Furuno DS-80 Installation Manual page 26

26. Check that all bolts are fastened tightly.
27. Paint the ball valve (20) and the flange (3) the same color as ship's body. Paint only
gray-colored areas; for other parts, seal with masking tape. Remove the tape when the
paint dries.
<How to open/close the ball valve>
To open/close the ball valve, attach the supplied handle to the square projection then change
the stopper position.
1. Remove the fixing plate as shown figure below then pull the shaft assembly up.
2. Attach the supplied handle to the square projection and then turn the handle 90° to change
the stopper position.
3. After opening or closing the ball valve, tighten the
removed nuts until the handle cannot be turned. Also,
remove four bolts (M16) to remove the shaft and the
transducer assembly. After removing the assemblies,
replace the gasket and the gasket CR as shown in
the figure to the right.
20