Remove the bolt its own weight

China 's northernmost Mohe County , the annual level Average temperature -5 ℃. Even in April, when the spring , Mohe is still cold of minus 20-degree
, Bleak , wind up to eight . SD52-5 in China 's northernmost Mohe County, industrial Test , the validation staff long-term tracking verification , because SD52-5 bulky, body weight, while the right side Final Drive has three times the damage to be overhauled repaired. Concrete mixing plants shortage and lack of basic labor Installation, repair and maintenance operations very difficult. The face of difficulties , validate effective teamwork , with the most rudimentary Equipment, such as rods , nuts, etc. , precast concrete plant air gun made a tool to solve the problem of removing the bolt ; With loaders, excavators exploded instead of driving ...... in the process , at least 60-80 tons The press, but subject to conditions , can only rely on manpower to solve all , so often there will be a few people Hanging in the air , by its own weight Remove the bolt scenes.