DS21 & DS21M / DS19A & DS19MA Repair Manual — Page 118

11. Insert the end of the in the petrol tank and engage fully the rubber pipe (2) on, the petrol tank union tube (1). 12, Cut the rear end of the obliquely, close to the bottom of the tank and fit the drain plug (insert the gasket). 13, Refit the petrol tank cover panel, Tighten the fixing screws (plain washers under the heads), 14, Refit the rear seat and squab. 15, Engage the front part of pipe (3) through the opening in the closing panel.