Installation manual

Purse seine hydrophone installation
43
851-165187 / Rev.A
Installation precautions
Caution: The following precautions must be observed. Failure to
do so can result in damage to the hydrophone which
may render the PI54 catch monitoring system
inoperative.
1 Observe the maximum allowable torque warning of 5 Nm
when tightening the hydrophone studs.
2 Use only M8x35 socket countersunk head screws for
mounting the hydrophone.
3 Secure threaded hydrophone hardware with Loctitet 270
or the equivalent.
4 Do not paint the hydrophone.
5 Do not sand-blast, power or steam wash the hydrophone.
6 Do not scrape the hydrophone with metal or other hard
objects that m ay damage the polyurethane sheathing.
7 Do not strike the hydrophone.
8 Do not expose the hydrophone to harsh chemicals.
9 Do not perform hot work in the vicinity of the
hydrophone.
10 Do not lift the hydrophone by its cable.