SOURCE: Suggested oxygen pressure
first of all good luck welding aluminium with a mig no disrespect intended but your gas pressure with change depending on the place you will be welding at 20psi is a good starting point
SOURCE: i have a lincoln
you can weld aluminum with the lincoln but you will need to change the liner in the wand to a nylon one and swich the gas to 100% argon and of course change the wire to an aluminum roll. and practice-practice-practice it is much more difficult to weld aluminum then steel and requires much more control.
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