Simrad ME70 Installation Manual page 100

Simrad ME70 Installation Manual
Steel conduit
A
Watertight seal
B
Allow the transducer cables to move freely when
C
the drop keel moves up and down. The cables can
be placed inside or outside the drop keel depending
on the keel design.
Secure the cables here.
D
Steel conduit
E
The cables must be permitted to move freely when the
drop keel is lowered and hoisted. It is important to avoid
sharp edges or protruding elements, as these may cause
damage to the cables. Observe the limitations for the cable
minimum bending radius. Any damage to a cable may
cause water ingression. Water follows the cable cores into
the transducer, and causes damage that can not be repaired.
Procedure
1 Verify that the steel conduit has been finished, and
that all welding has been finalized.
2 Lower the fish tape (wire pulling tool) down from the
top of the steel conduit.
3 Fasten the end of the fish tape to the transducer cables
using electrician's tape.
4 Pull the cables carefully up through the steel conduit.
Continue until you reach the Transceiver Unit. Leave some slack close to the
Transceiver Unit. Allow the transducer cables to form a service loop close to the
transducer.
Note
Be careful! Make sure that you do not damage neither the outer surface of the
transducer cables nor the Transceiver Unit connectors. If water leaks into a cable, it
may damage the transducer beyond repair.
5 If applicable, seal the top of the steel conduit with a Roxtec (or similar) multi-diameter
cable sealing.
6 Inspect the transducer cables as closely as permitted.
a Verify that the transducer cables have not been damaged during installation.
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