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A-2
APPENDIX A Notes on Handling Tow Cables
A.2 Uncoiling Tow Cable
Remove ties and roll the coil along the ground so the rope lies straight. There will
be no twist or kink in the cable if these instructions are followed.
A.3 Cable Kinking
Cable kinking can be prevented if the cable is properly handled and installed. The
cause, the effect and the result of cable kinking are discussed below.
A.3.1 Cause of Cable Kinking
Kinking is caused when the cable takes a spiral shape as the result of an unnatural
twist. One of the most common causes of twisting is improper unreeling and
uncoiling. A cable loop and a cable kink are shown in Figure A-3. At the loop
stage no damage will occur if the loop is immediately straightened out before it
causes a kink.
Series 3900 Sonar System Operations and Maintenance Manual
CAUTION If the reel and coil do not revolve freely, it will cause the cable
to twist as each turn is taken off. Kinking will result if the twist is not
removed and the cable straightened out before being placed under tension.
Figure A-2:
Spooling Real to Drum
P/N 11210085, Rev. 01
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