1. MOUNTING
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ical damage. The conduit pipe should be fixed to the flange on the transducer
tank. The pipe should be of such a length to clear the water level when the ship is
fully loaded. The pipe end should be finished with filling compound. It is recom-
mended to fill the pipe with sand between the transducer and the junction box (or
matching box). This will protect the transducer from vibration and damage.
1.4 Matching Box
The matching box should be selected depending on the transducer type;
• 50B-6B transducer: MB-502
• 200B-8B transducer: MB-504
1.4.1 Installation considerations
The matching box can withstand minor water splash, however, locate the unit away
from places subject to direct water and rain.
1.4.2 How to install the matching Box
Fasten the matching box with four self-tapping screws (φ6×20, local supply). Observe
the compass safe distances in the "SAFETY INSTRUCTIONS" (on page i) to prevent
interference to a magnetic compass.
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Transducer (50B-6B)
Transducer Tank
Fixing Flange
Gland Nut
Washer
Rubber Gasket
Hex. Bolt (M6×25)
Spring Washer (For M6)
*: Sea water comes into the area
marked with "*" inside the tank.
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