Lower Unit; Checking The Gear Oil Level; Changing The Gear Oil - SELVA MARINE Blue Whale 250 EFI Service Manual

CHK
ADJ
3. If necessary, add sufficient fluid of the
recommended type until it overflows out
of the filler hole.
Recommended PTT fluid:
ATF Dexron II
4. Install the new O-ring and reservoir cap,
and then tighten the cap to the specified
torque.
Reservoir cap:
7 N·m (0.7 kgf·m, 5.2 ft·lb)

Lower unit

Checking the gear oil level

1. Fully tilt the outboard motor down.
2. Remove the check screw 1, and then
check the gear oil level in the lower case.
NOTE:
If the oil is at the correct level, a small
amount of oil should overflow out of the
check hole when the check screw is
removed.
3. If necessary, add sufficient gear oil of the
recommended type until it overflows out
of the check hole.
Recommended gear oil:
Hypoid gear oil
API: GL-4
SAE: 90
4. Install the new gasket and check screw,
and then tighten the screw to the speci-
fied torque.
3-13
Periodic check and adjustment
1
S60V3320
Gear oil check screw:
9 N·m (0.9 kgf·m, 6.6 ft·lb)

Changing the gear oil

1. Tilt the outboard motor up slightly.
2. Place a drain pan under the drain screw
1, remove the drain screw, then the
check screw 2 and let the oil drain com-
pletely.
3
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.
6P23H11