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挖(wa)掘機(ji)(ji)發(fa)(fa)電(dian)機(ji)(ji)維護保養常見注(zhu)意事項，時常檢(jian)(jian)驗發(fa)(fa)電(dian)機(ji)(ji)皮帶松緊(jin)(jin)程度(du)，假如太(tai)松會造(zao)(zao)成(cheng)皮帶打(da)滑，甚至于發(fa)(fa)動(dong)機(ji)(ji)不轉(zhuan)的(de)(de)情(qing)況(kuang)，過(guo)緊(jin)(jin)會加快發(fa)(fa)動(dong)機(ji)(ji)、風(feng)扇和離心水(shui)泵(beng)上的(de)(de)滾動(dong)軸承損壞。檢(jian)(jian)驗發(fa)(fa)電(dian)機(ji)(ji)軸承是(shi)不是(shi)缺(que)少油或光(guang)滑異常，若光(guang)滑異常會造(zao)(zao)成(cheng)滾動(dong)軸承兩者之間損壞，因而造(zao)(zao)成(cheng)發(fa)(fa)動(dong)機(ji)(ji)溫度(du)過(guo)高，電(dian)壓、電(dian)流不穩。維持發(fa)(fa)動(dong)機(ji)(ji)表面(mian)清理，無塵土污垢沉積，若有(you)會影響到散熱(re)，擴大發(fa)(fa)動(dong)機(ji)(ji)燒(shao)毀概率(lv)。檢(jian)(jian)驗發(fa)(fa)動(dong)機(ji)(ji)有(you)關的(de)(de)各緊(jin)(jin)固(gu)件的(de)(de)固(gu)定(ding)情(qing)況(kuang)，緊(jin)(jin)固(gu)件假如有(you)掉落或掉落，有(you)很有(you)可能造(zao)(zao)成(cheng)電(dian)壓、電(dian)流不穩，甚至于造(zao)(zao)成(cheng)儀(yi)表等電(dian)子(zi)元(yuan)件的(de)(de)損害。

如(ru)何測試挖(wa)掘機(ji)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)是(shi)(shi)(shi)(shi)不(bu)(bu)(bu)是(shi)(shi)(shi)(shi)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)量(liang)(liang)，蓄電(dian)(dian)(dian)(dian)池的(de)電(dian)(dian)(dian)(dian)是(shi)(shi)(shi)(shi)由發(fa)(fa)(fa)動(dong)(dong)機(ji)產(chan)生的(de)，因而假(jia)如(ru)有儀表全看(kan)蓄電(dian)(dian)(dian)(dian)池充電(dian)(dian)(dian)(dian)指示燈是(shi)(shi)(shi)(shi)不(bu)(bu)(bu)是(shi)(shi)(shi)(shi)工作(zuo)中，實際(ji)上最(zui)簡單的(de)便(bian)是(shi)(shi)(shi)(shi)運(yun)行車一段(duan)時間后看(kan)蓄電(dian)(dian)(dian)(dian)池的(de)電(dian)(dian)(dian)(dian)壓，假(jia)如(ru)沒(mei)電(dian)(dian)(dian)(dian)證實發(fa)(fa)(fa)動(dong)(dong)機(ji)不(bu)(bu)(bu)工作(zuo)了。檢驗(yan)(yan)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)的(de)滑環(huan)(huan)（也稱接(jie)觸環(huan)(huan)）是(shi)(shi)(shi)(shi)不(bu)(bu)(bu)是(shi)(shi)(shi)(shi)有臟污(wu)：考慮到轉(zhuan)(zhuan)子(zi)是(shi)(shi)(shi)(shi)旋(xuan)轉(zhuan)(zhuan)的(de)，根據碳刷(shua)和滑環(huan)(huan)的(de)接(jie)觸將(jiang)勵磁(ci)電(dian)(dian)(dian)(dian)流發(fa)(fa)(fa)送給(gei)轉(zhuan)(zhuan)子(zi)的(de)繞(rao)組(勵磁(ci)繞(rao)組)上來。