(1) Cleaning of the feed dog: Remove the screw between the needle plate and the feed dog, remove the cloth 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 work and the most prone to faults. Therefore, always remove dirt and add a small amount of sewing machine oil.
(3) Cleaning of other parts: The surface of the sewing machine and the parts inside the panel should be cleaned frequently and kept clean.
The lubrication method of the sewing machine:
(1) Refueling parts: each oil hole on the machine head, the parts that lubricate the upper shaft and the upper shaft; the parts in the panel and the moving parts connected to each part; the lubricated presser foot and the needle bar and the components connected thereto; Wipe the area of the lower part of the board and add less oil.
(2) Precautions for maintenance of the sewing machine: After the work is finished, insert the needle into the pinhole plate, lift the presser foot, and cover the machine head with the machine cover to invade the dust. When starting work, check the main machine first. Pieces, how to get light and heavy, whether there are special sounds, whether the needle is normal, etc. If abnormalities are found, they should be repaired in time; after the machine has been used for a long time, it is necessary to carry out an overhaul, such as finding more worn parts. , to replace the new one.
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