維護性運轉是指農機及零部件在停用、閑置期間和投入正常運轉之前,以維護保養為目的而進行的運轉過程。下麵介紹幾種農機具的維護性運轉方法:內燃機。柴油機和汽油機在封存期間,每隔1個月左右應從進氣管向氣缸內注入一定量(每缸約0.1公斤)脫(tuo)水(shui)機(ji)油(you),並(bing)搖(yao)轉(zhuan)曲(qu)軸(zhou)數(shu)圈(quan),以(yi)防(fang)止(zhi)零(ling)件(jian)粘(zhan)住(zhu)和(he)鏽(xiu)蝕(shi)。離(li)合(he)器(qi)。當(dang)機(ji)車(che)長(chang)期(qi)停(ting)放(fang)而(er)且(qie)環(huan)境(jing)濕(shi)度(du)大(da)時(shi),離(li)合(he)器(qi)摩(mo)擦(ca)片(pian)與(yu)飛(fei)輪(lun)或(huo)壓(ya)盤(pan)容(rong)易(yi)鏽(xiu)粘(zhan)在(zai)一(yi)起(qi),造(zao)成(cheng)離(li)合(he)器(qi)不(bu)能(neng)徹(che)底(di)分(fen)離(li)。為(wei)此(ci)可(ke)啟(qi)動(dong)發(fa)動(dong)機(ji),掛(gua)低(di)速(su)檔(dang)行(xing)駛(shi)一(yi)段(duan)路(lu),並(bing)踩(cai)離(li)合(he)器(qi)踏(ta)板(ban)和(he)製(zhi)動(dong)踏(ta)板(ban),使(shi)鏽(xiu)粘(zhan)的(de)從(cong)動(dong)盤(pan)分(fen)離(li)。液(ye)壓(ya)懸(xuan)掛(gua)係(xi)統(tong)。液(ye)壓(ya)分(fen)配(pei)器(qi)的(de)主(zhu)控(kong)製(zhi)閥(fa)和(he)回(hui)油(you)閥(fa)卡(ka)滯(zhi),是(shi)液(ye)壓(ya)係(xi)統(tong)停(ting)放(fang)後(hou)的(de)常(chang)見(jian)故(gu)障(zhang)之(zhi)一(yi)。為(wei)此(ci),應(ying)定(ding)期(qi)進(jin)行(xing)維(wei)護(hu)性(xing)運(yun)轉(zhuan),即(ji)啟(qi)動(dong)發(fa)動(dong)機(ji),反(fan)複(fu)扳(ban)動(dong)液(ye)壓(ya)操(cao)縱(zong)手(shou)柄(bing),同(tong)時(shi)用(yong)木(mu)錘(chui)在(zai)相(xiang)應(ying)部(bu)位(wei)敲(qiao)擊(ji),促(cu)使(shi)滑(hua)閥(fa)移(yi)動(dong)。對(dui)於(yu)稻(dao)麥(mai)聯(lian)合(he)收(shou)割(ge)機(ji),應(ying)隔(ge)一(yi)段(duan)時(shi)間(jian)上(shang)下(xia)扳(ban)動(dong)多(duo)路(lu)閥(fa)操(cao)縱(zong)杆(gan)一(yi)、ershici。qiansuanxudianchi。duiyushiyongguodeqianxudianchi,ruguocaiqudaidianjieyedeshishichucun,meibangeyueyingjianzhayicidangedianyahedianjieyemidu,ruguodianrongliangjiangdidao25%以下,應立即補充充電。深井泵。深井泵在停用期,為了防止電機、啟動器受潮,應每隔10天啟動一次,運轉30分鍾左右。
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