通過上述試抽測,如果該真空泵沒有其他方而的毛病.其qi極ji限xian真zhen空kong度du是shi否fou確que實shi已yi變bian低di,可ke用yong壓ya縮suo式shi真zhen空kong計ji測ce量liang來lai更geng好hao地di證zheng實shi它ta。通tong常chang經jing長chang期qi運yun轉zhuan的de泵beng隻zhi要yao低di於yu標biao牌pai數shu值zhi,就jiu應ying當dang加jia以yi修xiu理li。修xiu理li時shi首shou先xian應ying檢jian查zha油you量liang是shi否fou低di於yu油you標biao中zhong心xin較jiao多duo,油you有you否fou變bian質zhi,油you路lu通tong否fou。如ru發fa現xian有you這zhe方fang麵mian的de毛mao病bing,則ze可ke適shi當dang加jia油you以yi至zhi換huan油you。如ru果guo真zhen空kong度du仍reng不bu能neng上shang去qu,則ze可ke調tiao整zheng各ge軸zhou或huo排pai氣qi閥fa的de油you閥fa,增zeng減jian進jin油you量liang,疏shu通tong油you路lu。再zai無wu效xiao果guo或huo真zhen空kong度du變bian化hua不bu大da,則ze可ke進jin行xing密mi封feng性xing檢jian查zha。用yong較jiao清qing潔jie的de真zhen空kong泵beng油you澆jiao滴di密mi封feng處chu,發fa現xian真zhen空kong計ji表biao針zhen突tu然ran變bian動dong,則ze說shuo明ming可ke能neng被bei滴di處chu有you漏lou隙xi。用yong蟲chong膠jiao漆qi(俗稱洋千漆)作(zuo)輔(fu)助(zhu)密(mi)封(feng)劑(ji)是(shi)比(bi)較(jiao)簡(jian)便(bian)的(de)方(fang)法(fa),此(ci)時(shi),隻(zhi)要(yao)以(yi)蘸(zhan)有(you)蟲(chong)膠(jiao)漆(qi)濟(ji)液(ye)的(de)毛(mao)筆(bi)塗(tu)刷(shua)可(ke)疑(yi)部(bu)位(wei),如(ru)果(guo)真(zhen)空(kong)度(du)突(tu)然(ran)上(shang)去(qu),則(ze)漏(lou)洞(dong)已(yi)被(bei)堵(du)住(zhu),可(ke)多(duo)刷(shua)幾(ji)次(ci)以(yi)保(bao)證(zheng)堵(du)死(si)。當(dang)然(ran)最(zui)後(hou)還(hai)是(shi)以(yi)拆(chai)換(huan)泄(xie)漏(lou)處(chu)密(mi)封(feng)墊(dian)圈(quan)為(wei)好(hao)。換(huan)後(hou),真(zhen)空(kong)度(du)上(shang)去(qu)了(le),即(ji)可(ke)。
值zhi得de注zhu意yi的de是shi,在zai空kong氣qi較jiao為wei潮chao濕shi的de南nan方fang,或huo在zai相xiang對dui濕shi度du較jiao大da的de環huan境jing下xia,泵beng使shi用yong日ri久jiu,摻chan氣qi閥fa又you使shi用yong不bu當dang,那na麼me泵beng油you內nei會hui逐zhu漸jian滲shen入ru水shui分fen,並bing由you於yu機ji械xie攪jiao拌ban而er形xing成cheng油you乳ru混hun濁zhuo液ye,有you時shi,由you於yu泵beng油you內nei混hun入ru了le不bu同tong型xing號hao的de油you、泵油溫度過高發生裂解、qingliufenguoduo,yijisuanjianzazhiwuranlebengyoudeng,junkenengshiyouzhibianhuai,pohuaiyoudemifengxingneng。youxieweixiugongzuozhezaiqingxibengshixiguanyongqiyoudengrongji,dangweiqingchuganjingzhexierongjizhengqishi,youyuzhenkongbengneihunruleqiyoudengcaxirongji,shihuifaxingqitifenyaqiangguogaoeryingxiangzhenkongdudetigao。zaiciqingkuangxia,junyingkaolvhuanyou。jixiebengyongyouyinggaiqingjie、幹燥、飽和蒸氣壓低(<10-5托)、適宜季節的合適粘度,並在使用時,清除幹淨原泵油和洗液及其蒸氣,使之不與其他油類相混。通常旋片泵用1#真空泵油(或BM-4,2#,3#,航空機油等也可),定片泵、滑閥泵用航空機油。還應視具體季節調整油的濃度,冷天用稀一點的油好些。