Installation manual

Simrad SP90
108
851-164510 / Rev.E
5 If the transducer shaft was hoisted, perform the following
procedure:
a Disconnect the ship’s 3-phase mains fuses
b Change two of the connections to the terminals on the
motor overload switch S301.
c Reinsert the 3-phase mains fuses in the ship’s fusebox.
6 Set the hoisting/lowering switch S302 to Stop.
7 Put the the hand crank back to its storage position in the
Motor Control Unit.
8 Check if there is sufficient space under the keel to lower
the transducer.
9 Make sure that the flexible transducer cable is in such a
position that the transducer can be lowered without
stretching or hard-bending the cable.
Note: Watch this carefully during the next steps in this procedure!
10 Set the hoisting/lowering switch S302 to the Lower
position to completely lower of the transducer.
- Lowering will be stopped automatically when the top
of the transducer shaft makes contact with the lower
limit switch S305.
11 Set the hoisting/lowering switch to the Hoist position to
completely hoist the transducer.
- Hoisting will be stopped automatically when the top of
the transducer makes contact with the upper limit
switch S304.
12 Repeat the hoisting/lowering operation to find the best
position for a permanent fastening of the flexible
transducer cable.
13 Set the hoisting/lowering switch to Stop.
14 Release the motor overload switch S301 by pressing the
red button marked 0. This will prevent unwanted lowering
of the transducer.