●巧查活塞环弹力　怀疑活塞环弹力不足时 ,可用同型号的标准新环 ,与被检查的旧环沿圆周摞在一起垂直放置 ,并使两环开口均处于水平位置 ,然后用手按压两环 ,若新环开口未动 ,旧环开口已合拢 ,说明旧环弹性良好 ,可以继续使用。●巧排机油泵内空气　 S1 95柴油机用的转子式机 ● Check the piston ring elastic Suspected lack of elastic ring, the same type of standard new ring can be used to check the old ring along the circumference of the stack vertically placed, and the two ring openings are in a horizontal position, and then hand-pressed two Ring, if the new ring does not move the opening, the old ring has been closed, indicating good elasticity of the old ring, you can continue to use. ● Cleverly arrange the air in the oil pump S1 95 rotor machine for diesel engine