班禁止長時間使用拉車啟動的電熱塞，火焰預熱塞預熱器，預熱器加熱的加熱元件金屬絲火焰，挖掘機維護其功率消耗和發熱的被大的，長期使用可能是由于急劇放電損壞電池，也能燒加熱絲。維修挖掘機第一臺液壓挖掘機由法國波克蘭工廠發明成功。由于液壓技術的應用，20世紀40年代有了在拖拉機上配裝液壓反鏟地懸掛式挖掘機。修理挖掘機常見的挖掘機結構包括，動力裝置，工作裝置，回轉機構，操縱機構，傳動機構，行走機構和輔助設施等。挖掘機修理最初挖(wa)掘機(ji)(ji)(ji)是(shi)手動(dong)(dong)(dong)的(de)(de)，從發(fa)明到(dao)(dao)現(xian)在已經有(you)一(yi)百三十多年(nian)了(le)，期間(jian)經歷了(le)由蒸汽(qi)驅動(dong)(dong)(dong)斗回(hui)轉(zhuan)(zhuan)挖(wa)掘機(ji)(ji)(ji)到(dao)(dao)電(dian)力(li)驅動(dong)(dong)(dong)和(he)內燃機(ji)(ji)(ji)驅動(dong)(dong)(dong)回(hui)轉(zhuan)(zhuan)挖(wa)掘機(ji)(ji)(ji)、應(ying)用機(ji)(ji)(ji)電(dian)液一(yi)體化技術的(de)(de)全自(zi)動(dong)(dong)(dong)液壓挖(wa)掘機(ji)(ji)(ji)的(de)(de)逐步發(fa)展(zhan)過程。因此(ci)，連續使(shi)(shi)用每次電(dian)熱(re)塞(sai)不每一(yi)個都(dou)被(bei)20S內受控的(de)(de)時間(jian)超過1分(fen)鐘(zhong)，連續使(shi)(shi)用火(huo)焰預熱(re)時間(jian)。直接添(tian)(tian)加(jia)到(dao)(dao)油(you)缸禁止(zhi)添(tian)(tian)加(jia)到(dao)(dao)氣缸油(you)，雖然(ran)變暖可能(neng)起到(dao)(dao)密(mi)封，加(jia)壓，以(yi)促(cu)進柴油(you)冷啟動(dong)(dong)(dong)的(de)(de)作用，但不能(neng)燒機(ji)(ji)(ji)油(you)，容易產生積(ji)炭，彈性活塞(sai)環減少，密(mi)封圓柱性能(neng)退化;此(ci)外，也加(jia)速(su)氣缸套的(de)(de)磨損，導致降低的(de)(de)發(fa)動(dong)(dong)(dong)機(ji)(ji)(ji)功率，使(shi)(shi)之更難以(yi)啟動(dong)(dong)(dong)，油(you)不能(neng)被(bei)直接加(jia)入(ru)到(dao)(dao)筒。

發(fa)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)在(zai)(zai)(zai)冷(leng)車機(ji)(ji)(ji)(ji)油粘度的(de)(de)情況下通過拉車起(qi)動(dong)(dong)(dong)(dong)，會加(jia)(jia)(jia)劇(ju)各運動(dong)(dong)(dong)(dong)件(jian)之間(jian)的(de)(de)磨(mo)損，從而(er)可以降低(di)我(wo)國(guo)機(ji)(ji)(ji)(ji)車的(de)(de)使用(yong)網絡壽命。挖掘機(ji)(ji)(ji)(ji)設(she)備(bei)維(wei)修(xiu)人員禁止不(bu)(bu)按期換(huan)用(yong)機(ji)(ji)(ji)(ji)油、燃(ran)(ran)油在(zai)(zai)(zai)冬(dong)季(ji)，如果不(bu)(bu)及(ji)時換(huan)用(yong)不(bu)(bu)同(tong)粘度低(di)的(de)(de)機(ji)(ji)(ji)(ji)油和(he)燃(ran)(ran)油，發(fa)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)就很(hen)難實現起(qi)動(dong)(dong)(dong)(dong)。