Exodus 29:25

Finally, Moses is himself the priests being not as yet fully installed, and authorized to do so themselves to take the offerings from their hands and burn them upon the altar. In Leviticus 8:28 the parts thus burnt are expressly called the installation(-offering).

burn them consume them in sweet smoke, as v.18.

upon the burnt offering mentioned in v.18.

for a soothing odour before Jehovah] See on v.18.