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e
Remove the hand crank from its storage position.
f
Remove the plastic plug on the top cover of the hull unit.
g
Mount the hand crank onto the stub shaft through the hole in the top cover.
h
Locate the brake release screw on the motor.
i
Use an 4 mm Allen key to rotate the screw clockwise until the motor brake is
released.
j
Turn the crank until the transducer is fully lowered.
4
Clean the transducer thoroughly.
Make sure that you remove all oil grease residues, as well as salt and other
contamination.
5
Allow the transducer surface to dry.
6
Abrade the transducer surface using a sanding paper with 240 inch grit size.
Do not exceed a surface roughness (R
transducer performance.
7
Remove all dust.
8
Apply the primer, and let it dry.
9
Apply the paint.
Observe the instructions provided by the paint manufacturer. Use airless spray.
Apply the minimum specified film thickness per coat and for the complete layer.
It is not possible to measure dry film thickness on transducer surface. You must
therefore use a wet film gauge to frequently measure the paint thickness.
Note
We strongly recommend that you do not use a paintbrush and/or a roller.
10 Allow the paint to dry.
11 Hoisting the transducer
a
Turn the crank until the transducer is fully retracted.
b
Loosen the brake release screw to engage the motor brake.
c
Check with the hand crank to ensure that the motor brake is engaged.
d
Remove the hand crank from the stub shaft, and mount it in its storage position
in the Motor Control Unit.
e
Activate the
ON.
381294/E
max
Motor Protecting Switch
Maintenance procedures
) of 35 microns as this can influence the
(S301) by pressing the operating handle to
283
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