修理发动机的时候,往往有一些小经验,能够减少失误,增加功效。(1)修理上海snh系列发动机,可以先用细铁丝或者旧的阻水圈或者细的绳子,把顶杆上面的调整螺丝固定一下,这样拆汽缸盖的时候,顶杆不会脱落。如果顶杆脱落了,往往会增加工作量。(2)修理上海snh系列发动机,495a系列发动机因为 When repairing the engine, there is often little experience that can reduce errors and increase effectiveness. (1) repair Shanghai snh series engine, you can first use the thin wire or the old water blocking ring or thin rope, the top of the screw adjustment screw above, so demolition cylinder head, the plunger will not fall off. If the plunger off, often will increase the workload. (2) repair Shanghai snh series engines, because 495a series engines