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3-3
Shortening the retraction tank
The retraction tank is 900 mm in length when supplied. Shorten the tank as necessary so that the
transducer is placed well below the keel when it is lowered. The following table provides guide-
lines for shortening the tank. Refer also to the retraction tank installation drawing at the back of
this manual.
Installation
Method
XDCR Travel
800 mm Remove 0 to
35 mm from
bottom.
Same as left Remove 0 to
35 mm from
bottom.
Length D must
be less than
1150 mm.
Same as left
1200 mm Remove 0 to
35 mm from
bottom.
Same as left Remove 0 to
35 mm from
bottom.
Length D must
be less than
1350 mm.
Same as left
D D
Figure 3-3 Guidelines for shortening the retraction tank
Note: When 35 mm is removed and “D” is minimum, the effect of air foam is minimized when
the transducer is fully protruding in water.