No a miller 140 does not need to be calibrated all that must be done is to set the drive roll pressure so that the rolls will slip if the wire binds up a little bit and adjust the wire speed and voltage so that the sound that is made during welding is the sound of bakon frying in a frying pan. Hope This Helps Don
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No a miller 140 does not need to be calibrated all that must be done is to set the drive roll pressure so that the rolls will slip if the wire binds up a little bit and adjust the wire speed and voltage so that the sound that is made during welding is the sound of bakon frying in a frying pan. Hope This Helps Don