KB500mAX线机是基层部队常用的医疗装备,使用率高,但由于部队较偏远,机器出现故障很难请专业人员维修。1998～2002年,我们自行检修及成功处理X线机高压交换闸故障2次。1故障1.1故障1Ⅰ球管透视、点片控制台曝光指示红灯亮,毫安表无指示,无X线发生。检查:Ⅱ及Ⅲ球管摄片正常,切 KB500mAX line machine is a commonly used medical equipment of the grassroots units, high utilization rate, but because the troops are more remote, it is very difficult to ask for professional maintenance if the machine fails. From 1998 to 2002, we repaired and successfully dealt with X-ray machine high-voltage switchgear failures twice. 1 fault 1.1 failure 1I tube perspective, point control panel exposure indicator red light, milliammeter no instructions, no X-ray. Check: Ⅱ and Ⅲ normal tube shot, cut