Multi-function sewing machine use points and old sewing machines have very big different, beginners need to have a machine and running-in process. According to introducing, just started to use a sewing machine to start with the practice of threading and seam line, realize the foot to pedal speed to cooperate. Linear skilled practice after needle, sewing pattern, the last is overlock.

Multi-function sewing machine use points and old sewing machines have very big different, beginners need to have a machine and running-in process. According to introducing, just started to use a sewing machine to start with the practice of threading and seam line, realize the foot to pedal speed to cooperate. Linear skilled practice after needle, sewing pattern, the last is overlock. If started to try the operation of the high difficulty, it is easy to appear broken needle, bolt.

Daily maintenance of sewing machine also don't ignore. The use of the right is a very good maintenance. Second, when lowered the presser foot, needle don't walk is empty. In addition, to clear in time the bottom spindle position at ordinary times, dirt on the machine wear is very big, clean up after two drops oil lubrication, should also come on to the nose of the needle bar parts regularly.

Jumpers often appears in normal use process, the problems such as broken needle can detect, completely can solve small problems.

Jump line: first of all, use undeserved cause bent needle can cause jump line, at this point it is ok to replace the needle; Needle bar dislocation move is also likely to lead to jump line, had better ask professional maintenance; Can also cause a jump line, sewing stretch fabric at this point in the special elastic needle, or under the fabric covered a layer of newspaper, the paper tore off after sewing.

Broken needle: exchange pattern clockwise will swing, as if the needle without lift on the cloth, it is easy to cause breakage, bolt. If the needle to be of poor quality, will be broken needle, can be directly replaced.

Tangled lines: this is caused by online is too loose. On-line adjusting knob should be used first tighten online, should also check the thread line have the film into the thread clamp.