Simrad SX90 - REFERENCE MANUAL REV D Reference Manual page 203

307670/D
1 In the Motor Control Unit, set the hoist/lower switch
to LOWER.
• If the switch
hoist operation may occur when the switch pass the
HOIST position. To avoid this, use the following
procedure:
1 Locate the motor protecting switch
2 Release
to position OFF.
3 Set switch
4 On
S301
ON to activate the motor protecting switch.
5 Set switch
transducer shaft.
2 Observe that the transducer array is lowered down.
• The hoist/lower motor will automatically stop when the
transducer shaft reaches the lower limit switch.
• If necessary, the lowering can easily be stopped in any
position by setting the switch
When the transducer shaft has been lowered to the requested
3
position, set the mode selector switch
Hoisting procedure
Observe the following procedure to hoist the transducer array.
1 Set the mode selector switch
2 Observe that the transducer array is hoisted.
• The hoist/lower motor will automatically stop when the
transducer shaft reaches the upper limit switch.
• If necessary, the hoisting can easily be stopped in any
position by setting the switch
When the transducer shaft has been hoisted to the requested
3
position, set the mode selector switch
Manual lowering and hoisting using the hand crank
If the normal hoist/lower operation does not work, and the
3-phase voltage for the hoist/lower motor is unavailable
(indicators is not illuminated), the transducer can be hoisted
L1
or lowered manually by means of the hand crank.
Procedure
1 Locate the motor overload switch
Unit, and press the red button marked 0.
2 Locate the hand crank in the Motor Control Unit.
is in REMOTE position, an unwanted
S302
by pressing the operating handle down
S301
to position STOP.
S302
, press the operating handle up to position
to position LOWER to lower the
S302
S302
to position HOIST.
S302
S302
S301
On-board maintenance
S302
.
S301
to position STOP.
to position STOP.
S302
to position STOP.
to position STOP.
S302
in the Motor Control
201