Important: Do not replace missing balance weights or straighten a bent tube.
An unbalanced propeller shaft and universal joint assembly may be caused by one or more of the following conditions:
| • | Missing balance weights |
| • | Bent, dented, or damaged tubing |
| • | Worn slip spline inboard type |
| • | Foreign material on the propeller shaft tubing or the end yokes |
| • | Improperly installed propeller shaft and universal joint assembly |
| • | If one or more of these conditions exist clean and inspect the propeller shaft assembly and replace as nessesary. |