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1、挖机的液压泵多为变量柱塞æ܇åQŒå·¥ä½œä¸€å®šæ—¶é—´ä»¥åŽï¼Œæ³µå†…部零件不可避免的产生¼‚¨æŸåQŒé€ æˆå†…漏åQŒå„参数数据不协调,å¯ÆD‡´‹¹é‡ä¸èƒö、æÑa温过高,速度¾~“æ…¢åQŒä¸èƒ½å¾ç«‹è“v高压åQŒæ‰€ä»¥åŠ¨ä½œç¼“慢无力ã€?br />     2、挖掘机上一个重要液压元ä»Óž¼å¤šèµ\分配阀åQŒä¸Šé¢æœ‰ä¸Õd®‰å…¨é˜€ã€äºŒ‹Æ¡é˜€ã€æº¢‹¹é˜€ã€è¡¥æ²šw˜€½{‰ã€‚è‹¥˜q™äº›é˜€æ‰€è®‘Ö®šçš„压力达不到标准压力则导致挖掘无力。另外,若阀杆与阀孔之间因为磨损而间隙过大,阀杆回位不完全、换向不åˆîC½åQŒåˆ™å¤§é‡å†…漏åQŒå¯¼è‡´æµé‡ä¸­‘»I¼Œé€Ÿåº¦¾~“æ…¢ã€?br />     3、挖掘机上的液压泉|œ‰å…ˆå¯¼é½¿è½®æ³µï¼Œè‹¥é‹Éè½®æ܇¼‚¨æŸ˜q‡åº¦å»ºç«‹ä¸è“v一定的压力或é‹Éè½®æ܇上的安全阀讑֮šè¾¾ä¸åˆîC¸€å®šçš„压力åQŒå°±ä¼šå¯¼è‡´æ¶²åŽ‹æ܇始终处于低流量状态,造成‹¹é‡ä¸èƒöåQŒåŠ¨ä½œç¼“慢,压力不èƒöåQŒæŒ–掘无力ã€?br />     4、冷机时一切正常,热机时动作缓慢,挖掘无力åQŒå‡ºçŽ°è¿™æ ïLš„问题表明液压泵内部配件磨损严重ã€?br />     5、挖掘机的另一个主要原因是液压油变质,ž®×ƒ¼šå‡ºçŽ°æ•´æœºå‡ºçŽ°å·¥ä½œ¾~“慢无力现象ã€?br />     遇到¾cÖM¼¼æŒ–掘机无力这¾c»é—®é¢˜æ—¶åQŒéœ€è¦æ£€æŸ¥ã€æ‹†å¸çš„¾_‘Ö¯†éƒ¨äšg比较多,如果是新入行的机手或者åƈ不具备一定的¾l´ä¿®èƒ½åŠ›åQŒé‚£ä¹ˆå¤§å®¶è¿˜æ˜¯è¦è°¨æ…Žæ“ä½œåQŒéœ€è¦å’Œä¸“业的挖机维修师傅沟通ã€?br /> <br /> <img src="/uploads/image/20200421/20200421114340_8986.jpg" alt=" 日立挖机出现无力、液压系¾lŸçš„时候你ž®Þp¦ž®å¿ƒäº†ï¼Ÿ" width="345" height="259" title=" 日立挖机出现无力、液压系¾lŸçš„时候你ž®Þp¦ž®å¿ƒäº†ï¼Ÿ" align="" /><br />     挖掘机液压系¾lŸè¯¥æ€Žä¹ˆä¿å…»åQŸæœ‰æ²¡æœ‰ä»€ä¹ˆå¥½æ–ÒŽ³•åQ?.<br />     一个好的挖掘机跟液压系¾lŸæ˜¯¼›ÖM¸å¼€çš„,而挖机出现问题有¾lå¤§å¯ÒŽ•°æ˜¯ä¸Žæ¶²åŽ‹¾pȝ»Ÿæœ‰å…³¾pȝš„åQŒå› æ­¤åœ¨òqÏx—¶ž®Þp¦å¯ÒŽ¶²åŽ‹ç³»¾lŸè¦ä¿å…»å¥½ï¼Œé™ä½Žæ¶²åŽ‹æ•…障的发生。那挖掘机液压系¾lŸè¯¥æ€Žä¹ˆä¿å…»åQŸæœ‰æ²¡æœ‰ä»€ä¹ˆå¥½æ–ÒŽ³•å‘¢ï¼Ÿä»Šå¤©ç«‹ç‰¹æ¾æŒ–掘机¾l´ä¿®åŽ‚小¾~–来告诉你们åQŒæŒ–掘机液压¾pȝ»Ÿè¯¥å¦‚何保充R€?br />     液压¾pȝ»Ÿä¿å…»<br />     1.