3-20
E
INSP
ADJ
LOWER UNIT/GENERAL
CHECKING THE LOWER UNIT
(FOR AIR LEAKS)
3
Check:
• Lower unit holding pressure
Pressure drops → Check the seals and
components.
Checking steps
CAUTION:
Do not overpressurize the lower unit.
Excessive pressure may damage the oil
seals.
(1) Remove the gear oil level check screw.
(2) Install the pressure tester into the
check hole.
(3) Apply the specified pressure.
NOTE:
The lower unit should hold the specified
pressure for 10 seconds.
Lower unit holding pressure
100 kPa (1.0 kg/cm
2
, 14.2 psi)
Pressure tester
YB-35956 / 90890-06762
3350
GENERAL 3
CHECKING THE ANODES 3
Check:
• Anodes 1
• Trim tab 2
Scales → Clean.
Grease/oil → Clean.
Excessive wear → Replace.
CAUTION:
Do not oil, grease or paint the anode, or it
will not operate properly.
1
1
2
3360
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