Favorites "24V DC Cooling Fan" before thoroughly remove surface oil, fouling, and wipe dry with a soft cloth, and then use a clean cloth or brown paper wrapped. Storage place should be dry and ventilated to avoid crushing. Fans during use if there hot, abnormal burning smell, shaking his head ineffective, slow speed, such as failure, do not continue to use, should be promptly cut off the power overhaul. Fan of oil or fouling, should be promptly removed. Not use petrol or strong alkaline cleaning, so as not to damage the paint surface functional member.