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1. The newly-purchased pneumatic pavement breaker is coated with anti-rust grease with high viscosity, and must be disassembled clearly before use. When reassembling, lubricate the surfaces of moving

Pneumatic pavement breaker is one of the most commonly used attachments for excavators, and crushing operations are often required in demolition, mining, and urban construction. If the usage method of

In order to improve the production process of the products and help the high-quality development of the enterprise, on April 10, China Coal Group Intelligent Manufacturing Plant newly introduced intel

(1) Before ventilating the air leg rock drill, the handle of the pressure regulating valve should be moved to the "O" position to prevent the air leg from elongating suddenly during the ventilation an

Matters needing attention in the maintenance and maintenance of air leg rock drills (1) Before using the new machine of the air leg rock drill, it is necessary to disassemble and clean the internal p

In the afternoon of March 28, Deputy Mayor of Jining Municipal People's Government, Secretary of the Party Committee and Director of the Municipal Public Security Bureau, Li Haiyang, Deputy Secretary-