Loosen the bolts which hold the regulator to the door. These would be the ones for the slotted holes in the inner door metal. Roll the window up and manually work the glass in the fully up position. While holding the glass all the way up with the crank handle, tighten the bolts.
Carl

1952 5-window - return to "as built" condition | 1950 3100 with a 235 and a T-5 transmission