Issue link: https://docs.hic.us/i/445658
222 Chapter 11 Maintenance [How to lubricate to needle bar] a. Remove the screws at two spots. b. Lubricate the needle bar in the state that the face cover is lifted up. Screw ↓Play a video To close the video, scroll down to the next page. If the video cannot be played after pressing a play button, follow the indicated message to install Adobe Flash Player. Middle row of needle bar case Lower row of needle bar case Lubricate by the oiler with its tip attaching the nozzle. Nozzle RR01