Checking Propeller - Yamaha F20A Owner's Manual

EMU00388

CHECKING PROPELLER

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You could be seriously injured if the
engine accidentally starts while you are
near the propeller.
8 Before
installing the propeller, remove the
210011 spark plug caps from the spark plugs.
Also, put the shift control in Neutral,
put the main switch in the "OFF" posi-
tion and remove the key, and remove
the lanyard from the engine stop
switch. Turn off the battery cut-off
switch if your boat has one.
8 Do not use your hand to hold the pro-
peller when loosening or tightening the
propeller nut. Put a wood block
between the cavitation plate and the
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propeller to prevent the propeller from
turning.
EMU00390
Propeller Checking Point
8 Check each of the propeller blades for
wear, erosion from cavitation or ventila-
tion, or other damage.
8 Check the splines for wear and damage.
8 Check for fish line winding around the
propeller shaft.
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8 Check the propeller shaft oil seal for
damage.
4-25
inspecting, removing
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