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1. HOW TO INSTALL THE SYSTEM
Note 1: After you install the hull unit,
make sure you install anti-vibration stays.
(See "How to install the stays (anti-vibra-
tion and anti-shock
measures)" on page 1-5.)
Note 2: Prepare a secure and firm safety
fence for the hull unit, to prevent acciden-
tal injury from the moving hull unit. The
safety fence should be easily removable
for maintenance and allow room for the
connected cables to swing freely with
pitch, roll and heave. The raise/lower con-
trol box and EMERGENCY STOP button
should be installed and operatable from
outside the safety fence.
1.1.2
How to shorten the retraction tank
The default length for the retraction tank is 1300
mm. Shorten the tank as necessary so that the
transducer positions well below the keel when it
is fully lowered. The following table provides
guidelines for shortening the tank. By removing
only 88 mm from the retraction tank, you can
eliminate the need for limit switch adjustment.
Refer also to the retraction tank installation
drawing at the back of this manual.
Hull unit travel Cutting range
1200 mm
1600 mm
Note: For both 1200 mm and 1600 mm travel hull units, the transducer will not fully
retract unless the tank is shortened by more than 110 mm.
Guidelines for installation of the retraction tank
• If the keel plate on the inside of the hull is not adequate for installing the retraction
tank, install a secondary keel plate.
• Install the retraction tank where the keel plate and hull frame intersect.
1-2
Recommended
cutting length
0 to 1100 mm
0 to 1100 mm
1300 mm
650 mm
Recommended
tank length
88 mm
1212mm
88 mm
1212mm
Bow
Compartment
(Safety fence)
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