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1.Hold the tube of propeller
shaft by one hand, and apply force by the other hand to the
flange yoke or sleeve yoke in rotative direction, axial
direction, and perpendicular direction for checking
looseness.
2.If looseness is recognized, perform
service work or replace the propeller shaft with a new
one.
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Perform grease-up with a grease
gun, and check the grease ejected from the oil seal when
grease-up is completed.
Judgement
standard
- If blackish grease is evenly ejected from the
oil seal periphery, it is normal.
- If non-discoloured grease is ejected from the
specific area (partially), the grease amount is
insufficient and the oil seal is worn. Perform
service work or replace the propeller shaft with
a new one.
- If the white cloudy grease is ejected, water has
been mixed in grease. Perform service work or
replace the propeller shaft with a new
one.
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