Changing The Gear Oil; Checking The Lower Unit For Air Leakage - SELVA MARINE Dorado 50 EFI Service Manual

CHK
ADJ
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 check screw, and then tighten
it to the specified torque.
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. Check the oil for metal and discoloration,
and its viscosity. Check the internal 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 checks and adjustments
Recommended gear oil:
Hypoid gear oil
API: GL-4
SAE: 90
Gear oil quantity:
3
430 cm
(14.5 US oz, 15.2 Imp oz)
5. Install the check screw and quickly install
the drain screw, and then tighten them to
the specified torque.
Gear oil check screw and drain
screw:
9 N·m (0.9 kgf·m, 6.6 ft·lb)
Checking the lower unit for air
leakage
1. Remove the check screw 1, and then
install the special service tool.
6C13G11