Checking The Lower Unit For Air Leakage; Checking The Propeller - SELVA MARINE Pike 9,9 Service Manual

CHK
ADJ
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 with
gear oil until oil flows out of the check
hole and no air bubbles are visible.
Recommended gear oil:
Hypoid gear oil
API: GL-4
SAE: 90
Gear oil quantity:
Except for high thrust model:
3
150 cm
(5.07 US oz, 5.29 Imp oz)
For high thrust model:
3
370 cm
(12.51 US oz, 13.05 Imp oz)
5. Install new gaskets and the gear oil
check screw 2, 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.
3-15
Periodic check and adjustment
S6AU3045
Leakage tester: 90890-06840
2. Apply the specified pressure and check
that the pressure is maintained in the
lower unit for at least 10 seconds.
CAUTION:
Do not overpressurize the lower unit, oth-
erwise the oil seals can be damaged.
NOTE:
Cover the check hole with a rag when remov-
ing the special service tool from the lower
unit.
Lower unit holding pressure:
100 kPa (1.0 kgf/cm
3. If the specified pressure cannot be main-
tained, check the propeller shaft, drive
shaft, shift rod, O-rings, and oil seals for
damage. If necessary, check each shaft
for bends and damage.

Checking the propeller

1. Check the propeller blades and splines.
Replace the propeller if cracked, dam-
aged, or worn.
NOTE:
When replacing the propeller, see "Propeller
selection" (1-12) and select a propeller of the
3
same size as originally installed.
2
, 14 psi)
3
6AU3K11