Checking The Lower Unit (For Air Leakage); Checking The Propeller; General; Checking The Anodes - Yamaha F50A Service Manual

CHK
ADJ
Checking the lower unit
(for air leakage)
1. Remove the check screw 1, and then
install the special service tool.
È For USA and Canada
É For worldwide
Pressure/vacuum tester: YB-35956-A
Leakage tester: 90890-06762
2. Apply the specified pressure to check
whether the lower unit can hold it 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.
3-19
Periodic checks and adjustments
2
, 14 psi)

Checking the propeller

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

General

Checking the anodes

1. Check the anodes and trim tab for
scales, grease, or oil. Clean if necessary.
S62Y3585
3
62Y3A11