Mc80 Processor Unit - Simrad SX90 - REFERENCE MANUAL REV D Reference Manual

Simrad SX90
194
Dedicated cleaning chemicals for CRT and LCD displays
are provided by office suppliers.

MC80 Processor Unit

Observe the following on-board maintenance instructions for the
MC80 Processor Unit.
Processor Unit cleaning
1 Ensure that the Processor Unit is kept clean and dry.
2 Remove dust and salt water residue with a soft cloth
moistened in fresh water. Do not use strong solvents.
Processor Unit dust filter
To avoid overheating, the dust filter(s) must be inspected, and if
necessary, cleaned once every third month. The dust filter on
the Processor Unit is located on the air inlet on the rear side of
the unit.
Figure 41 Filter on front of the Processor Unit
Observe the location of the filters on the front side of the
1
Processor Unit (A).
Power down the sonar system. Open the protection lid on
2
the front side of the unit, and switch off the unit using the
main on/off switch (B).
Grab a firm hold on each side of each filter case, and pull
3
it out.
4 Use a vacuum cleaner to remove dust from the filters.
When the filters have been cleaned, power up the Processor
5
Unit.
Serviceable parts
There are no user serviceable parts inside the Processor Unit.
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