挖掘機(ji)維修(xiu)技(ji)術雖然“鑰匙M”信(xin)(xin)號系(xi)統(tong)已被(bei)我(wo)們(men)作為(wei)一個(ge)釋(shi)放壓力信(xin)(xin)號（①）輸(shu)出(chu)可以用(yong)來(lai)控制(zhi)釋(shi)放資金流向(xiang)企業停止使用(yong)電(dian)磁閥已被(bei)阻斷(duan)的油流，但(dan)是(shi)他(ta)們(men)還會通過輸(shu)出(chu)也是(shi)另(ling)一種方(fang)式(shi)釋(shi)放以及(ji)信(xin)(xin)號。維修挖掘機起(qi)動(dong)復合(he)繼電器的(de)中(zhong)點信(xin)號端有(you)電源電壓(ya)（檢(jian)查中(zhong)點信(xin)號端信(xin)號的(de)輸入(ru)是否與電源有(you)短路現象或起(qi)動(dong)機中(zhong)點輸出不正常）。挖掘機(ji)修理則閃(shan)光繼電器已(yi)損壞(huai)；當手柄開關撥到左轉(zhuan)(zhuan)或右(you)轉(zhuan)(zhuan)時，若方向機(ji)下面的(de)左右(you)轉(zhuan)(zhuan)向指(zhi)示燈(deng)閃(shan)爍，而挖掘機(ji)左右(you)轉(zhuan)(zhuan)向燈(deng)不閃(shan)爍，請檢(jian)查閃(shan)光繼電器到挖掘機(ji)左右(you)轉(zhuan)(zhuan)向燈(deng)的(de)線束連接及負(fu)載(zai)燈(deng)是否被燒壞(huai)。挖掘機維修左(zuo)(zuo)右轉(zhuan)(zhuan)向指示(shi)(shi)(shi)燈(deng)工作(zuo)不(bu)(bu)正常 當(dang)手柄開(kai)(kai)(kai)關(guan)(guan)撥到(dao)左(zuo)(zuo)轉(zhuan)(zhuan)或(huo)右轉(zhuan)(zhuan)時(shi)(shi)，挖掘(jue)機(ji)(ji)左(zuo)(zuo)右轉(zhuan)(zhuan)向燈(deng)不(bu)(bu)閃爍。請檢查左(zuo)(zuo)、右轉(zhuan)(zhuan)向燈(deng)與閃光繼電(dian)(dian)(dian)(dian)(dian)器負載端(duan)(duan)之間的線(xian)束。g.發動機(ji)(ji)啟(qi)動時(shi)(shi)，發電(dian)(dian)(dian)(dian)(dian)發展過程(cheng)(cheng)從交流對于(yu)發電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)的B 終端(duan)(duan)已經(jing)開(kai)(kai)(kai)始(shi)，然后(hou)根據供(gong)電(dian)(dian)(dian)(dian)(dian)至各個不(bu)(bu)同(tong)負載，此時(shi)(shi)，電(dian)(dian)(dian)(dian)(dian)瓶也被重新學習(xi)充電(dian)(dian)(dian)(dian)(dian)。同(tong)時(shi)(shi)，交流發電(dian)(dian)(dian)(dian)(dian)機(ji)(ji)的終端(duan)(duan)L也開(kai)(kai)(kai)始(shi)它的輸出設計過程(cheng)(cheng)，激活電(dian)(dian)(dian)(dian)(dian)瓶充電(dian)(dian)(dian)(dian)(dian)時(shi)(shi)間報警(jing)和(he)計時(shi)(shi)器。（詳(xiang)情請參(can)見“監(jian)控(kong)器顯(xian)示(shi)(shi)(shi)處理(li)裝置(zhi)”部(bu)分(fen)。）3. 低溫(wen)環境(jing)啟(qi)動相關(guan)(guan)特性(xing) / 預熱(re)(re)（開(kai)(kai)(kai)關(guan)(guan)鑰(yao)匙工程(cheng)(cheng)位(wei)于(yu)“加(jia)熱(re)(re)”或(huo)“啟(qi)動”位(wei)）a.