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8. MAINTENANCE, TROUBLESHOOTING
8-2
8.3 Hull Unit Maintenance
8.3.1 Lubrication points, zinc plate
Hull unit maintenance points
The zinc plate attached
near the transducer must
be replaced every year.
The junction between the
main shaft and transducer
may corrode, which may
result in the loss of the
transducer or water
leakage in the vessel.
Apply MOLYTONE grease
#2 (or equivalent)
every six months.
Raise transducer and coat main
shaft with DAPHAECOROAEX #2
(or equivalent) every six months.
Dry dock ship and clean
transducer face yearly.
Apply single coat of
"MARINE STAR 20 Mod
(Red-N)" (or equivalent)
anti-foulant to transducer
face to keep marine life off
the transducer. Do not use
solvents to clean the trans-
ducer and do not paint the
transducer face.
HULL UNIT