What are the main points of maintenance of the sewing machine?

Cleaning method

(1) Cleaning of feeding teeth: Remove the screw between the needle plate and the feeding teeth, remove the cloth wool and dust, and add a small amount of sewing machine oil.

(2) Cleaning of shuttle bed: The shuttle bed is the core of sewing machine work, and it is also the place where the most prone to failure. Therefore, it is necessary to 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 of the panel should be cleaned frequently and kept clean.

Refueling lubrication method

(1) Refueling parts: each oil hole on the machine head, lubricating the upper shaft and the parts connected to the upper shaft; The parts in the panel and the moving parts connected by each part; Lubricate the presser bar and needle bar and the parts connected to them; Clean the moving parts of the lower parts of the machine plate and add less oil.

(2) Precautions for maintenance of sewing machine: After the work is completed, insert the needle into the pinhole plate, lift the presser foot, and cover the head with the machine to prevent dust intrusion; When starting work, first check the main parts, the weight of the steps, whether there is any special sound, whether the needle is normal, etc. If abnormal phenomena are found, they should be repaired in time. After the machine has been used for a long time, to carry out a major repair, such as the discovery of large wear parts, to replace the new.

Refueling and lubrication

Special sewing machine oil must be used. The sewing machine should be oiled once after continuous use * * * or several days. If the sewing machine is oiled between uses, the machine should be idling for a period of time to fully soak the oil and throw out the excess oil, and then the machine head and table top should be wiped clean with a clean soft cloth to avoid soiling the sewing material. Then thread the thread to sew the rag, wipe it with the movement of the sewing thread, throw out excess oil stains until there are no oil stains on the rag, and then formally sew it.

Refueling Position

(1) The oil holes on the machine head lubricate the upper shaft and the parts connected to the upper shaft.

(2) The internal parts of the panel and the movable parts connected by each part. Lubricate the presser bar and needle bar and the parts connected to them.

(3) Clean the moving parts of the lower parts of the machine plate and add less oil.

The amount of refueling for each refueling hole and refueling part need not be too much, just one or two drops.

Maintenance sewing machine should also pay attention to the following points:

(1) After the work is completed, insert the needle into the pinhole plate, lift the presser foot, and cover the machine head with the machine to prevent dust intrusion.

(2) When starting to work, first check the main parts, the weight of the steps, whether there is any special sound, whether the needle is normal, etc. If any abnormal phenomenon is found, it should be overhauled in time.

(3) After the machine has been used for a long time, an overhaul should be carried out. If parts with greater wear are found, new ones should be replaced.