Checking The Lower Unit For Air Leakage - SELVA MARINE Grey Whale 200 EFI Service Manual

CHK
ADJ
2. Place a drain pan under the gear oil drain
hole, remove the gear oil drain screw
1, then the gear oil check screw 2 and
let the oil drain completely.
3. Check the oil for metal and discoloration,
and check its viscosity. Check the inter-
nal parts of the lower case if necessary.
4. Insert a gear oil tube or gear oil pump
into the drain hole and slowly fill the gear
oil until oil flows out of the check hole and
no air bubbles are visible.
3-15
Periodic check and adjustment
Recommended gear oil:
Hypoid gear oil
API: GL-4
SAE: 90
Gear oil quantity:
Regular rotation model:
3
1,150 cm
(38.9 US oz, 40.6 Imp oz)
Counter rotation model:
3
1,000 cm
(33.8 US oz, 35.3 Imp oz)
5. Install new gaskets and the gear oil
check screw 2, and quickly install the
gear oil drain screw 1, and then tighten
them to the specified torque.
Gear oil check screw 2 and drain
screw 1:
9 N·m (0.9 kgf·m, 6.6 ft·lb)
Checking the lower unit for air
leakage
1. Remove the gear oil check screw 1, and
then install the special service tool.
Leakage tester: 90890-06840
2. Apply the specified pressure to check
that the pressure is maintained in the
lower unit for at least 10 seconds.
CAUTION:
Do not over pressurize the lower unit, oth-
erwise the oil seals may be damaged.
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