Furuno ch250s SONAR User Manual


 
18
When the soundome is painted to keep marine life off the transducer, observe the following
precautions:
Use only anti-fouling paint type MARINE STAR 20 (Manufacture: Chugoku Marine Paint Co.,
Ltd., Japan).
Paint only the plastic portion of the dome. Painting the metal parts causes corrosion.
Paint area
19. Clean surface of gasket, tank flange and shaft sleeve, and then apply THREE BOND 1104
to flange gasket.
20. Apply a slight coat of KINORUSTER to bolts, nuts and washers.
21. Set the hull unit into the retraction tank, taking care not to damage soundome.
Spring washer
Flat washer
Spring washer
Flat washer
Nut
Hex. bolt M10X35
Hex. bolt M20X80
Shaft retainer
Flange gasket
Retraction tank
flange
Shaft sleeve
U-nut
Bow mark