LUBRICANT
Draining
~
WARNING m
Gearcase lubricant may be
under
pressure
and/or hot.
If plug is removed
from
a
recently operated outboard, take precau-
tions
to
avoid injury.
Remove the
lubricant level plug, then the lubricant
drain/fill plug,
and
drain the lube from the gear-
case into a container. Inspect the lubricant for
metal chips.
:----
1
2
TYPICAL
32396
1.
Lubricant level plug
2.
Lubricant drain/fill plug
The presence
of
metal fuzz
can
indicate normal
wear of the gears, bearings, or shafts within the
gearcase.
Metal chips
can
indicate extensive
internal damage.
Inspection
Inspect the lubricant for water contamination.
Water
can
make the lubricant milky
in
appear-
ance. However, normal aeration
can
also cause
the same appearance.
To
check for water contamination, drain lubricant
into a suitable glass container. Allow the drained
oil to settle for a minimum of one hour to deter-
mine if there
is
an
abnormal amount of water
in
the oil. Some gearcase lubricants are designed to
mix with a
small amount of water from normal
water vapor condensation within the gearcase.
Refer
to
LEAK TEST PROCEDURE
on
p.
260.
GEARCASE
LUBRICANT
Overheated lubricant will have a black color and
burned odor.
Internal gearcase inspection
is
recommended
when
lubricant
is
contaminated or shows signs of
failure.
Filling
Secure the gearcase
in
a vertical position.
Remove the
lubricant level plug
and
the lubricant
drain/fill plug.
Slowly fill
the gearcase with U/tra-HPF gearcase
lube through the drain/fill hole until
it
appears at
the
oil level hole. Filling the gearcase too quickly
can
cause air pockets and the gearcase may not
fill completely.
Clean plug seal
area
and
install the lubricant level
plug
and new seal, then the lubricant drain/fill plug
and new seal. Tighten them
to
a torque of
60
to 84
in.
Ibs.
(7
to
9.S N·m).
TYPICAL
Gearcase
Lube
1.
Oil level hole
DR33673
259
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