Look at the attached picture and notice that the retaining ring is still on the spline shaft. This spline shaft couples a torque convertor/motor into the top of a gear reducer. Sitting in the top of the gear box it is flush to the bottom. However, when assembling the torque convertor/motor assembly on top of this spline shaft there is roughly ½” of play upward that this spline can navigate towards. The retaining ring per the manufacturer of this equipment is supposed to prevent this spline shaft from coming into contact with the bolt that is securing the torque convertor to the bottom of the electric motor. How in the world can this spline shaft be forced upward to cause this much damage in only 3 months roughly with the retaining ring still in place? We have spoken to the manufacturer who is in Italy and did not get much help. They actually suggested we turn over this spline shaft and insert it in upside down which we were originally told by them to never do this. I guess my real question is how or what is causing this shaft to navigate up in the first place and then to cause so much damage to this spline?
Any help or advise would be appreciated at this time or feel free to send me to someone else you may know who might be able to help.
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