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11. MAINTENANCE, TROUBLESHOOTING
11-2
11.2 Hull Unit Maintenance
Follow the points mentioned below to keep the hull unit in good working order.
Raise transducer and coat main
shaft with Daphne Eponex Grease
No.2 (IDEMITSU KOSAN CO.,LTD.)*
1
every six months.
Apply MOLYTONE grease
#2 every six months.
Dry dock ship and clean
transducer face yearly.
Apply single coat of
"MARINE STAR 20 Mod
(Red-N)" anti-foulant to
transducer face to keep
marine life off the transducer.
Hull unit maintenance
*
1
: Equivalent greases:
• SHOWA SHELL OIL: Shell Albania Grease S No.2
• EXXON MOBIL: Mobilux EP No.2
• NIPPON OIL CORPORATION: Multinox Grease No. 2
CAUTION
Replace anticorrosion zinc plate yearly.
Corrosion between the main shaft and
transducer may result, allowing water leakage
and/or loss of transducer.