缸盖是发动机的重要零件，大都用铸铁或铸铝制成。其结构复杂、价格也高，有时还难以买到；如果使用不当，容易产生裂缝，而且修复困难，从而会耽误生产，给用户造成很大损失。现将防止缸盖产生裂缝的经验介绍如下。1．水箱开锅时不可突加冷水水冷式发动机的水箱开锅时，冷却水 Cylinder head is an important part of the engine, mostly made of cast iron or cast aluminum. Its complex structure, the price is high, and sometimes difficult to buy; if used improperly, prone to cracks, and repair difficulties, which will delay the production, causing great losses to users. Now to prevent the cracks in the cylinder head experience is described below. 1. When the water tank can not be overturned when boiled Water-cooled engine’s water tank to open the pot, the cooling water