目前,各地都在对解放CA10B发动机挖潜改型,原缸盖结构也有改变。如西北地区大多换用了西安公路学院设计制造的“梨形”燃烧室缸盖,这种缸盖将火花塞位置由原来CA10B进气门上方移至气门上方。在找一缸上止点时,应拆下第二缸火花塞,并将该火花塞倒置(比螺丝刀方便)插在汽缸里,顶在第四个气门上面。另一人摇转发动机,当火花塞慢慢被 At present, all over the liberation of CA10B engine tapping modification, the original cylinder head structure has changed. Such as the Northwest most of the use of Xi’an Highway College designed and manufactured “pear-shaped” combustion chamber cylinder head, the cylinder head spark plug location from the original CA10B intake valve above the valve moved above. When looking for a cylinder top dead center, remove the second cylinder spark plug and insert the spark plug upside down (easier than a screwdriver) in the cylinder, over the fourth valve. The other person swung the engine when the spark plug was slowly being