MARINE PROPELLER JPROP Use And Maintenance Handbook page 17

Variable pitch propellers
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6 - turn the ogival nose towards the "R" or "L" side depending on the type
of the engine (rightway or leftway) and reach the notch of the
desired pitch.
7 - release the ogival nose.
8 - make sure that the reference line "0" matches the desired notch.
9 - make sure that the ogival nose backs itself firmly against the
props body.
10 - If you are sure that you reached the right pitch, reinstall the bronze
"pitch lock" flange in order to lock the ogival nose, but if you plan to
modify it again while the boat is in the water, do not install it now.
11 - put on the bronze ring and the zinc anode.
Attention : when the boat is out of the water the movement of the ogival
nose is easy. When the boat is in the water it takes more time to pull the
ogival nose as water has to fill the void created by the action. Drains are
built into the ogival nose to allow flooding of the void.
15

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