The test solution is to sense light shine, put the coil with the plate, a long red light when taking iron, brake rod fall automatically is normal.

测验办法是，地感红灯闪耀时，用铁板放在线圈上，红灯长亮时取走铁板，闸杆主动落下则正常。

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Then, in view of the actual operation for pumping problems such as the belt, broken rod, rod case of cards brake and so on in a depth discussion and analysis, and proposed solution to the problem.

再针对抽油机在实际运行中出现的问题，对断带、断杆、抽油杆遇卡和刹车等进行深入的讨论与分析，提出问题的解决方案。

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In the car air brake system the imbalance of the push rod stroke can cause the loss of breaking force and the decrease of breaking torque.

影响制动气室伸出推杆行程的因素很多，其中消除蹄鼓之间的间隙所产生的行程为主要因素。

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