Installation manual

On-board maintenance
1 Ensure that the water depth below the vessel is sufficient to
lower the transducer array.
2 In the Motor Control Unit, set the mode selector switch
S302
to position HOIST, and then to position STOP.
3 Set the mode selector switch
S302 to position LOWER.
4 Observe that the transducer array is lowered down into the
water.
• The hoist/lower motor will automatically stop when the
transducer shaft reaches the lower limit switch.
5 Set the mode selector switch
S302 to position STOP.
6 Check that the array is lowered properly, that the transducer
cable is not tangled in any way, and that no other objects
interfere with the operation.
7 Check that the array is lowered without any ominous noises
from the hoist screw or the motor.
8 Check that no power penetrates through the top of the
transducer shaft sleeve.
• If water is penetrating, you need to add lubricant. Refer
to Hull unit lubrication on page 199.
9 Check that the Hull Unit is clean, and that no excessive
grease is present.
10 Set the mode selector switch
S302 to position HOIST.
11 Observe that t he transducer array is hoisted up from the
water.
• The hoist/lower motor will automatically stop when the
transducer shaft reaches the upper limit switch.
12 Check that the array is hoisted properly, that the transducer
cable is not tangled in any way, and that no other objects
interfere with the operation.
13 If necessary, remove dust and salt water residue with a soft
cloth moistened in fresh water. D
o not use strong solvents.
14 If necessary, remove rust and apply suitable protective paint.
15 Check the air bleeding system. Refer to Air bleeding on
page 198.
16 Set the mode selector switch
S302 to position REMOTE.
17 Close and secure the Motor Control Unit.
18 Connect the mains power to the Processing Unit.
19 Remove the warning label on the Operating Panel.
Related topics
Motor Control Unit familiarization on page 189
164385/E 195