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Step-by-step Guide: How to Adjust Eaton Pump Pressure


STEP ONE: Locate the plastic cap that has some aluminum tab. It has an Allen screw fitting underneath it. Break it and pop it off. You’ll wreck the cap in the process, but that’s okay.

STEP TWO: Next, remove also the secondary safety piece that looks like a ring

STEP THREE: Loosen the jam nut against the pump body to change the pressure setting

STEP FOUR: While the jam is loose, giving a quarter of a turn clockwise will increase the pressure. Counter clockwise will decrease the pressure.

Note: A quarter of a turn will give you about 100-150 psi increase/decrease

STEP FIVE: Once desired pressure setting is achieved, tighten the jam. Double check your system pressure, and repeat the process as needed.

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Dan Symington

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