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輪式拖拉機冬季使用和維護注意事項

人氣:80 發表時間:2023-03-08

輪式拖拉機冬季使用和維護注意事項

1、在冬季來臨之前,應對拖拉機的各個部位除垢和清理、調節并潤滑,氣門間隙,噴油壓力、噴油提前角和其他技術指標應調整在指定的范圍內,氣門間隙過大,噴油壓力過低、供油時間過遲,均會導致發動機起動困難。同時還應注意冬季天氣寒冷,氣溫低,潤滑油粘度下降快,容易使機器過熱而發生故障。另外還應對離合器進行處理、制動器及操縱機構作了充分的調整,保證拖拉機在技術狀態下,奠定了安全越冬的基礎。

2、冬天因為溫度低,機油粘度升高,流動性惡化,啟動阻力增大將使啟動及潤滑困難,所以要及時把夏季用的11號機油改為冬季用的8號機油。變速箱及后橋內部齒輪油應從夏天使用的30號油更換為20號油。

3、輪式拖拉機在嚴寒季節往往難以啟動,所以,啟動前須進行充分的預熱。一般應在發動機熄火后再進行預熱,先以80°C~90°C熱水對機體進行預熱。頭次不可使用溫度過高的水來避免身體、缸蓋等處突然遇熱炸裂。如果水溫過高,就應將水箱放干再加溫。加水的同時開啟放水開關,采取一邊加熱水,一邊放水,直至從機體放水閥排出溫水,關閉放水閥并加入一開水;第二次要盡量將水箱中的水全部放凈,然后再開放水開關。溫度特別低的時候,同時也要預熱機油。第二次不能用冷水直接沖擊柴油機或其它機件,以防其過熱損壞零部件。將停車過程中釋放的油底殼中的機油裝入容器中,用熱水加熱,然后注入油底殼,并搖轉曲軸若干圈,使得各個部位的零件在啟動前都有足夠的潤滑;當發現機油溫度過高或有氣泡時,應及時排除并檢查油路中是否有氣和油霧等異?,F象。

4、冬季應對輪式拖拉機進行保溫處理。此外還要注意防止凍壞水箱和水泵等部件。例如,用保溫簾和保溫套覆蓋發動機,如有需要,拖拉機散熱器前可用硬紙板擋大風,為了減少冷空氣流入,或者適當地調松風扇皮帶,減小風扇轉速。安裝機油散熱器發動機,要將開關扳在“冬”字位上,使得機油不會在機油散熱器中流動。以上是煙臺拖拉機廠家講解的小知識,歡迎大家多多關注我們的網站!


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