如果螺杆真空泵泵腔内不是干燥的状态，长时间不使用会生锈。再使用时可能就会出现不能正常启动的状况。那么要如何正确除锈呢？
一、人工除锈
人工除锈是既省费用也比较保险的方法。不需要用到化学产品来除锈，因为螺杆真空泵泵腔内部用化学除锈剂的话，泵腔多多少少会受损坏
二、用除锈剂除锈
用除锈剂除锈很干净，但是对螺杆真空泵的泵腔可能会有一定的损坏在使用中如果遇到生锈的情况，可根据实际情况来选择除锈方法。当然，如果能够做好充分的防锈措施才是好的，这样既能保证螺杆真空泵正常使用，也能延长其使用时长。如螺杆真空泵如果闲置长时间内不使用，应把泵腔内的水放出来，并且用干布抹干
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