Yong Heng Screw-up!

I made a stupid move and need guidance please.I was playing around with various types of intake filters and a piece of fiber got sucked in. I immediately turned it off and removed the 2nd stage cylinder and didn't find it.

Before is disassemble the whole thing, can someone please explain or show a diagram of the airflow?

Where do you think the piece of fiber ended up?Ponz
 
I found it. It was atop the 1st stage cylinder. Glad I turned her off immediately!
One positive is that you now can disassemble and change the piston in your yong heng...I have rebuild my yong heng 7 times in three years. Can do it in about 30 minutes now... So $30.00 for piston gasket rebuild kit