CPU or Mobile Chipset rehot tips

To do rehot CPU or UEM etc. Maybe these tips can help reduce the risk of becoming permanently damaged board. Especially for beginners ...
CPU Rehot Step:

1. Give Flux taste. If you can use a paste Flux
2. Remove all components that are not heat resistant, such as camera, doom keypad, LCD etc. It keeps the components are not damaged.
3. Do not directly point the blower in the direction of the cpu or UEM wants in rehot, but the point on the outer side / side of the component is rather broad. It is intended that the expansion that occurs during heating can be uneven, especially on board. If it feels it has enough new point on the components that would in rehot while in touch gently with tweezers or aids another.
4. Do not use a blower with air that is too slow. because it makes the hot steam can not penetrate the gaps in the components that would in rehot.

So hopefully useful ....