The ring chain electric gourd is the darling of the newly lifted gourd. It is more convenient and fast in use, and the structure is lighter. There are certain skills on the ring chain electric gourd, so that the use of ring chain electric gourds will do more with less. 1. Before using the ring chain electric gourd, you should first check whether the chain is twisted, knotted, and accumulated. The lifting chain must be suspended vertically. The lifting chain and the hook must not be twisted wrongly. , Make the ring chain electric gourd cannot work normally. 2. The ring -chain electric gourd should be hung vertically. 3. Connect the power supply, ground the ground, turn the front and negative once, and check whether the rotation is flexible. 4. Inject about 100g of molybdenum grease into the decelerator. 5. Check whether the upper and lower hooks are in prison, and then start the homework. 6. Observe the card chain at any time during the rising operation; the super limited position is not allowed when the chain is collected or put; the lifting chain is not allowed to be hung on other objects to avoid overloading.