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原文
Plunger valve output flow or lack of oil output (1) insufficient inhalation. The reason is the resistance of suction pipe on the road is too large or fill fuel shortage. If the speed of the valve is too large, the tank liquid level is too low, into the pipeline leak, oil filter blockage. (2) excessive leakage. The reason is the valve clearance is too large, due to poor sealing. Such as the oil pan is equipped with metal fragments, iron and other scratches, face oil spills; variable one-way valve body in sealing surface with the bad, the body and the bearing surface with the oil pan with trachoma or research marks and so on. You can check the hydraulic oil in the valve body, foreign body mixed discriminant valve damaged parts. Variable plunger valve maintenance and troubleshooting (in) (3) the tilt plate angle is too small, a small displacement of the valve, it needs to adjust the variable piston, increasing the swivel angle.
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译文：
柱塞阀输出流量不足或不输出油液　　(1)吸入量不足。原因是吸油管路上的阻力过大或补油量不足。如阀的转速过大，油箱中液面过低，进油管漏气，滤油器堵塞等。　　(2)泄漏量过大。原因是阀的间隙过大，密封不良造成。如配油盘被金属碎片、铁屑等划伤，端面漏油;变量机构中的单向阀密封面配合不好，阀体和配油盘的支承面有砂眼或研痕等。可以通过检查阀体内液压油中混杂的异物判别阀被损坏的部位。变量柱塞阀的维护及故障处理（中）　　(3)倾斜盘倾角太小，阀的排量少，这需要调节变量活塞，增加斜盘倾角。

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