... smaller.Gun leaking, pump quick head connector leakingReasonPoor connection of power plug, fuse is damaged, car cigarette lighter has thermal protection.Gun ... .Quick changing head O-ring is changed.SolutionAfter checking, re-plug the power cord, replace the 10A fuse, after cool for 5 ... , and spray out high-pressure water. Pull out the cigar power plug,and pull out the hose from the high-pressure hose ...