Furuno CH-300 SONAR User Manual


 
1. MOUNTING
1-12
4. Fully screw main shaft into the soundome neck, and then unscrew by four
turns. Coat threads with CEMEDINE HIGH SUPER.
Main Shaft
Grasp the soundome neck with a wrench,
and tighten the shaft with a pipe wrench.
Coat threads with CEMEDYNE
HIGH SUPER.
Applying CEMEDINE HIGH SUPER to main shaft
5. Screw in main shaft completely.
6. As shown in the drawing below, confirm that the narrowest gap between the
tank guide, and retraction tank in the range (20 to 170 mm) is within 0.5 mm.
Tank guide
Retraction tank
less than 0.5mm
20 mm (400 travel) -
170 mm (250 travel)
Adjustment range
(
travel) 250 or 400
Tank and tank guide, sectional view