Note DTH drilling rig normal when: (1) The motor should be no abnormal sound, temperature normal. (2) the normal gear, no noise running. (3) According to the rock bottom of the hole situation and ammeter readings, always adjust the drilling rig drilling axial compression brand, turning back to avoid overloading. And when the current exceeds the rated value of used drilling rigs, drilling should be made, check processing normal immediately, in order to continue operations. (4) carriage swing serious, should reduce axial compression. (5) when the pressure is less than 4 kg / cm 2 should stop drilling. Sale of second-hand air compressor, used drilling rigs, leasing, recycling business, contract various DTH drilling drilling project! Kisan Compressor Rental Co., Ltd. Shanxi open hole drill features: 1, the impact of a direct role in drill bits drilling rig, the impact energy is not delivered due to the loss in the brazing rod, solid deep hole drilling speed is affected by small . 2, high-pressure gas discharge slag hole rock bottom, there is little repetition broken phenomenon. 3 hole wall smooth, equal aperture and down, generally does not appear curved holes. 4, low noise face. Shanxi Qishan Compressor Rental Co., Ltd. specializes in the mountains brand, Ingersoll Rand, Sullair, Atlas, Fu Sheng, Hitachi, red rings and other domestic and international brands of air compressor, drill car rental, in addition The company also operates various brands of air compressors and drills used car recycling and sales. Drilling rig manufacturers | Zhengzhou drilling rig | Qishan air compressor air compressor provided by the Shanxi Kisan Leasing Limited. Shanxi Kisan Compressor Rental Co. (www.qskyjzl.com) (www.qskyjzl.com) strong, credible, in Taiyuan, Shanxi compression, separation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead Qishan compressor and you hand into the brilliant, for a better future!