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汽车空调维修真空检漏方法

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Post time 2016-3-25 11:48:52 | Show the author posts only Reply Awards |Descending |Read mode
回收或排放完空调制冷剂,启动真空泵,抽真空系统真空度低于-90kPa(相对压力)。
关闭歧管表阀门,停止抽真空,并保持真空度至少15min,检查压力表示值变化:
——如压力未回升,继续进行微小泄漏量的检查
——如压力回升,则继续抽真空,如累计抽真空时间超过30min,压力仍回升,则
可以判定制冷装置有泄漏,应检修制冷装置,并进行微小泄漏量的检查。

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