This may mean that the priests placed hot coals on the altar, then placed the wood on the coals. Or you may need to reorder this as in the UDB. Alternate translation: "will put wood on the altar and light a fire" (See: [[rc://en/ta/man/translate/figs-events]])
This is an idiom that means to keep putting wood in the fire. Translate this idiom so it is understood that the fire on the altar must be kept burning. Alternate translation: "to keep the fire burning" (See: [[rc://en/ta/man/translate/figs-idiom]])