Furuno FSV-24 - Manual (Page 15)

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1.1.5 Installing stays (anti-vibration measure)
Install stays from the top of the hull unit to the ship’s hull. The stays should be
angle iron with a size of 75X75X9 mm or more and at least two pieces should be
used; one each to ship’s bow and stern directions. Install if possible, two more
stays in ship’s transverse direction.
Stay
Stay
Hull Unit
Bow
Proper installation of stays
Do not install the stays as shown below. Vibration-resistance effect is reduced
since vibration is applied to the stays as rotation force. Install them horizontally.
Crossbeam
on ceiling
(wrong installation method)
Proper installation
90
Hull Unit
Eye Bolt
Stay
Proper and wrong installation of stay
Note: Install stays as shown above, otherwise the transducer may be damaged.