Kongsberg Simrad ST90, Reference Manual

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442704/A
Note
During the years, the heat
exchanger has been redesigned
several times. Although its
appearance has changed, the
operational principles, use
and maintenance actions have
remained the same.
Procedure
1 Remove the front panel.
Remove the bolts indicated
in the illustration.
Older types of heat
exchangers have only four
bolts to secure the front panel,
one in each corner.
Note
The front panel can be tight because the insulation material used between the front
panel and the cabinet have become sticky. You may need to apply some force to remove
the panel. Use a block of wood and a small hammer to carefully loosen the panel.
2 Clean the unit.
• Use a vacuum cleaner with a plastic or rubber nozzle.
• Use a soft lint free cloth moistened with fresh water and a mild detergent.
• Use high pressure air if necessary.
Note
For more dirty applications, compressed air or high pressure water flushing can be used
provided maximum flushing pressure with a flat flushing nozzle is kept below 100 bar.
Please observe that high pressure flushing must not be made directly against the plates!
3 Close the front panel.
Simrad ST90 Reference Manual