活塞销两端有两道槽,是装活塞销卡簧用的。卡簧的作用,是防止活塞销在工作中产生轴向窜动。有些新手在修理或更换活塞销时,往往忘了装活塞销卡簧,活塞销在工作中就会产生轴向窜动,刮伤气缸壁,甚至“拉缸”。千万别忘了装 Piston pin at both ends of two slots, is installed piston pin retainer. The role of circlip is to prevent the piston pin in the work of axial play. Some newcomers often forget to install the retainer pin retainer when repairing or replacing the retainer pin. The retainer pin will generate axial play during operation, scratch the cylinder wall and even pull the cylinder. Do not forget to install