300
442704/A
installation or cleaning. Any holes and/or scratches in the transducer surface will allow
water to penetrate the transducer. If a leak occurs, the transducer must be replaced.
Procedure
1
Make sure that the ST90
system is turned off.
2
Make sure that you have
sufficient height between the
hull and the dry dock floor.
3
Lowering the transducer
a
Use a spanner to open
the door on the Motor
Control Unit.
WARNING
High voltages are
used. This equipment
must be serviced
only by qualified
personnel familiar
with high-voltage
equipment and the
potential hazards
involved. Failure
to observe this
precaution could result in bodily injury. You may be exposed to electric
shock. Read and understand the applicable first aid instructions related
to electric shock.
b
Locate the
Motor Protecting Switch
(S301).
c
Deactivate the
Motor Protecting Switch
(S301) by pressing the operating handle
to
OFF
.
d
Locate the hand crank inside the Motor Control Unit.
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.
Simrad ST90 Reference Manual
Summary of Contents for Simrad ST90
Page 1: ...kongsberg com simrad Simrad ST90 REFERENCE MANUAL ...
Page 2: ......
Page 337: ...442704 A 335 Related topics Sonar views page 326 User interface ...
Page 413: ...442704 A 411 Related topics Menu system page 375 Display menu page 384 Menu system ...
Page 631: ...442704 A 629 Related topics Concept descriptions page 626 Concept descriptions ...
Page 687: ......
Page 688: ... 2021 Kongsberg Maritime ISBN 978 82 8066 211 8 ...
Page 689: ......
Page 690: ...Reference Manual Simrad ST90 ...