The people did everything the Lord had commanded Moses concerning the Levites. And so the Levites were qualified to work in the Tent under Aaron and his sons.
King Hezekiah reestablished the organization of the priests and Levites, under which they each had specific duties. These included offering the burnt offerings and the fellowship offerings, taking part in the Temple worship, and giving praise and thanks in the various parts of the Temple.
Instead, put the Levites in charge of the Tent of my presence and all its equipment. They shall carry it and its equipment, serve in it, and set up their camp around it.
The Levites purified themselves and washed their clothes, and Aaron dedicated them as a special gift to the Lord. He also performed the ritual of purification for them.