Inspection Procedure 2: Noise and Vibration at High Speed

INSPECTION PROCEDURE 2: Noise and Vibration at High Speed

DIAGNOSIS

STEP 1. Check the propeller shaft run-out.
1) Remove the propeller shaft.





2) Measure the propeller shaft runout.

Limit: 0.5 mm (0.02 inch)

Q: Is the measured value within the limit?
YES: Go to Step 2.
NO: Replace the propeller shaft. Then go to Step 2.

STEP 2. Retest the system.

Q: Is the abnormal noise eliminated?
YES: The procedure is complete.
NO: Recheck from Step 1.