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1液压æ²ÒŽ˜¯å¦èƒö够,‹‚€æŸ¥æŒ–机液压æÑa面和油质是否有水份ã€?br />    2‹‚€æŸ¥æŒ–掘机液压泉|˜¯å¦æ­£å¸¸å·¥ä½œã€‚挖掘机一般有2个或2个以上的ä¸ÀL܇向系¾lŸä¾›æ²V€‚如果不是机械故障造成æ²ÒŽÜ‡ä¸»èáu不能转动åQŒä¸€èˆ¬æ¥è¯´å‡ å°æ܇同时出现故障的概率很低。必要时可以在各æ²ÒŽÜ‡çš„测压口安装量程合适的油压表测定供油压力,来判断是否äؓæ²ÒŽÜ‡æ•…éšœã€?br />    3‹‚€æŸ¥å®‰å…¨é”ç´§é˜€æ•…障。它是位于驾驶室内的一个简单的机械开养I¼ŒæŽ§åˆ¶ä½ŽåŽ‹æ²¹èµ\和驾驶室内的3¾l„PC阀åQˆæ¯”例压力控刉™˜€åQŒå³å·¦ã€å³æ“çºµæ‰‹æŸ„和行走推拉杆åQ‰ä¹‹é—´çš„通与断。当该阀出现卡死或堵塞时åQŒæÑa液不能供¾l™PC阀˜q›è€ŒæŽ¨åŠ¨ä¸»æŽ§åˆ¶é˜€åŠ¨ä½œåQŒå°±ä¼šå‡ºçŽ°å…¨è½¦æ— åŠ¨ä½œçŽ°è±¡ã€‚清‹z—检修安全锁紧阀ã€?</p> <p style="color:#343434;font-family:"font-size:14px;background-color:#FFFFFF;">    3‹‚€æŸ¥è‡ªåŽ‹å‡åŽ‹æ•…障(有先导æ܇的,无此阀åQ‰ã€‚它是位于主控制阀体上的一个调压阀。由于æÑa泵输出的油压旉™«˜æ—¶ä½ŽåQŒä¸åˆ©äºŽä½œäؓ控制油压。自压减压阀则把˜q™ç§ä¸ç¨³å®šçš„油压变成一支始¾lˆæ’定压力的æ²ÒŽµè¾“出到全车的PC阀和电¼‚é˜€å®ŒæˆæŽ§åˆ¶åŠŸèƒ½ã€‚如果自压减压阀出现堵塞或卡死,使主泉|¥æ²¹ä¸èƒ½é€šè¿‡è‡ªåŽ‹å‡åŽ‹é˜€è€Œæ˜¯ä»Žä¸»æº¢æµé˜€å®‰å…¨æ³„掉åQŒåˆ™æŽ§åˆ¶æ²ÒŽµä¸èƒ½˜q›å…¥PC阀和电¼‚é˜€åQŒä¹Ÿæ— æ³•æŽ¨åŠ¨ä¸ÀLŽ§åˆ‰™˜€åŠ¨ä½œåQŒå°±å¿…然出现全èžR不动作的现象。清‹z—检修自压减压阀ã€?</p> <p style="color:#343434;font-family:"font-size:14px;background-color:#FFFFFF;"> <img src="/uploads/image/20200512/20200512091316_2654.jpg" alt="çŽîC»£æŒ–掘机整车没有动作故障(225整èžR大修åQ? width="345" height="259" title="çŽîC»£æŒ–掘机整车没有动作故障(225整èžR大修åQ? align="" /> </p> <span style="color:#343434;font-family:"font-size:14px;background-color:#FFFFFF;">   5‹‚€æŸ¥ä¸»æº¢æµé˜€æ•…障。如果安全锁紧阀和自压减压阀都没有问题,此时要检查主溢流阀。它是位于主控制阀体上的一个安全阀。其作用是限制整个系¾lŸçš„压力åQŒè‹¥­‘…过压力åQŒåˆ™è‡ªåŠ¨å¸åŽ‹åQŒä¿æŠ¤æ•´ä¸ªç³»¾lŸä¸è‡´æŸåã€‚如果该阀弹簧断裂或调定压力过低,ž®†å¯¼è‡´æ•´ä¸ªç³»¾lŸåŽ‹åŠ›è¿‡ä½Žï¼Œä¸ÀL܇压力油不能推动执行元件工作,而从ä¸ÀLº¢‹¹é˜€å…¨éƒ¨æ³„露åQŒå°±å‡ºçŽ°˜q™ç§å…¨èžR无动作现象。判断方法:启动发动机,接通安全锁紧阀åQŒæ“¾U‰|‰‹æŸ„给机器回è{或挖掘动作。由于故障机器不会动作,此时用手触摸ä¸ÀLº¢‹¹é˜€ä½“,若该阀½E›_‡å¾ˆå¿«òq¶çƒ«æ‰‹ï¼Œåˆ™å¯ä»¥æ–­å®šå°±æ˜¯ä¸»æº¢æµé˜€æ•…障。测试、检修、调定主溢流阀ã€?/span><br /> <br /> <span style="color:#343434;font-family:"font-size:14px;background-color:#FFFFFF;">   çŽîC»£æŒ–掘机整车没有动作故障去哪里修?重庆立特杄¡Ž°ä»£æŒ–掘机修理厂更专业åQŒæ‹¥æœ‰ä¸“业维修设备,专业¾l´ä¿®æŠ€å¸ˆï¼Œé€‰ç«‹ç‰ÒŽ¾</span><a 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