GS Tech Tip: Chain Gear Modification (47-075474-004)

Written By Jerry Smith

The Setting Tale Chain Gear can, through stress, shear the key on the Drive Shaft. A recent modification added two sets screws to attach the gear to the shaft to prevent shearing. However, an optional solution would be to drill a 1/4" hole through the gear and shaft 90 degrees off of the keyway and install a 1/4" roll pin.

Jerry Smith
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