Before coating construction, the operator should know what preparation and daily protection should be done, otherwise the equipment will be damaged.　　Preparation before painting　　Before the coating

　　1、 There are other impurities in the powder coating　　2、 If the spray gun and powder feeder are not cleaned up for a long time, there is powder sticking on the nozzle end, and the powder outlet of the spray gun is blocked by the loose head　　3、 The powder itself is damp and caking　　4、 During construction, the air pressure is too low　　5、 The solenoid valve doesn't work and there is no powder injection pressure output　　6、 The powder conveying pipe connecting the spray gun is bent and may fa