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In winter, many customers need to repair and maintain the pump truck. Today, it is a batch of Sany Heavy Industry concrete pump truck, which needs to replace the delivery cylinder.

The pump truck arrived at about 8 or 9 a.m. according to the customer, it has been blocked for six or seven hours. Due to the cement in the cylinder, it is not easy to unload the pump by using the unloading hopper. It takes another forklift driver to carry out the operation. It took a whole morning to remove the conveying cylinder and S pipe. Modashuang, together with other service engineers, first pumps the cement in the delivery tank and then the S pipe.
Due to the damage of the air pick in the workshop, only the electric pick can be used. The power of the equipment is small, which leads to the slow construction progress. When the electric pickaxe can't work normally, you need to chisel it to the depth slowly, and then use a longer steel bar to weld the electric pick longer. Bit by bit, if your hands are numb, change someone to continue. Three service engineers take turns to fight, and it takes more than a day to get it through. Both hands are numb. The black anti smash shoes are covered with dust, but they have no complaints at all.
The final cylinder change process is relatively smooth. After changing the cylinder, the operation is similar to that of a new car. The cylinders of the previous batch of cars are also made of Tianyuan force, with long service life and reliable quality.