Computer tricks machine easy-to-wear parts, what does? Include the following: needle bar, needle bar sets, presser foot, chopping boards, belts, ball, solenoid valves, electrical valves, pause switch. In order to prevent these vulnerable parts wear, customers can use the process to pay attention to several aspects of machine maintenance, second, intermittent use of the machine, maintenance on a regular basis to the machine refueling, red hole place have to refuel colleagues orbit can be added to the amount of butter, thus reducing the friction and prolong the service life of the track, and the intermittent use of the machine do not use the machine, try to shut down. Colleagues will not last a few days off. Computer sewing with the car need maintenance, the majority of customers want to take good care of the machine so that the machine more durable.