speedaire 10 hp two stage compressor - Adjusting air pressure

i have a horizontal speedaire 10 hp two stage compressor 2007 serial # 1451673.how do i adjust the air pressure?

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Bill says...

The cut in and cut out pressure is determined by the settings on your Pressure Switch.

The pressure you set for your downstream applications, the air tools or air cylinders etc., is handled by your Regulator.

Cheers,

Bill