Repair of brush cutter a terrible metallic sound piston return stroke

In this video, we reviewed the repair of a Chinese brush cutter with a 33-cc piston. The reason for the appeal is: wedge, it hits the return line and there's a clap of noise, a terrible metallic sound. What is the breakdown in such symptoms and how to repair, certain moments of disassembly and assembly - look and comment ... And also related videos on the topic:    • Люфт коленвала гробит сальники, КАК У...      • Реставрация свечного отверстия  цилин...      • Бензокоса прогреется и глохнет (Замен...