Charles Ellicott Commentary 2 Chronicles 35:2

"And he set the priests in their offices, and encouraged them to the service of the house of Jehovah." — 2 Chronicles 35:2 (ASV)

Set the priests in their charges. —Literally, over their wards (2 Chronicles 8:14). The king appointed them to discharge their proper duties in connection with the rite.

Encouraged them. —By exhortation and instruction. (See an instance in 2 Chronicles 29:5 and following).