因而，如(ru)果滑環(huan)(huan)臟污(wu)，那樣勵磁(ci)電(dian)(dian)(dian)(dian)流就(jiu)不(bu)(bu)(bu)容易傳入轉(zhuan)(zhuan)子(zi)的(de)勵磁(ci)繞(rao)組上來，因而發(fa)(fa)(fa)動(dong)(dong)機(ji)便(bian)會(hui)產(chan)生不(bu)(bu)(bu)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)量(liang)(liang)的(de)難(nan)題(ti)。檢驗(yan)(yan)挖(wa)掘機(ji)配件中發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)軸(zhou)(zhou)(zhou)承(cheng)(cheng)是(shi)(shi)(shi)(shi)不(bu)(bu)(bu)是(shi)(shi)(shi)(shi)缺(que)少油(you)或者(zhe)是(shi)(shi)(shi)(shi)潤滑油(you)臟污(wu)：假(jia)如(ru)發(fa)(fa)(fa)電(dian)(dian)(dian)(dian)機(ji)的(de)滾動(dong)(dong)軸(zhou)(zhou)(zhou)承(cheng)(cheng)缺(que)少油(you)或者(zhe)是(shi)(shi)(shi)(shi)光滑異常，會(hui)使滾動(dong)(dong)軸(zhou)(zhou)(zhou)承(cheng)(cheng)滾動(dong)(dong)阻力過大，滾動(dong)(dong)軸(zhou)(zhou)(zhou)承(cheng)(cheng)的(de)外圈(quan)(quan)與內圈(quan)(quan)會(hui)同步轉(zhuan)(zhuan)動(dong)(dong)，這就(jiu)造成滾動(dong)(dong)軸(zhou)(zhou)(zhou)承(cheng)(cheng)與軸(zhou)(zhou)(zhou)承(cheng)(cheng)座兩者(zhe)之間過多損壞。

滾動(dong)軸承過(guo)多損(sun)壞會(hui)造(zao)成(cheng)發(fa)電(dian)(dian)機(ji)(ji)的轉子(zi)(zi)(zi)與(yu)(yu)定(ding)(ding)(ding)子(zi)(zi)(zi)摩擦，因而促使發(fa)動(dong)機(ji)(ji)溫度過(guo)高(gao)，發(fa)電(dian)(dian)機(ji)(ji)的電(dian)(dian)壓(ya)及電(dian)(dian)流(liu)不(bu)穩(wen)。檢驗發(fa)電(dian)(dian)機(ji)(ji)的轉子(zi)(zi)(zi)與(yu)(yu)定(ding)(ding)(ding)子(zi)(zi)(zi)是(shi)不(bu)是(shi)相(xiang)(xiang)碰(peng)：假如轉子(zi)(zi)(zi)與(yu)(yu)定(ding)(ding)(ding)子(zi)(zi)(zi)相(xiang)(xiang)碰(peng)或(huo)(huo)者(zhe)是(shi)摩擦，那么就(jiu)會(hui)造(zao)成(cheng)轉子(zi)(zi)(zi)與(yu)(yu)定(ding)(ding)(ding)子(zi)(zi)(zi)發(fa)熱，因而促使發(fa)電(dian)(dian)機(ji)(ji)的電(dian)(dian)流(liu)和電(dian)(dian)壓(ya)不(bu)穩(wen)定(ding)(ding)(ding)，嚴重(zhong)者(zhe)會(hui)使發(fa)動(dong)機(ji)(ji)損(sun)壞或(huo)(huo)者(zhe)是(shi)損(sun)壞挖掘機(ji)(ji)上的電(dian)(dian)子(zi)(zi)(zi)元件。假如轉子(zi)(zi)(zi)與(yu)(yu)定(ding)(ding)(ding)子(zi)(zi)(zi)相(xiang)(xiang)碰(peng)或(huo)(huo)摩擦，一(yi)般情況下是(shi)發(fa)電(dian)(dian)機(ji)(ji)的滾動(dong)軸承、發(fa)電(dian)(dian)機(ji)(ji)端蓋或(huo)(huo)是(shi)是(shi)發(fa)電(dian)(dian)機(ji)(ji)機(ji)(ji)殼出現了(le)損(sun)壞或(huo)(huo)是(shi)變形(xing)。