一、手扳葫芦在使用之前，要看清它的额定吨位，确保在起吊货物时能够正常运转，避免对机械本身的损坏，或造成其他利益损失。 A, lever hoist before use, to see its rated capacity, ensure that can operate properly when lifting goods, avoid damage to the machine itself, or other benefits. 二、在进行起重作业时要规范操作，严格按照使用手册来固定、试运行、起吊货物，这样使用既能提高工作效率，又能延长葫芦的使用寿命。 Second, in the lifting operation to standardize the operation, in strict accordance with the manual to fixed, commissioning, lifting goods, such use can not only improve the work efficiency, and can prolong the service life of the gourd. 三、手扳葫芦是严禁用来吊人的，用户千万要注意这一点、不要抱有侥幸心理，如果发生发生安全事故将是难以挽回的。 Three, lever hoist is forbidden to hang people, users must pay attention to this point, do not hold fluky psychology, in the event of safety accidents will be irreparable.