1. Cleaning the feed dog: remove the screw between the needle plate and the feed dog, remove the cloth lint and dust, and add a small amount of sewing machine oil.
2. Cleaning of the shuttle bed: The shuttle bed is the core of the sewing machine's work and the most prone to failure. Therefore, it is necessary to frequently remove dirt and add a small amount of sewing machine oil.
3. Cleaning of other parts: The surface of the sewing machine and all parts in the panel should be cleaned frequently and kept clean.
How to lubricate the sewing machine:
1. Lubricating parts: the oil holes on the machine head, the lubricating upper shaft and the parts connected to the upper shaft; the parts in the panel and the movable parts connected to each part; the lubricating foot bar and the needle bar and the parts connected to it; the machine board Wipe the movable part of the lower part and add less oil.
2. Matters needing attention in maintaining the sewing machine: After the work is completed, insert the needle into the needle hole plate, raise the presser foot, and cover the machine head with a machine cover to prevent dust intrusion; when starting work, check the main parts first , How is the stepping on, whether there is a special sound, whether the needle is normal, etc., if an abnormal phenomenon is found, it should be overhauled in time; after the machine has been used for a long time, a major overhaul should be carried out, if more worn parts are found, It needs to be replaced with a new one.
