When the class is turned on, first check the main parts, how to get light and heavy, whether there is any special sound, whether the needle is normal, etc. If abnormality is found, it should be repaired in time.
How to maintain the computer car
When starting work, first check the main parts, how to deal with the situation, whether there is any special sound, whether the needle is normal, etc. If abnormal phenomena are found, it should be repaired in time. After getting off work, first turn off the power, insert the needle into the pinhole plate, lift the presser foot, and cover the machine head with the hood to invade the dust. Remove the screws between the needle plate and the feed dog, remove the cloth, dust, and add a small amount of clothing oil. The shuttle bed is the core of the sewing machine and the most prone to failure. Therefore, always remove dirt and add a small amount of sewing oil. Also, the surface of the sewing machine and the parts inside the panel should be cleaned regularly, etc., and then leave!
The computer is continuously used to maintain and maintain the machine, and use good sewing oil to refuel. When the oil quantity is less than one-sixth, you should refuel in time but don't fill it up (add three-quarters of it). If the oil is added once every two or three months, it should be added after one to two weeks. Once the oil is used, the machine should be idling for one revolution, so that the oil is fully wetted and the excess oil is removed. Then clean the machine head and the table surface with a clean soft cloth to avoid staining the sewing material. Then thread the quilted rag, use the movement of the sewing thread to wipe out the excess oil traces, until there is no oil on the rag, to achieve the lubrication effect, and then the goods. After one or two years of use of the machine, an overhaul is required. If it is found that the parts are worn out, it is necessary to replace the new ones to make the computer run more stable.
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