Page 12 of 18
Date: 2019-02-12
• Open Ball Valve piston, lower sensor unit.
• Tighten up the 2 x screw M8, Item (31).
• Open Sea Valve, lower sensor unit and
Extension Tube.
• Rotate the Extension Tube to align the
sensor to point forward (ahead), (only
needed for Speed Log).
• Use the attened area on the Extension
Tube to nd correct direction. (See g.
8 Final Assembly.