From the point of use, how to avoid the cylinder head cracks it?

We can see from the following aspects:

1. Assembly should be to check the flow of cooling water hole. On a regular basis with alkaline cleaning solution cooling system in a timely manner to remove scale oil pollution.

2. Engine work is occasionally water tanks shall not die immediately, but low-speed operation of the water slowly. Not allowed to take the engine after heat cold water, parking and so should the water temperature to 40 ℃ under water before. Winter season can not start immediately add boiling water, and it should allow the heated water and add boiling water.

3. It should be soft water tank, and changing the water as little as possible.

4. Diesel should be avoided in the long-term work overload.

5. Cylinder head bolts evenly to the tight oil supply and the right to adjust the time.