10. MAINTENANCE
10-17
10.11 Hull Unit (for Technicians Only)
The following procedures (outlined in this section) should only be conducted by a qual-
ified technician:
• Hull unit maintenance: section 10.11.1.
• Raising/lowering the transducer: section 10.11.2.
• Testing the brake in the hull unit: section 10.11.3.
10.11.1 Hull unit maintenance
Note:
For how to change the sonar oil, see section 10.4.
Apply MOLYTONE Grease
#2 every six months.
Dry dock ship and clean transducer
face yearly. Apply single coat of
"SEATENDER 20"*
2
anti-foulant to
transducer face to keep marine life
off the transducer. Do not paint
metallic parts such as the
transducer flange.
Replace anti-corrosion
zinc plates yearly.
Replace anti-corrosion
zinc plates yearly.
Replace gasket if water is leaking
from the main shaft.
Coat the drive shaft with Daphne
Grease MP No.2 (IDEMITSU
KOSAN CO.,LTD.*
1
) every six
months.
Raise transducer and coat main
shaft with Daphne Grease MP
No.2 (IDEMITSU KOSAN
CO.,LTD.*
1
) every six months.
*
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
*
2
Equivalent coating:
CHUGOKU MARINE PAINTS, Ltd.: SEA GRANDPRIX 660HS
Summary of Contents for FSV-75
Page 1: ...OPERATOR S MANUAL www furuno com HALF CIRCLE COLOR SCANNING SONAR Model FSV 75 FSV 75 3D ...
Page 78: ...2 SLANT MODE 2 44 This page is intentionally left blank ...
Page 110: ...4 FISH FINDER MODE 4 12 This page is intentionally left blank ...
Page 144: ...5 3D MODE 5 34 This page is intentionally left blank ...
Page 148: ...6 NUMERIC GRAPHIC DATA DISPLAY 6 4 This page is intentionally left blank ...
Page 158: ...7 HOW TO CUSTOMIZE THE SONAR 7 10 This page is intentionally left blank ...
Page 216: ...10 MAINTENANCE 10 28 This page is intentionally left blank ...
Page 234: ...INDEX IN 3 W Warning messages 10 5 X XSECT ON OFF button 5 6 Z Zoom in out 5 4 ...
Page 235: ......