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 drill shaft pressure, turn back to avoid overloading. When the current exceeds the rated value, should be immediately put hand drill rigs for sale, after normal check processing, 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 DTH drill rig access deputy: (1) when the main drill pipe into the hole, turning mechanism reaches the lower end of the carriage, should stop drilling. (2) repeatedly lifting drill (about 1 meter), after blowing the hole bottom rock powder, for the wind to stop, then stop the exhaust fan. (3) decreased drilling rig used to sell the main drill pipe wrench upper port is located above the solder care of about 30 to 40 mm where the sale of second-hand rig manufacturers, meaning wrench inserted. (4) the start button jog reverse rotation mechanism used drilling rigs for sale opportunities, so that reverse rotation mechanism 90, the main drill and rotary. Sale of second-hand air compressor, used drilling rigs, leasing, recycling business, contract various DTH drilling drilling project! Compressor Rental Co., Ltd. Shanxi Kisan hand rig sale | Used rig sale | 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! You can also access (www.qskyjzl.com/supply_details_38389335.html), for more information about the company.