选择合适的液压æ²?br />     对于液压¾pȝ»Ÿæ¥è¯´åQŒåœ¨å·¥ä½œ˜q‡ç¨‹ä¸­å¿…不可ž®‘çš„ž®±æ˜¯æ¶²åŽ‹æ²¹çš„支持åQŒè€Œæ¶²åŽ‹æÑa不仅能够å¯ÒŽŒ–机提供动力,˜q˜èƒ½å¾ˆå¥½çš„润滑液压部件和冷却部äšgã€?br />     2.防止¾pȝ»Ÿ˜q›å…¥½Iºæ°”<br />     挖机使用中应当避免液压系¾lŸè¿›å…¥ç©ºæ°”,液压¾pȝ»Ÿ˜q›å…¥½Iºæ°”回事¾pȝ»Ÿçš„性能受到很大的媄响,甚至会出现异响、速度慢等故障åQŒåƈ会ä‹É挖机的工作里下降ã€?br />     3.控制液压æ²ÒŽ¸©åº?br />     若果液压油的温度˜q‡é«˜ž®×ƒ¼šä½¿æ¶²åŽ‹æÑa黏度降低åQŒä‹É其润滑性能变差åQŒè¿›è€Œå¢žåŠ æŒ–掘机液压¾pȝ»Ÿå†…的部äšg受到¼‚¨æŸåQŒæ›´ä¼šåª„响挖机的˜qè¡Œæ•ˆçŽ‡ã€?br />     所以说åQŒä¸€ä¸ªæŒ–掘机的好坏与液压是脱不了关系的,要想挖掘æœø™ƒ½å¤Ÿé«˜æ•ˆçŽ‡å·¥ä½œåQŒä¸Šé¢æåˆ°çš„几点都要注意了,当然除了液压¾pȝ»ŸåQŒå‘动机½{‰éƒ¨ä»¶ä¹Ÿæ˜¯æŒ–掘机保养的重炏V€?br /> <br /> 日立挖掘机无力,动作慢,憋èžR½{‰æŒ–机疑难杂症问题欢˜qŽæ‹¨æ‰“热¾U¿ï¼š15223463988 李师傅äؓ您解½{”问题ã€?br /></p><br /> </div> <div class="newArtiNext mt10"><div>上一æ?<a href="317.html">贵州çŽîC»£æŒ–掘机维修厂_挖掘机无力、憋车维ä¿?/a></div> <div>下一æ?<a href="315.html">ž®æ¾PC200-3型挖掘机工作无力故障的排é™?/a></div> </div> <div class="tag">相关标签åQ?a href="/download/">挖掘机维ä¿?/a>,<a href="/news/wjjwx">挖掘æœÞZ¿®ç?/a>,<a href="/about/about5.html">挖掘机维修厂</a></div> <div class="crumb mt15"> <span class="fl font_w fb fs22">相关新闻<b class="fs14 fn font_i ml5">RELATED NEWS</b></span> </div> <div class="insNews1 clearfix pt10 fs14 font_w"> <ul> <li><a href="/news/326.html" rel="nofollow">挖掘机维修_æ³ëŠš„历史和分¾c Z€”—液压基¼‹€çŸ¥è¯†ä¹‹ä¸€</a><span>2020-07-20</span></li> <li><a href="/news/325.html" rel="nofollow">贵州卡特321挖掘机直接熄ç?加不上æÑa</a><span>2020-07-19</span></li> <li><a href="/news/324.html" 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