They put the sacred chest on a new ox cart and started bringing it down the hill from Abinadab's house. Abinadab's sons Uzzah and Ahio were guiding the ox cart,
The first time we tried to bring the chest to Jerusalem, we didn't ask the LORD what he wanted us to do. He was angry with us, because you Levites weren't there to carry the chest.”
Their duties at the tent included taking care of the sacred chest, the table for the sacred bread, the lampstand, the altars, the objects used for worship, and the curtain in front of the most holy place. The Kohathites were responsible for setting these things up and taking them down.