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持續(xù)高溫天氣，農(nóng)機駕駛需注意這些

2024-08-01 08:40:58 來源：嘉定三農(nóng) 閱讀量：14522 評論

導讀：農(nóng)機手們，戶外作業(yè)時除了做好自身防暑，農(nóng)機駕駛作業(yè)需注意以下事項。

　　【農(nóng)機網(wǎng) 熱點關(guān)注】　近期持續(xù)高溫天氣，@農(nóng)機手們，戶外作業(yè)時除了做好自身防暑，農(nóng)機駕駛作業(yè)需注意以下事項:
 
　　注意水溫。
 
　　農(nóng)機在酷暑、高溫條件下行駛，發(fā)動機水溫上升較快，容易出現(xiàn)冷卻水沸騰(開鍋)現(xiàn)象。行駛中發(fā)現(xiàn)水溫表指示過高，或故障燈點亮時，應立即停車并打開警示燈，安放警示牌，防止氣缸炸裂。應打開引擎蓋自然通風冷卻或用冷水澆淋散熱器(水箱)蓋及外部強制降溫，待溫度下降后用擦車的毛巾蓋住水箱蓋擰開，注意防止噴出的冷卻液造成燙傷。
 
　　胎壓增高。
 
　　夏季太陽烘烤道路以及車輪的高速轉(zhuǎn)動，都會使輪胎溫度上升、胎壓增高，從而容易造成爆胎。駕駛員在烈日下行車要特別當心，不得超速行駛，高速轉(zhuǎn)彎，快速連續(xù)通過凸凹路段等；不得在胎溫很高的情況下，澆冷水或少量放氣，以免輪胎遇冷變形以及放氣后輪胎與道路接觸面更大，溫度上升加快。發(fā)現(xiàn)輪胎燙手時，應選擇蔭涼地點停車，自然冷卻。
 
　　電瓶缺水。
 
　　溫度過高時蓄電池中的電解液容易揮發(fā)，造成蓄電池缺水，電極板露出氧化、容量下降等現(xiàn)象。因此，在炎熱的夏季要經(jīng)常檢查蓄電池的電解液高度，及時添加電解水或蒸餾水。
 
　　定期檢查剎車系統(tǒng)。
 
　　由于夏天氣溫高，剎車片在使用中承受的壓力更大，更容易磨損。雨季時路面濕滑，也容易造成輪胎和路面之間的摩擦系數(shù)降低，特別是輪胎花紋處有積水的情況下，摩擦系數(shù)更低。因此，除了要定期檢查剎車系統(tǒng)外，當摩擦塊厚度降低到4毫米以下就該更換了。對于剎車片的磨損情況，不需要拆輪胎，只需要調(diào)整好光線，往輪轂內(nèi)部望進去，就能看到剎車片的磨損情況。
 
　　防范農(nóng)機自燃。
 
　　1、警惕車內(nèi)異味。如果在行駛過程中，聞到車內(nèi)有膠皮臭味或見到機罩蓋邊隙處和儀表臺附近冒煙時，應迅速靠邊停車熄火，斷開全車電源。
 
　　2、配備有效滅火器。隨車配備滅火器，注意檢查是否超過年限。
 
　　3、遠離易燃物品。夏季不要在車內(nèi)放置易燃物品，同時保持發(fā)動機艙內(nèi)的清潔，盡量不要在車內(nèi)吸煙；不存放危險物品及油品。日常生活中的打火機、香水、摩絲等也是構(gòu)成車輛火災的危險品。
 
　　4、停車時盡量選擇陰涼處。停車時應盡量避免陽光曝曬，并檢查汽車底盤，確認車下無易燃物。

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