客车门泵漏气,会使压缩空气流失,影响制动效果和乘客门的正常开关,对行车安全不利。因此,如有漏气,应及早排除。下面仅就JT662型客车门泵漏气诊断谈点体会,供参考。 一、突然漏气 行车途中或停车开、关乘客门时,突然听到门泵上方有大量漏气声,压缩空气急剧流失。此为门泵上两供气橡胶管从进接头上冲掉,只需将门泵外盖揭开,将胶管重新套上接头,用铁丝箍 Leakage of the passenger door pump will make the loss of compressed air, affecting the braking effect and passenger door normal switch, adverse traffic safety. Therefore, if there is a leak, it should be ruled out as soon as possible. The following is only JT662-type passenger car pump leak diagnosis point of view for reference. A sudden leak on the way or parked on and off the passenger door, suddenly heard a large number of leaks above the pump door, a drastic loss of compressed air. This is the door pump on the two rubber gas supply pipe from the inlet flushing, just open the door pump cover, the hose re-set on the connector, with wire hoops