1. The shell of the vacuum dryer must be effectively grounded to ensure safe use.
2. The vacuum dryer should be used in an environment where the relative humidity is less than or equal to 85% RH, there is no corrosive vacuum dryer gas around, and there is no strong vibration source and strong electromagnetic field.
3. There is no explosion-proof and anti-corrosion treatment in the working room of the vacuum dryer, and items that are easy to be exposed, explosive, and prone to produce corrosive gases are not allowed to be used in the vacuum dryer.
4. The vacuum pump cannot work for a long time. Therefore, when the vacuum degree reaches the requirements of the vacuum dryer, the vacuum valve should be closed first, and then the power of the vacuum pump should be closed. When the vacuum degree is lower than the requirements of the vacuum dryer, the vacuum valve and vacuum pump should be opened again. Power on, continue to pump vacuum, which can prolong the service life of vacuum pump.
5. If the items of the vacuum dryer are wet, it is best to add a filter between the vacuum box and the vacuum pump to prevent the wet gas from entering the vacuum pump and cause the vacuum pump to malfunction.
6. The items of the vacuum dryer, such as the vacuum dryer, are changed to light weight and small volume (small particles), and a barrier net should be added to the vacuum port in the working room to prevent the vacuum dryer from being sucked in and damaging the vacuum pump. (or solenoid valve).
7. After the vacuum dryer has been used for many times, the phenomenon of inability to vacuumize will occur. At this time, the door seal should be replaced or the extension distance of the door buckle on the box should be adjusted to solve it. When the temperature of the vacuum dryer is higher than 200°C, slow air leakage will occur (except 6050, 6050B, 6051, 6053). At this time, remove the back cover of the vacuum dryer and screw it with an Allen wrench. Loosen the heater base, replace the sealing ring or tighten the heater base to solve.
8. If the rubber stopper of the air release valve is difficult to rotate, it can be lubricated with an appropriate amount of grease inside.
9. Except for maintenance, the left box cover (except 6090 and 6210) cannot be disassembled to avoid damage to the electrical control system.
10. The vacuum dryer should be kept clean frequently. The door glass should not be wiped with reactive chemical solutions, but should be wiped with a soft cotton cloth.
11. If the vacuum dryer is not used for a long time, wipe the exposed electroplating parts and apply neutral grease to prevent corrosion, and put on a plastic film dust cover and place it in the room of the vacuum dryer to prevent the electrical components from getting wet damaged, affecting use.
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