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CM2 Sidescan Sonar User Manual
3. Installing the System
Attaching the Safety Lanyard and Tow Cable Extension
First remove the drop-nose pin from the rear of the keel, feed the loop of the safety lanyard into the end of
the keel, and replace the pin to secure the loop. Drop the nose of the pin, to 90 degrees, to ensure that the
pin cannot fall out.
Remove the dust cap from the tow cable underwater connector.
Engage the tow cable socket on to the plug on the rear of the towfish, being careful to align the connector
correctly. It is good practice to keep this plug clean and occasionally and only very lightly grease the rubber
sleeves of the pins with the silicone grease provided.
Attach the towing bail using the breakable "safety" washer, and the M6 cap screw with captive washer. Use
the 5mm hex key provided to tighten this screw. The breakable washer is designed to fracture under
excessive load.
The safety lanyard and the tow cable extension should be secured to the left-hand yoke with a 3.5mm cable
tie so that there is no slack in the lanyard and in the tow cable extension between the yoke and the rear fin.
Version 3.6 (2008)
8
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