JRC JFE-585 - The First Aid for Transducer Problem

TRANSDUCERINSPECTION
INSURATION
1 TRANSDUCER
MeasurementtheTransducerinsulationresistance.(includetransducercable)
1 TransducercableisremovefromtheterminalofMatchin
g
Box.
2 Measurethefollowin
g
corecablesbytheinsulationresistancemeter(DC500V).
3 Whiteandblack,whiteandscreen,blackandscreen.
Eachcorecableand
g
rounds(shi
p
'sbody).
4 Ifresistanceisbeyond10MΩ,Transducerisnormalasaresultofthemeasurement.
Incaseoffollowin
g
,re
p
lacethetransducerindrydock.
5 Ifresistanceislessthan10MΩ,Transduceris
p
oorasaresultofthemeasurement
.



Measurement 1.TRANSDUCER 2.EXTEN.CABLE
White−Black
White−Screen
Black−Screen
White−Ground
Black−Ground
Screen−Ground
StandardOver10MΩ
2 EXTENTIONCABLE
MeasurementtheExtensionCableinsulationresistance.
1 Removethefollowin
g
alltransducercables.
TerminalofEchosounder,Matchin
g
(Junction)Box,
RemovecableRemovecabl
e
JFE-582(585) JunctionBox Transducer
2 Measurethefollowin
g
corecablesbytheinsulationresistancemeter(DC500V).
3 Whiteandblack,whiteandscreen,blackandscreen.
Eachcorecableand
g
rounds(shi
p
'sbody).
4 Ifresistanceisbeyond10MΩ,ExtensionCableisnormalasaresultofthemeasurement
Incaseoffollowin
g
,re
p
lacetheextentioncableindrydock.
5 Ifresistanceislessthan10MΩ,ExtensionCableis
p
oorasaresultofthemeasurement
.
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