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【農(nóng)機養(yǎng)護小知識】拖拉機冬季如何保養(yǎng)？

2020-12-21 13:50:20 來源：農(nóng)機網(wǎng)整理發(fā)布 閱讀量：32757 評論

　　【農(nóng)機網(wǎng) 地方農(nóng)機】拖拉機雖然塊頭大，但寒冷的冬季更應(yīng)該重視對拖拉機的保養(yǎng)。入冬前要對拖拉機的各個部位進行除垢、清洗、調(diào)整、潤滑，氣門間隙、噴油壓力及噴油提前角等技術(shù)指標(biāo)要注意調(diào)整到規(guī)定的范圍，對離合器、制動器和操縱機構(gòu)進行全面調(diào)整，確保拖拉機處于良好的狀態(tài)，為安全過冬打下良好的基礎(chǔ)。
 

　　冬季尤其要注意，氣溫在4℃及其以下時，夜間停車和長時間熄火停放時，都應(yīng)將發(fā)動機內(nèi)冷卻水放盡。在放冷卻水時，要待水溫降到60℃以下時再放水，否則，容易造成機體或缸蓋等損壞;更不能在冷卻水未放凈前離開，一定要檢查是否放凈，以防水閥被雜質(zhì)堵塞，剩余的水在低溫下反常膨脹凍裂機體。
 
　　維護方面，有以下幾點：
 
　　除水垢：將兩條較大的去皮、去籽的絲瓜絡(luò),清洗干凈后放入水箱中,并定期更換即可。
 
　　活塞環(huán)彈力不足：可用同型號的標(biāo)準(zhǔn)新環(huán),與被檢查的舊環(huán)沿圓周摞在一起垂直放置,并使兩環(huán)開口均處于水平位置。然后用手按壓兩環(huán),若新環(huán)開口來動,舊環(huán)開口已合攏,說明舊環(huán)彈性良好,可繼續(xù)使用。
 
　　斷裂紙墊的修補：在紙墊兩面涂少許黃油,再剪兩張與紙墊同大小的薄白紙,貼于紙墊兩面,裝到機上,擰緊螺母即可消除滲漏。
 
　　排機油泵內(nèi)空氣：用一針管吸滿機油,向泵的進油口處注油,并轉(zhuǎn)動機油泵,使出口出油。
 
　　高壓油管兩端的凸頭與噴油器、出油閥的連接面漏油。靠接觸面的加工精度和管接螺母的緊固力保持密封，一旦接觸面磨損漏油,可從廢氣缸墊上剪下一圓形銅皮,中間扎一個小孔,墊在凸頭與凹坑之間即可。
 
　　鐵質(zhì)濾芯除污：空氣濾清器的鐵質(zhì)濾芯,用柴油很難洗凈,若濾芯沾上柴油,可點火燃燒,待火熄滅后,用木棍敲擊芯,使煙火脫落,就可徹底清除濾芯內(nèi)外的污物。
 
　　除細濾器內(nèi)的污物：轉(zhuǎn)子式機油細濾器內(nèi)的泥土、污物不易清除干凈。如果在轉(zhuǎn)子內(nèi)壁先用黃油貼一層紙,讓泥土附在紙上,保養(yǎng)時將紙揭下,泥土便可徹底清除掉。
 
　　同時還應(yīng)注意以下幾點：
 
　　嚴(yán)禁采用點火、拖拉、溜坡、明火烤車、車啟動后加水、調(diào)松噴油壓力等錯誤的方法啟動；
 
　　嚴(yán)禁無冷卻水啟動：在拖拉機運行中如遇水箱沸騰或需要加水時，不能驟加冷水、此時應(yīng)停止作業(yè)，待水溫降低后、再適當(dāng)添加清潔飲水以防氣缸蓋和氣缸套炸裂。
 
　　嚴(yán)禁忘記放盡冷卻水；
 
　　嚴(yán)禁使用不合格的柴、機油；
 
　　嚴(yán)禁駕駛陋習(xí)。
 
　　本文由農(nóng)機網(wǎng)(www.goodqmj.com)整理發(fā)布，部分資料來源：中國一拖，如有侵權(quán)或異議請聯(lián)系我們。

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