Simrad ST90 - Page 127

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bRemovethehandcrankfromitsstorageposition.
cRemovetheplasticplugonthetopcoverofthehullunit.
dMountthehandcrankontothestubshaftthroughtheholeinthetopcover.
eLocatethebrakereleasescrewonthemotor.
fUsean4mmAllenkeytorotatethescrewclockwiseuntilthemotorbrakeis
released.
gTurnthecrankuntilthetransducerisfullylowered.
7Hoistingthetransducer
aTurnthecrankuntilthetransducerisfullyretracted.
bLoosenthebrakereleasescrewtoengagethemotorbrake.
cCheckwiththehandcranktoensurethatthemotorbrakeisengaged.
dRemovethehandcrankfromthestubshaft,andmountitinitsstoragepositionin
theMotorControlUnit.
eActivatetheMotorProtectingSwitch(S301)bypressingtheoperatinghandletoON.
8MakesurethattheHoist/LowerSwitchissettoREMOTE.
Note
FornormaloperationfromtheOperatingPanel,theswitchmustbesettoREMOTE.
9Closethecabinetdoor.
10Insertthemainsfusesforthehullunit.
Relatedtopics
Loweringandhoistingthetransducerfromthesonarroom,page121
Operatingprocedures