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1. MOUNTING
If not as shown above, loosen shaft retainer and fastening band to adjust the dis-
tance. This will place the bottom of the soundome 10 mm above the bottom of the
retraction tank when the soundome is retracted.
Raise/lower
drive block
Shaft
Trunnion bolt
11. Tighten the grease cotton retainer for a gap of 7 to 9 mm.
Checking manual raise/lower of transducer with handcrank
Perform this check after all wiring has been completed. Ship's mains power must ap-
plied to the hull unit, otherwise the magnetic brake of the raise/lower motor activates,
disabling the manual raise/lower gears.
1. Turn off the breaker on the hull unit.
2. Detach the brake-off switch cover.
1-8
Shaft retainer
Bow
mark
Fastening band
Figure 1-12 Installing the raise/lower drive block
7 to 9 mm
Figure 1-13 Tightening the grease cotton retainer
1.17 m shaft: 75 mm
Shortened shaft: 15 mm
Fasten for a gap of
1 mm approx.
10 mm
Grease cotton retainer
Grease cotton
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