1.      Before replacing, it should pay attention to whether the OEM NO of the new filter is the same with the one that will be replaced 

2.      One engine could have a few oil filters and the OEM NO is different. When changing, it need to check the OEM NO accordingly

3.      For the engines which has a few oil filters, it should replace all the other oil filters at the same time

4.      Bring more than two belt wrenches

5.      When replacing, make the self-starting engine in “STOP”state

6.      Workers cannot wear the clothes or goods that is easily rolled to the engine

7.      Replacing oil and oil filter at the same time