PROPELLER SHAFT 12 4. Place a solid plug on the upper bearing assembly and press it through to release the lower bearing assembly. 5. If the bearing assembly will not pull out by hand after pressing, tap the base of the lug near the bearing assembly to dislodge it. 6. To remove the opposite bearing assembly, turn the yoke over and straighten the cross in the open cross hole. Then carefully press on the end of the cross such that the other bearing assembly moves straight out of the bearing cross hole. INSPECTION 1. Check the U. J. cross for defects like Brinelling and End Galling. 2. Check for excessive looseness across the ends of the bearing assemblies and trunnion this looseness should not exceed 0.15 mm maximum. If found to be more, replace the U. J. cross. 3. Check the shaft for damage, bent tubing or missing balance weights. Make certain there is no buildup of foreign material on the shaft such as undercoat or concrete. If any of these are found then, remove it carefully to avoid damage to the propeller shaft. If shaft is found bent, damaged replace it. 4. Check for run out. 5. Check tube for ovality.
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