On 8/30/2020, Vincent Landry in France wrote:
"Refurbishing an early 1500 gearbox and had to change the input bearing. I read your tip to use a clutch plate to hold the splined shaft but did not have any. So I designed a tool and printed it with a 3D plastic printer (PLA plastic with as much infill as possible) to it worked perfectly. See attached a picture of the tool (to slide on the splined shaft and be held in a vice), also the file (.STL) for anyone who wants to print it. --- Best regards, - Vincent Landry

If you have a 3D printer, click to download the tool to hold splined shaft.stl printer file.