Make the sewing machine run idle for approximately 30 seconds after adjusting with the adjust pin, insert a sheet of paper for confirming the oil amount (oil spots) from the direction of arrow mark, and confirm that the amount of oil is adequate.

• 用油量调节销调整后，请进行30秒左右的空运转，按照箭头方向插入确认油量(油迹)专用纸确认油量是否适量。