INSPECT FLEXIBLE COUPLING
Check the front and rear flexible couplings for cracks or damage.
Inspect the flexible coupling centering bushing.
If the bushing is damaged, replace the propeller shaft with center bearing assembly.
INSPECT PROPELLER INTERMEDIATE SHAFT
Using a dial indicator, measure the runout of the intermediate shaft.
| Maximum runout |
|---|
| 0.8 mm (0.0315 in.) |
Note
The dial indicator must be set at a right angle to the center of the intermediate shaft.
If the shaft runout exceeds the maximum, replace the propeller shaft with center bearing assembly.
INSPECT PROPELLER SHAFT ASSEMBLY
Using a dial indicator, measure the runout of the propeller shaft.
| Maximum runout |
|---|
| 0.8 mm (0.0315 in.) |
Note
The dial indicator must be set at a right angle to the center of the propeller shaft.
If the shaft runout exceeds the maximum, replace the propeller shaft with center bearing assembly.
INSPECT UNIVERSAL JOINT SPIDER ASSEMBLY
Check that the spider bearing rotates smoothly.
Check that there is no play in the spider bearing.
If necessary, replace the propeller shaft with center bearing assembly.
INSPECT NO. 1 CENTER SUPPORT BEARING ASSEMBLY
Turn the center support bearing by hand in the rotating direction.
Check the center support bearing turns smoothly, and check that the seals are not cracked or damaged.
If the center support bearing is damaged or worn, or does not turn smoothly, replace it.