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    加长臂挖掘机使用和维护时应注意

        工程机械变速器一般有机械变速器和液力变速器两?#20013;?#24335;,应用得最多的为动力换档液力变速器,其中动力换档液力变速器由变矩器和变速器组成,而变速器由变速齿轮、液压控?#39057;?#22810;片式摩擦离合器、操纵阀等部件组成,动力换档液力变速箱是一个复杂的传动系统,?#26102;?#36895;器的安装、使用和维护均有严格的要求和规范。用户在变速器的使用和维护时应注意以下几点:
    1. 变速器工作前应按规定油品加油并检查油位,注意必须将发动机控制在怠速(约1000r/min)工况,变速器在规定工作温度时检查油面高度,检查油面时,应采取安全措施,防止车辆滚动或滑动,保证安全;

    2. 启动发动机时,应将变速器置于空档,车辆起步前须松开停车制动器;

    3. 应在规定的换档速度范围内作升?#26723;?#25805;纵;

    4. 变速器工作时应注意操纵阀的工作压力,当压力低于或高于规定压力时,应停车检查,防止变速器内零件损坏;

    5. 一般变速器的正常温度在80℃~110℃,变矩器的出口油温最大不得超过120℃,如超过120℃,需停车检查外部是否漏油,并且将发动机控制在1200~1500r/min,把变速器置于空档,这时温度应很快(2~3min)降至正常值,否则系统有问题,应排除?#25910;?#21518;方可继续使用;

    6. 应根据使用?#24471;?#20070;定期进行维护保养,每班作业前应检查变速器的油位,应按规定的时间定期清洗(或更换)滤清器、清洗油底壳,按规定时间换新油,每次换油必须同时更换滤清器。

     

    加长臂挖掘机使用和维护时应注意


    版权所有:济南通达工程机械修理厂 All rights reserved    公司地址: 济南市槐荫区段店镇宋庄25号    公司邮箱: [email protected]
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