Clean up method:
(1) Feed dog cleaning: Remove the screws between the needle plate and feed dog, remove the cloth, dust, and a small amount of sewing machine oil.
(2) clean the shuttle bed: shuttle bed is the core of the sewing machine work, but also the most prone to failure, therefore, should always remove dirt and add a small amount of sewing machine oil.
(3) other parts of the cleaning: the surface of the sewing machine and the various parts of the panel should always be cleaned and kept clean.
Sewing machine lubrication method of lubrication:
(1) refueling parts: the head of the oil hole, lubricating the shaft and the upper shaft connected components; panel components and parts connected to the moving parts; lubrication presser bar and needle bar and its connected components; machine The activities of the lower part of the board wipe clean and add less oil.
(2) maintenance sewing machine should pay attention to matters: After the work is completed, the needle into the pinhole plate, lift the presser foot, but also cover the machine head with a machine to prevent intrusion of dust; start work, first check the main machine If there is abnormal sound, the needle is normal or not. If abnormal phenomenon is found, it should be repaired in time. After a long time of using the machine, an overhaul should be carried out. If the worn part is found to be large, , To replace the new one.