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Dip your finger into a small container of water and wipe a few drops onto the fitting flange and into the top chamber and bore of the suction cup. Use only water-no soap or oil. Water will quickly evaporate and leave no residue to later affect the cup’s performance.
Invert the suction cup and place it onto the flange as shown. Grasp the far side of the cup and pull it over the flange while pressing downward. After the cup snaps over the flange, rotate the cup on the fitting about ½ turn to make sure it is properly seated. |
