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6. Set grease cotton to main body flange and tighten the grease cotton retainer.
7. Attach the tank guide. The distance between the top of the transducer flange and the bottom
of the tank guide body should be 340 mm for 600 m travel type and 140 mm for 400 mm
travel type.
8. Attach zinc block to main shaft..
CAUTION
The zinc block near the transducer must
be replaced yearly.
The junction between the transducer and
main shaft may corrode, which can result
in loss of the transducer or water leakage
inside the ship.
Wind grease cotton
onto main shaft and
cut as below.
Flat washer
Tighten grease
cotton retainer for
gap of 7 to 9 mm.
Figure 1-9 Setting grease cotton
Tank guide
Bow mark
M10 x 55
M10 SW*
340 mm (for 600 mm travel type)
140 mm (for 400 mm travel type)
Figure 1-10 Installing the tank guide
Zinc block
Orient round end
to tank guide side.
1-6
Space joints of cotton at 120° and push into
main body flange.
Align with bow
mark on trans-
ducer flange.
* Spring washer
Figure 1-11 Attaching zinc block
Ship's bow
Tank guide
Attach zinc block
as close as possible
to tank guide.
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