Simrad ST90 - Page 276

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3LocatetheMotorProtectingSwitch(S301).Presstheoperatinghandleupwardsto
positionON.
4LocateHoist/LowerSwitch(S302).SettheswitchtopositionLOWER.
5LocatetheHandCrankSafetySwitch(S303).
6CheckthetrainingdirectionofthehoistingmotorbyverybrieypressingtheHand
CrankSafetySwitch(S303).
7Ifthetransducerwashoisted
:
aTodisconnectpower,disengagethecircuitbreakerforthe3-phaseACvoltage.
bRemovethecoveronthepowerconnectionsterminalboxonthehoisting
motor.
cReversetwoofthethree3-phasecableconnections.
dReplacethecover.
eToapplypower,closethecircuitbreakerforthe3-phaseACvoltage.
fCheckthetrainingdirectionofthehoistingmotorbyverybrieypressing
theHandCrankSafetySwitch(S303).
8LocateHoist/LowerSwitch(S302).SettheswitchtopositionSTOP.
9PutthehandcrankbacktoitsstoragepositionintheMotorControlUnit.
10Makesurethatyouhavesufcientwaterdepthbelowthekeelbeforeyoulower
thetransducer.
11Makesurethatthetransducercablescanmovefreelywhenthetransduceris
loweredandhoisted.
12LocateHoist/LowerSwitch(S302).SettheswitchtopositionLOWER.
•LoweringisautomaticallystoppedwhenLowerLimitSwitch(S305)isactivated.
•Ifnecessary,thetransducercanbestoppedinanypositionbysettingthe
Hoist/LowerSwitch(S302)toSTOP.
13LocateHoist/LowerSwitch(S302).SettheswitchtopositionHOIST.
•HoistingisautomaticallystoppedwhentheUpperLimitSwitch(S304)isactivated.
•Ifnecessary,thetransducercanbestoppedinanypositionbysettingthe
Hoist/LowerSwitch(S302)toSTOP.
14Repeatthehoistandloweroperationstondthebestwayofsecuringthetransducer
cable.
15LocateHoist/LowerSwitch(S302).SettheswitchtopositionSTOP.
16LocatetheMotorProtectingSwitch(S301).Presstheoperatinghandledownto
positionOFF.
SimradST90InstallationManual