Regulator Rebuilding Kit for Kirby Morgan Dive Helmets 17B 27 37 37SS and Kirby Morgan Bandmasks 18B and 28B. To disassemble remove the regulator from the mask or helmet and disassemble following the procedures outlined in the Product Manual. Clean all metal parts in a sonic cleaner or in white vinegar and blow off with air. Inspect all parts carefully. Replace any that are worn or damaged as well as all that are supplied in the repair kit.