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The listing of oil-free screw vacuum pumps has been recognized by many industries, because the equipment has a simple structure, low energy consumption and high work efficiency, so it has been applied in many industries. However, the mechanical equipment will inevitably appear "strike" situation, so in order to avoid problems with the screw vacuum pump, it is necessary to regularly maintain and maintain, so as not to delay the work progress, and each part will not easily appear problems, the following will tell you about the problems that are prone to occur in the process of use.

1. When the dry screw vacuum pump has abnormal noise or violent vibration, it must be shut down immediately for corresponding maintenance work.

2. Personal safety accidents occur due to operating environment problems.

3. The current of the motor suddenly fluctuates greatly.

4 Dry screw vacuum pump due to the temperature in the pump exceeds the specified value, resulting in smoke or burnt taste.

5. Evacuation or cavitation occurs, abnormal changes in pump pressure, and pump body burns.

6. The pump body pricks water, the machine pump rotor is shifted or the water injection station system can leak. The pipeline is ruptured.

7. Bearing bush water, lubricating oil serious discoloration, or high water content.

8. The water injection pipeline has high pressure, small displacement or can not be drained, and low efficiency.

As long as the above situation occurs when we use the screw vacuum pump, we must immediately stop the equipment for inspection, deal with the problem immediately after finding it, and then start to continue to use it.