Inverted Grease Zerk Adapter needed for Drive bolt lubrication. You can get these at home depot, auto zone ect.... there is a inverted grease zerk in the center of the drive bolt. Please grease every 20 - 30 full cycles of operation or if running rough. We have attached a video for a better explanation.
https://youtu.be/fblJ4txaZZE?si=8y3OHsBC2WKeEcAd