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CHK
LOWER UNIT
ADJ
2. Fill:
•
Gear oil
(with the specified amount of the
recommended gear oil)
Recommended gear oil
Hypoid gear oil, SAE #90 (API GL-4)
Oil capacity
320 cm
Filling steps
(1) Place the outboard in an upright posi-
tion.
(2) Insert the gear oil tube into the drain
hole and slowly fill the gear oil until oil
flows out of the check hole and no air
bubbles are visible.
(3) Install the gear oil level check screw
and then quickly install the gear oil
drain screw.
CHECKING THE LOWER UNIT (FOR
AIR LEAKS)
Check:
•
Lower unit holding pressure
Pressure drops → Check the seal and
components.
Lower unit holding pressure
100 kPa (1.0 kg/cm
10 seconds
Checking steps
CAUTION:
Do not overpressurize the lower unit.
Excessive pressure may damage the oil
seals.
(1) Remove the gear oil level check screw.
(2) Install the pressure tester into the check
hole.
Leakage tester
90890-06762
(3) Apply the specified pressure.
(4) The lower unit should hold the speci-
fied pressure for 10 seconds.
3-21
3
(10.8 US oz, 11.3 lmp oz)
2
, 14.5 psi) for
E
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