Drive/Propeller Shaft: Testing and Inspection

Inspection

Inspect Flexible Coupling
1. Check the front and rear flexible couplings for cracks or damage.
2. Inspect the flexible coupling centering bushing. If the busing is damaged, replace the propel shaft assembly.




Universal Joint Inspect
1. Check that the spider bearing rotates smoothly.
2. Check that there is no play in the spider bearing if necessary, replace the propel shaft.




Propeller Shaft Runout
1. Install a dial indicator with its needle on the center of front propeller shaft or rear propeller shaft.
2. Turn the other propeller shaft slowly and check the runout. Repear this procedure for the other propeller shaft.

Front Propeller Shaft Runout :0.3mm (0.012in.)





Rear Propeller Shaft Runout :0.3mm (0.012in.)




3. If the runout on either propeller shaft exceeds the service limit, replace the propeller shaft assembly.