Chk Adj; Checking The Lower Unit For Air Leakage; Checking The Propeller; General - Yamaha F15B Service Manual

CHK
ADJ
5. Install the check screw, quickly install the
drain screw, then tighten them to the spec-
ified torque.
Check and drain screw:
9 N·m (0.9 kgf·m, 6.6 ft·lb)
Checking the lower unit
for air leakage
cC
Do not over pressurize the lower unit, oth-
erwise the oil seals may be damaged.
1. Remove the check screw 1, then install
the special service tool.
Leakage tester: 90890-06840
2. Apply the specified pressure to check
whether the lower unit can hold it for at
least 10 seconds.
Lower unit holding pressure:
100 kPa (1.0 kgf/cm
3. If pressure drops below specification,
check the drive shaft, propeller shaft oil
seals, shift rod, and drain screw for dam-
age.
3-13
Periodic checks and adjustments
1
6D430300
2 , 14 psi)

Checking the propeller

1. Check the propeller blades and splines
for cracks, damage, or wear. Replace if
necessary.

General

Checking the anode

1. Check the anode for scales, grease, and
oil. Clean if necessary.
cC
Do not oil, grease, or paint the anode, oth-
erwise it will be ineffective.
2. Replace the anode if excessively eroded.
6D430335
6D45F11