
SimradSH90
HullUnitmaintenance
Observethefollowingon-boardmaintenanceinstructionsfor
theHullUnit.
Note
TheHullUnitmustbeundercontinuouswatchasapartofthe
vesselmachinery.
Inadditiontolubrication,checkforsignsofcorrosion.If
required,cleanthecorrodedareas,andpaintoverwithahigh
qualityprotectivepaint.
Asitmaybeexposedtoseverestrainbecauseofpitchingand
vibrations,thehullunitmustbecheckedatregularintervalsfor
looseboltsandparts.
Topics
•Hullunitfamiliarizationonpage195
•MotorControlUnitfamiliarizationonpage196
•FusesintheMotorControlUnitonpage197
•Hoistingandloweringfromthesonarroomonpage198
•Motorprotectingswitch(S301)onpage202
•Dockingthevesselonpage202
•Cleaningthetransduceronpage204
•Airbleedingonpage206
•Hullunitlubricationonpage207
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323775/B
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