把鑰(yao)匙開(kai)(kai)(kai)關(guan)(guan)狀態轉(zhuan)(zhuan)到(dao)“加(jia)熱(re)(re)”位(wei)置(zhi)，給電(dian)(dian)(dian)(dian)(dian)瓶繼電(dian)(dian)(dian)(dian)(dian)器和(he)加(jia)熱(re)(re)繼電(dian)(dian)(dian)(dian)(dian)器供(gong)應體系能(neng)量(liang)(liang)，然后(hou)，電(dian)(dian)(dian)(dian)(dian)源(yuan)管(guan)理(li)將給熱(re)(re)風機(ji)(ji)供(gong)電(dian)(dian)(dian)(dian)(dian)。“加(jia)熱(re)(re)”信號也將被中國傳入馬達(da)(da)，從而打(da)開(kai)(kai)(kai)了預熱(re)(re)指示(shi)(shi)(shi)燈(deng)。（詳(xiang)情請參(can)考“監(jian)控(kong)器顯(xian)示(shi)(shi)(shi)檢測裝置(zhi)”部(bu)分(fen)。）b.起動（開(kai)(kai)(kai)關(guan)(guan)鑰(yao)匙公司位(wei)于(yu)“啟(qi)動”位(wei)）時(shi)(shi)，加(jia)熱(re)(re)繼電(dian)(dian)(dian)(dian)(dian)器也被施加(jia)影響能(neng)量(liang)(liang)，用(yong)來為熱(re)(re)風機(ji)(ji)供(gong)電(dian)(dian)(dian)(dian)(dian)。這樣不(bu)(bu)僅是(shi)為了能(neng)夠保持自己手動預熱(re)(re)后(hou)所達(da)(da)到(dao)的溫(wen)度。注意：鑰(yao)匙開(kai)(kai)(kai)關(guan)(guan)需要打(da)開(kai)(kai)(kai)，并且由(you)于(yu)油門量(liang)(liang)滿時(shi)(shi)，旋緊螺母(mu)（A）兩圈（約 2.5 毫米(mi)），然后(hou)再旋緊螺母(mu)（A）和(he)（B），使(shi)它們(men)都是(shi)固定挖掘(jue)機(ji)(ji)維修。

注意: 發動(dong)機(ji)供應(ying)商已經預先調(diao)整發動(dong)機(ji)調(diao)速(su)器(qi)(qi)空閑(xian)和(he)高(gao)空閑(xian)位(wei)置(zhi)之(zhi)前交付。圖2。操作指令 a 當電(dian)(dian)(dian)(dian)流(liu)流(liu)入節(jie)(jie)(jie)氣(qi)門(men)電(dian)(dian)(dian)(dian)機(ji)時(shi)(shi)，控制器(qi)(qi)將節(jie)(jie)(jie)氣(qi)門(men)容(rong)(rong)量信(xin)(xin)號(hao)(hao)(hao)(hao)與(yu)電(dian)(dian)(dian)(dian)位(wei)器(qi)(qi)信(xin)(xin)號(hao)(hao)(hao)(hao)比較。該(gai)裝置(zhi)然后將信(xin)(xin)號(hao)(hao)(hao)(hao)輸出(chu)到(dao)(dao)直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)機(ji)，使(shi)機(ji)架(jia)移動(dong)到(dao)(dao)由節(jie)(jie)(jie)氣(qi)門(men)容(rong)(rong)量設置(zhi)的目標位(wei)置(zhi)。直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)動(dong)機(ji)然后根據(ju)從控制裝置(zhi)接收到(dao)(dao)的信(xin)(xin)號(hao)(hao)(hao)(hao)正常旋轉(zhuan)或(huo)反向旋轉(zhuan)。