Cant find the regulator screw ~ how to adjust?

How do I adjust the regulator?

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Bill says...

I'm trying to understand what it is about your regulator, without any real information, that would prevent you from figuring out how to adjust the pressure? I can't.

Why not have a look on this page about compressed air regulators?

In the photo on this page, the regulator adjusting knob is on the right. Your regulator adjustment knob should look something like this one.

Cheers,

Bill