Reasons and countermeasures for paint leakage at nozzles

In the process of using the airbrush, there are sometimes some problems. Now we will conduct a detailed analysis of the phenomenon of the airbrush, and analyze the reasons according to the phenomenon and find out the solution.
 Rotate the paint flow adjustment knob to increase the stroke of the needle valve
Paint leaking from the nozzle
reason:
1. The thimble sealing nut is too tight
2. There is a foreign body inside the nozzle port
3. The nozzle and thimble are not matched or damaged
4. The thimble return spring is broken or not installed
Countermeasures:
1. Loosen the thimble sealing nut
2. Clean the nozzle
3. Replace the nozzle set
4. Replace the thimble return spring or install the thimble return spring