來自直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)動(dong)機(ji)的信(xin)(xin)號(hao)(hao)(hao)(hao)通過(guo)齒條傳送到(dao)(dao)減速(su)齒輪。機(ji)架(jia)導致“吸(xi)”電(dian)(dian)(dian)(dian)纜啟動(dong)沖孔，使(shi)調(diao)節(jie)(jie)(jie)桿啟動(dong)旋轉(zhuan)，增(zeng)加/減少發動(dong)機(ji)轉(zhuan)速(su)。電(dian)(dian)(dian)(dian)位(wei)器(qi)(qi)信(xin)(xin)號(hao)(hao)(hao)(hao)與(yu)齒條互鎖。當該(gai)信(xin)(xin)號(hao)(hao)(hao)(hao)與(yu)油門(men)容(rong)(rong)量信(xin)(xin)號(hao)(hao)(hao)(hao)相(xiang)匹(pi)配時(shi)(shi)，控制器(qi)(qi)停(ting)止(zhi)輸出(chu)電(dian)(dian)(dian)(dian)機(ji)旋轉(zhuan)指令信(xin)(xin)號(hao)(hao)(hao)(hao)。機(ji)架(jia)的行程(cheng)由抽(chou)吸(xi)端的信(xin)(xin)用(yong)證(zheng)和(he)回(hui)程(cheng)端的信(xin)(xin)用(yong)證(zheng)控制。額(e)定電(dian)(dian)(dian)(dian)壓 f，相(xiang)應(ying)于節(jie)(jie)(jie)流(liu)能力。當節(jie)(jie)(jie)流(liu)電(dian)(dian)(dian)(dian)機(ji)施加的張(zhang)力達(da)到(dao)(dao)15kg 或(huo)更大時(shi)(shi)，引入過(guo)載保護電(dian)(dian)(dian)(dian)流(liu)，防(fang)止(zhi)直(zhi)(zhi)流(liu)電(dian)(dian)(dian)(dian)機(ji)咬缸。

注意(yi)：當限(xian)位(wei)(wei)開(kai)(kai)關(guan)因(yin)斷路(lu)(lu)或(huo)短(duan)(duan)路(lu)(lu)而(er)(er)被損壞(huai)時，情況如下：因(yin)斷路(lu)(lu)而(er)(er)損壞(huai)：直流(liu)(liu)(liu)馬(ma)(ma)達根據油門容量改變發(fa)(fa)動機(ji)的(de)轉數。發(fa)(fa)動機(ji)轉數值A大或(huo)怠速(su)時電(dian)流(liu)(liu)(liu)繼續流(liu)(liu)(liu)入直流(liu)(liu)(liu)馬(ma)(ma)達。超載因(yin)此而(er)(er)被檢測出來(lai)，而(er)(er)輸出信號(hao)也(ye)停止向(xiang)直流(liu)(liu)(liu)馬(ma)(ma)達傳輸。因(yin)短(duan)(duan)路(lu)(lu)而(er)(er)損壞(huai)：齒條(tiao)不會向(xiang)限(xian)位(wei)(wei)開(kai)(kai)關(guan)發(fa)(fa)生(sheng)短(duan)(duan)路(lu)(lu)的(de)那(nei)側移動。如果限(xian)位(wei)(wei)開(kai)(kai)關(guan)的(de)短(duan)(duan)路(lu)(lu)發(fa)(fa)生(sheng)在“吸入”口(kou)，發(fa)(fa)生(sheng)短(duan)(duan)路(lu)(lu)時，齒條(tiao)只能(neng)從它(ta)原來(lai)所(suo)(suo)在的(de)位(wei)(wei)置(zhi)（“回流(liu)(liu)(liu)”端的(de)限(xian)位(wei)(wei)開(kai)(kai)關(guan)發(fa)(fa)生(sheng)短(duan)(duan)路(lu)(lu)時它(ta)所(suo)(suo)在的(de)位(wei)(wei)置(zhi)）朝“回流(liu)(liu)(liu)”端口(kou)移動。