R 325.17403 Button and lint traps.

Rule 403. (1) Button or lint traps on dry cleaning machines shall be designed so as to prevent loss of solvent or solvent vapor. (2) A solvent bypass arrangement shall be provided for the button or lint trap if overflow might occur due to partial or total blocking of the trap. (3) A button or lint trap cover shall be kept closed during normal operations of the dry cleaning machine.