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1农机故障维修(1)巧除黑烟拖拉机常常出现排气冒黑烟,工作无力、冷却水开锅的故障。主要原因是柴油机排气管和消声器积炭严重,致使排气阻力增加,气缸内气排不净,从而导致进气不足,发动机燃烧不充分,功率下降。遇到此情况,只需拆下排气管和消声器,清除积炭,即可排除故障。(2)巧取断螺栓对于折断后还有一段露出机件外部的螺栓,可用一个孔径与断螺栓相近的废螺母,套在折断螺栓的外露部位,用电焊从孔内将螺母与螺栓焊牢,然后用扳手旋出;
1 agricultural machinery maintenance (1) In addition to black smoke exhaust traps often appear black smoke, weak work, cooling water boiling pot failure. Mainly due to diesel engine exhaust pipe and muffler coke serious, resulting in increased exhaust resistance, the cylinder gas row is not net, resulting in insufficient intake, the engine combustion is not sufficient, the power down. In this case, just remove the exhaust pipe and muffler, remove coke, you can troubleshoot. (2) clever to take off the bolt After the break there is a section of the outer part of the bolt exposed, available with a hole diameter and broken nuts similar waste nuts, set in the exposed part of the broken bolt, welding the hole from the nut and bolt , And then use a wrench out;