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
on
p.
199.
Overheated
lubricant will give the lubricant 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 Ultra-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 lubri-
cant drain/fill plug and new seal. Tighten them to a
torque
of
114
in.
Ibs
. (13 N·m).
004363
LEAK TEST
Drain lubricant before testing.
STEP 1
GEARCASE
LEAK TEST
Install lubricant drain/fill plug and seal, thread
pressure test gauge fitting and
seal
in
lubricant
level hole.
Pressurize 3 to 6 psi
(21
to 42 kPa).
If pressure gauge indicates leakage, submerge
the gearcase
in
water to determine source
of
leak-
age.
If the gearcase pressure gauge does not indicate
leakage, increase pressure to
14
psi
(100 kPa).
Check for
leakage.
Make necessary repairs and repeat test.
IMPORTANT:
Do
not exceed pressure
of
15.5
psi
(110
kPa) or damage to oil seals will result.
TYPICAL
34924
199
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