MARINE PROPELLER JPROP Use And Maintenance Handbook page 14

Variable pitch propellers
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3 - pull down the Allen key and pull out the lock nut.
4 - insert the Allen key type A in the retaining nut and turn it
counter-clockwise with the help of a metal tube 30/40 cm
(12/16") long.
After the first movement you'll feel an increased opposition due
to the extractor job of the nut.
Keep on unscrewing it till the propeller is detached from the
cone of the shaft.
12
controdado
l
ock nut
1

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