Checking The Lower Unit For Air Leakage; Checking The Propeller; General; Checking The Anodes - Yamaha F2.5A Service Manual

CHK
ADJ
Checking the lower unit for air
leakage
1. Remove the 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.
NOTE:
Cover the check hole with a rag when remov-
ing the pressure/vacuum tester from the
lower unit.
Lower unit holding pressure:
100 kPa (1.0 kgf/cm
3. If pressure drops below specification,
check the drive shaft and propeller shaft
oil seals for damage.

Checking the propeller

1. Check the propeller blades and splines
for cracks, damage, or wear. Replace if
necessary.
3-11
Periodic checks and adjustments
2
, 14 psi)

General

Checking the anodes

1. Check the anodes for scales, grease, or
oil. Clean if necessary.
CAUTION:
Do not oil, grease, or paint the anodes,
otherwise they will be ineffective.
2. Replace the anodes
eroded.
3
if excessively
69M3E11