
Field re-calibration is seldom necessary unless the unit has been mishandled in transit or abused. Re-calibration should not be resorted to unless considerable experience with cooking results definitely proves that the control is not maintaining the temperature to which the dial is set. 1. To check compound frying temperatures when re-calibrating, use a precision test instrument, or a good grade mercury thermometer. Fill the tank half way between the MAX and MIN marks on the tank. 2. Frying comp