禁止火(huo)烤油底(di)殼和(he)進氣管(guan)處引火(huo)起(qi)動(dong)(dong)(dong)(dong)為防止企業發(fa)生重大火(huo)災，應用(yong)需要文火(huo)、煤火(huo)在(zai)(zai)(zai)一定社會距離外烘(hong)烤過程中發(fa)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)的(de)(de)油底(di)殼，同(tong)時我(wo)們慢慢開始轉動(dong)(dong)(dong)(dong)一個曲軸，讓機(ji)(ji)(ji)(ji)油壓力均勻系統受熱(re)，使各部位都得到充分潤滑(hua)。若在(zai)(zai)(zai)工作發(fa)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)進氣管(guan)處引火(huo)起(qi)動(dong)(dong)(dong)(dong)，會使人們物質(zhi)生活燃(ran)(ran)燒(shao)自(zi)己(ji)產(chan)生的(de)(de)灰燼及(ji)硬雜物吸進氣缸(gang)，造成進、排(pai)氣門處于關閉控制(zhi)不(bu)(bu)嚴而(er)加(jia)(jia)(jia)快推動(dong)(dong)(dong)(dong)氣缸(gang)的(de)(de)磨(mo)損。禁止無冷(leng)卻液或(huo)加(jia)(jia)(jia)入沸水起(qi)動(dong)(dong)(dong)(dong)汽車發(fa)動(dong)(dong)(dong)(dong)機(ji)(ji)(ji)(ji)不(bu)(bu)能起(qi)動(dong)(dong)(dong)(dong)后再(zai)加(jia)(jia)(jia)冷(leng)卻液，會使他們熾熱(re)的(de)(de)缸(gang)套(tao)、缸(gang)蓋等重要組成部件(jian)因驟然遇(yu)冷(leng)而(er)炸裂或(huo)變形；向冰(bing)冷(leng)的(de)(de)機(ji)(ji)(ji)(ji)體(ti)內驟加(jia)(jia)(jia)lOO℃的(de)(de)開水，同(tong)樣會激(ji)裂缸(gang)蓋和(he)機(ji)(ji)(ji)(ji)體(ti)，應待冷(leng)卻液沒有溫度影響降至60~70℃時再(zai)加(jia)(jia)(jia)入。

低禁(jin)止(zhi)直接汽油倒(dao)入進氣管(guan)比(bi)柴(chai)油汽油，柴(chai)油燃料比(bi)第(di)一燃燒點燃。因此，汽油直接注入進氣歧管(guan)，發動(dong)(dong)(dong)(dong)機將工作(zuo)(zuo)粗糙，有強烈的爆震現(xian)象，發動(dong)(dong)(dong)(dong)機反(fan)向(xiang)也可以發生(sheng)在嚴重(zhong)的情況(kuang)下。禁(jin)止(zhi)長的連續(xu)起(qi)動(dong)(dong)(dong)(dong)器起(qi)動(dong)(dong)(dong)(dong)發動(dong)(dong)(dong)(dong)機以低電壓被(bei)操作(zuo)(zuo)時(shi)，電池(chi)的大電流(liu)可能會損壞長期使用。連續(xu)工作(zuo)(zuo)時(shi)間不(bu)得超(chao)過洛(luo)杉磯;不(bu)啟動(dong)(dong)(dong)(dong)，重(zhong)新啟動(dong)(dong)(dong)(dong)15S應該分開(kai)。當剛(gang)(gang)剛(gang)(gang)開(kai)始禁(jin)止(zhi)高轉速發動(dong)(dong)(dong)(dong)機啟動(dong)(dong)(dong)(dong)時(shi)，機油，流(liu)動(dong)(dong)(dong)(dong)性差(cha)的低溫(wen)，高速運轉馬上，很容易導(dao)致所有運動(dong)(dong)(dong)(dong)部(bu)件，由于缺乏潤滑和快速磨損，嚴重(zhong)時(shi)會發生(sheng)燒瓦時(shi)軸。