Standard chain hoists each product must be accompanied by a product maintenance manual, production licenses and product certification mark. Two products should be clear and durable signage. 3 Do overload or oblique lifting crane. Ban hanging pull buried or heavy condensation on the ground. 4 hanging chain hoists bearing point must be strong and stable. 5 hanging, tied with a rope and chain safety factor of not less than six non-rebate to the next hook lifting heavy lifting chain hoists 7 allowed to throw. 8 users can not change the original design of the product. 9 Replacement parts must meet the original design requirements. Explosion-proof chain hoists using Rule 1, explosion-proof chain hoists lifting chain should be hung vertically, not a wrong twist of chain link, double under hook rack chain not flip. The operator should stand on the same plane with the inner ring bracelet hands to pull the chain, making bracelets wheel rotates clockwise, you can make the weight increased; reverse hands pulled the chain, noon to slowly decline. When lifting weights, strictly prohibited under heavy loads to do any work or walking hoists to avoid personal injury. 2, explosion-proof chain hoists in the lifting process, regardless of the weight up or down, hands pulled the chain, the force should be uniform gentle HSC chain hoist, do not use too much force, so as not to beat or clasp the hand chain. When the operator is found hand-pull tension greater than normal, you should immediately stop using it. Maintenance method: after use should be cleaned and coated with anti-rust gourd oil, stored in a dry place. Maintenance and repair should be compared with those who were familiar with the hoist mechanism to prevent the performance of the machine do not understand the principles of free disassembly. 3. After cleaning and maintenance proof hoists, chain hoists load test should be carried out wholesale, confirm work hand chain stock, reliable braking can be delivered. Brake friction surfaces must be kept clean. Brakes should be inspected regularly part to prevent brake failure, the occurrence of physical phenomena since the fall. Chain hoists price, Liaoning chain hoists, lifting from Qingyuan Xinyu Xinyu Hoisting Machinery Limited. Qingyuan Xinyu Crane Co. (xyqz0312.1688.com) strong, credible, Baoding in Hebei engineering, construction crane industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Xinyu lifting and you hand into the brilliant, for a better future!