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LOWER UNIT
CHECKING THE LOWER UNIT
(FOR AIR LEAKS)
1. Check:
• Lower unit holding pressure
Pressure drops
components.
Lower unit holding pressure:
100 kPa (1.0 kg/cm
seconds
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.
Pressure tester:
90890-06762
(3) Apply the specified pressure.
(4) The lower unit should hold the
specified pressure for 10 seconds.
3-22
E
Check the seals and
2
, 14.2 psi) for 10
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