How to solve the problem of pump head getting stuck?

If the pump head of the vacuum bottle gets stuck, you can try the following methods to solve the problem:
1. Check and clean the pump head
Check for blockage: The pump head may be stuck due to foreign objects or impurities inside. The pump head can be disassembled, checked for any blockages inside, and cleaned with a soft bristled brush or fine needle.
Clean up oil stains or residues: If there are oil stains or residues inside the pump head, you can rinse it with a small amount of alcohol or water, but be careful not to let the liquid enter the bottle.
2. Manually loosen the pump head
Gentle rotation: After confirming that the pump head is not severely damaged, you can try gently rotating the pump head to see if it can loosen. If the pump head is tightly clamped, you can use pliers (be careful to wrap the pump head with cloth to prevent damage) to gently rotate it.
Soaking softening: If the pump head gets stuck due to drying or hardening, it can be soaked in warm water for a few minutes, and after softening, it may become more prone to loosening.
3. Check the inside of the vacuum bottle
Check the position of the piston: Sometimes the pump head gets stuck because the piston inside the vacuum bottle has not been properly reset. You can carefully press the piston to the bottom and reinstall the pump head.
Clean up impurities inside the bottle: If there are impurities or residues inside the bottle, it may affect the normal operation of the pump head. Can clean the inside of the bottle to ensure cleanliness.
4. Replace the pump head
If the pump head is severely damaged and cannot be repaired, it is recommended to replace it with a new pump head. After purchasing the compatible pump head, carefully install and test its functionality.
matters needing attention
During the operation, be careful to avoid further damage to the vacuum bottle.
If unsure how to operate, it is recommended to contact professional maintenance personnel or brand after-sales service for handling.
I hope these methods can help you solve the problem!