Bearing Replacement
- To remove bearing in drive frame end, detach retainer plate screws and press bearing from frame. If bearing is in good condition, it can be reused. To install bearing, press in with a tube or collar that just fits over outer race. Install new retainer plate if felt seal is hardened or excessively worn.NOTE: All alternators use sealed bearings and no lubrication is needed.
- Replace bearing in rectifier end frame if bearing is damaged. DO NOT attempt to relubricate or reuse bearing. Press bearing from outside of housing toward the inside, using a tube or collar just fitting inside end frame housing.
- To install a new bearing, place a flat plate over bearing and press in from outside toward inside until bearing is flush with outside of end frame. Support underside of end frame with hollow cylinder while pressing in bearing.
- Always install a new seal whenever a bearing is replaced. Press seal in with lip of seal toward rotor, away from bearing. Coat seal lip lightly with oil to aid in later assembly.