 194.
2 Check the air bleeding system. Refer to Air bleeding on
page 198.
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