Hand -streaming is commonly known as fairy gourd, chain -type bike or inverted chain. It is a manual gourd with chain as a traction part. The rust, cleaning and maintenance of hand -pour gourds are the prerequisite for ensuring the normal work of the hand pour. The rust of the hand pour will directly affect the chain. The safety of lifting operations will be greatly reduced. Long -term corrosion will cause gaps and cracks in the chain, more serious direct breaks, and falling accidents. In addition, the inside of the gourd is also very easy to rust, and the rust will directly affect the performance of the gourd. Rust removal is generally cleaned with kerosene. In severe cases, you need to polish with sandpaper. Crying will be cleaned and cleaned. The cleaning work of the hand -pour gourd must be meticulous in place. The surface chain needs to be wiped with dry cloth. Some internal parts need to use a small brush to clean the dust. After wiping it, it needs to be applied to prevent rust and reduce components. Between friction. If the outer shell is removed, the paint should be replenished in time, which is not only for beauty, but also to prevent the shell from rusting. The maintenance of hand -pour gourd should be timely, detailed, and thorough. It is said that it is necessary to do the necessary maintenance, not to drag again and again, and solve it in time when you find the problem. To be careful, to do a comprehensive, every detail cannot be let go. It is as small as a screw and large to cover. Each parts need to be exquisitely maintained. What is completely said is to achieve all aspects and not allow any details.