381298/C
187
3
Check that the unit is securely connected to the ship's ground with an earthing strap.
The strap must be in addition to any incidental electrical contact made by the
mounting lugs on the unit.
4
Use a standard multimeter to check that the resistance between the unit and the
ship's ground is approximately 0 (zero) Ω.
5
Check the physical installation of the unit.
a
Check that the bolts, screws or studs holding the unit are of the correct size.
b
Check that the correct flat and shake-proof washers have been used.
c
Check that all nuts have been tightened properly.
6
Check that all cables leading to the unit have been properly mounted and secured.
7
Verify that enough slack has been provided on the cables to allow maintenance
and replacement.
8
Verify that the unit is not physically damaged, and that the paint-work is clean.
The physical handling of the unit during the installation may have caused some
scratches to the paint-work. This can be accepted. However, if rough handling has
caused serious damage to the unit, this must be recorded with a written statement
and necessary photos, so that corrective actions can be made.
9
If irregularities are found, write these down in the in the
Installation remarks
table.
Related topics
Summary of Contents for Simrad SN90
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