卷闸门的保养和维护问题，
Maintenance and maintenance of rolling gate,
(1)卷闸门门帘和易锈部位，应进行定期防腐、油漆及保养处理，禁止用重物、硬物冲击门面。
(1) The curtain and rusty parts of rolling gate shall be treated with anti-corrosion, painting and maintenance regularly. It is forbidden to impact the door with heavy objects and hard objects.
(2)卷闸门运行时如有发生较大抖动或异常声音时应停机检查，排除有碍门帘正常启闭的杂物。
(2) In case of large shaking or abnormal sound during the operation of rolling gate, it is necessary to stop the machine for inspection and eliminate the impurities that hinder the normal opening and closing of the curtain.
(3)卷闸门操作时，操作者必须站在能看到卷门运行状态的位置进行操作，否则易发生意外而受损。
(3) When the rolling gate is operated, the operator must stand at the position where he can see the running state of the rolling gate, otherwise it is easy to cause accident and damage.
(4)卷闸门底梁座上限位置必须与轴承架下端保持大于200mm的距离，以确保制动停止时不发生冲顶现象。
(4) The upper limit of the bottom beam seat of the rolling gate must be kept more than 200 mm away from the lower end of the bearing frame, so as to ensure that there is no topping phenomenon when the brake stops.
(5)卷门机在运行、滑行、传动等部位应定期检查（至少每年2次），并根据需要及时加油，以保证卷闸门的正常使用。
(5) The operation, sliding, transmission and other parts of the rolling door machine shall be inspected regularly (at least twice a year), and oil shall be added in time as required to ensure the normal use of the rolling gate.
(6)卷闸门在启闭停止过程中，应具备随位停止之功能，不应有停止而继续下滑现象，如发生下滑距离大于50mm的情况出现，应立即对卷闸门控制电器和卷门机制动器进行仔细检查修理，运行正常为止。
(6) In the process of opening and closing, the rolling gate shall have the function of stopping with the position, and it shall not stop and continue to slide down. If the sliding distance is greater than 50 mm, the rolling gate control appliance and rolling gate mechanism actuator shall be carefully inspected and repaired immediately, and the operation shall be normal.