The Levites go in, to wit, into the court, where they were to wait upon the priests at the altar of burnt-offering; and, at present, into the tabernacle, to take it down and set it up.
Related Commentaries of Numbers 8:15
Numbers 8:15
15 And after that shall the Levites go in to do the service of the tabernacle of the congregation: and thou shalt cleanse them, and offer them for an offering.