1. Composition:

The return check valve is made of the valve body、steel ball、 steel ball seat、spring and so on.

2.Function:

Return the oil separated by the oil-gas separator to the main motor smoothly and make sure the oil will not regorge to the oil-gas separator.

3.Disassembly:

There is a junction on the valve body. Turn on this and take out the spring、steel ball and steel ball seat.

4.Cleaning:

Use the detergent to clean the valve body、spring、steel ball and the steel ball seat. There is the strainer in the part of the return check valve. If so, clean the strainer together.

5.Assembly:

Assemble the return check valve according to the reverse order of the disassembly.