3. Glass reaction kettle (the interfaces of glass reaction kettle should not be screwed too tightly, but should be loosened regularly to avoid long-term locking leading to connector seizure.

4. Glass reaction kettle (first turn on the power switch, and then let the machine run from slow to fast. When stopping, make the machine in the stopped state, and then turn off the switch.

5. The Teflon switches of glass reaction kettle (everywhere) cannot be tightened too hard, which is easy to damage the glass.

6. Glass reaction kettle (after each use, all kinds of oil stains, stains and solvent residues on the surface of the machine must be wiped with a soft cloth to keep it clean.

7. Glass reaction kettle (after shutdown, loosen all Teflon switches, and standing still for a long time will deform the Teflon piston.

8. Glass reaction kettle (clean the sealing ring regularly. The method is: remove the sealing ring, check whether there is dirt on the shaft, wipe it with a soft cloth, then apply a little vacuum grease, reinstall it, and keep the shaft and the sealing ring smooth.

9. The glass reactor (electrical part) must not be affected by water and moisture.

10. Glass reaction kettle (original authentic accessories must be purchased, and the random use of other accessories will cause fatal damage to the machine.

11. When making any repair or inspection on the glass reactor, be sure to cut off the power and water supply first.