Paint leakage from the needle seal indicates that the seal is not clean. Therefore, removing the seal and cleaning it thoroughly is necessary.

The air cap may be obstructed, or the nozzle may not be correctly installed on the gun head.

Internal seal ring wear or loss within the air valve. Replacement of the seal ring is necessary to resolve this issue.

Worn or missing seal ring. Replacement of the seal ring is required to address this problem.

Internal seal ring damage or breakage. Replacement of the seal ring is necessary.

Possible Causes:1.Insufficient paint in the gun cup, requiring a refill.