6-10
Lower Unit
4st 25/30 2022
4
1 Split Pin
2 Propeller Nut
3 Washer
4 Propeller
5 Thrust Holder
3. Inspection Items
•
Before removing or installing the propeller,
be sure to disconnect the battery cables
from the battery, then remove the stop
switch lock plate.
•
When removing or installing the propeller,
do not handle the propeller with your bare
hands.
•
Put a wooden block or similar object
between the anti-ventilation plate and
propeller when removing or installing the
propeller.
1) Draining Gear Oil
1. Drain the gear oil. Refer to “Replacement of Gear Oil” in
Chapter 3.
2) Removal of Propeller
1. Shift the gear into forward (F).
•
Drain all gear oil, and check for metal particles
in the drained oil.
•
Check the gear oil color. A white or cream color
may indicate that the gear oil is contaminated
by water.
•
Take note of the points above and use them
as a reference to check the disassembly and
to check for damage to the gear, oil seals,
gaskets, etc.
2. Put a wood block or the like between the anti-ventilation
plate and propeller 4 to prevent the propeller 4 from
accidental rotation. Pull out the split pin 1, loosen the
propeller nut 2, and then remove the propeller 4.
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