disposable face mask, kn95 , face mask, mask , Face Shield, goggle disposable face mask, kn95, face mask, mask Dongguan Marvec Electronic Technology Co.,Ltd , http://www.marvec-cn.com
Cold start of diesel engine
Do not use open flame grilled oil pan. Boiling the oil pan with an open flame not only affects the life of the engine, but also easily deteriorates the oil and reduces the lubrication effect. Second bogey open flame heating tank. Heating an oil tank with an open flame will not only damage the paint on the surface of the body, but also easily burn the plastic tubing, causing oil leakage, and even an explosion due to the rapid expansion of gas in the tank. The three bogey do not add cooling water at the start. If you do not add cooling water at the time of start-up and you add the cooling water after the diesel engine is started, the temperature of the tank will cause the body and cylinder head to crack due to sudden cold water. 4. Avoid preheating and start with other powers. If the diesel engine is not warmed up, and it is forcibly started with other power, the crankshaft and the bearing shell will be in dry friction or semi-dry frictional state, which easily leads to the crankshaft bearing. Five bogey add the engine oil from the intake pipe. Adding oil from the intake pipe will make the piston and piston ring coke, reducing the service life. Six bogey to take off the air filter fire start. Taking off the air filter and starting the suction will cause the unclean air to enter the moving parts such as the cylinder and the air valve, which will aggravate the wear of these parts.