Fume hood covered in soot, dust, people with thick oil dirties tend to use steel wire ball, such as a knife, clean up and doing so will inevitably cut exhaust hood is bright and clean surface, a lot of people pay someone unwrapped exhaust hood to wash, little imagine, exhaust hood this high speed rotating machinery to high requirement of dynamic balance, if the lampblack machine no mechanical common sense to the cleaning work, dynamic balance will be suffered severe damage, the consequences must be noise and shaking even dysfunctional.

　　1、洗潔精、食醋浸泡法。將抽排煙罩葉輪拆下，浸泡在用3－5滴洗潔精和50毫升食醋混合的一盆溫水中，浸10－12分鐘后，再用干凈的抹布擦洗。外殼及其它部件也用此溶液清洗。

　　1, detergent and vinegar soak. Remove the flue, soak in a pot of warm water with a mixture of 3-5 drops of detergent and 50ml of vinegar, soak for 10-12 minutes and then scrub with a clean cloth. The shell and other parts are also cleaned with this solution.

　　2、在店里買一瓶專用于清洗排煙罩的清潔品叫“油葫蘆“。用“油葫蘆“向油煙機的污處均勻噴一層，幾分鐘后濕布一擦，油污會立刻被擦掉。于排煙罩葉片，用“油葫蘆“向葉片噴霧將其潤濕重復做幾次，幾遍之后就徹底干凈了。

　　2, buy a bottle of cleanser in the shop that is dedicated to cleaning the smoke hood. Use the "oil gourd" to spray a layer on the dirt of the lampblack machine. After a few minutes, the oil will be wiped clean. As for the flue, the "oil gourd" spray will be wet and repeated several times, and then it will be completely clean.

　　其實，好的辦法就是我們在用完一段時間做好及時清理，一定不要等到油壓機排煙罩不工作后才開始清理，這樣清洗起來比較麻煩。

　　In fact, the best thing to do is we make clear in time after using for a period of time, do not wait until the hydraulic press exhaust hood is not began to clean up after work, like cleaning up more troublesome.