microwave smoke after magnetron replacement

[bkrish]

just changed the magnetron on a ge microwave.  there is heat but a lot of smoke as well.  checked the wave guide plate. no Mark's. checked the cap on magnetron, no burn mark. any suggestions.

[Vance R]

On 9/24/2022 at 7:38 AM, bkrish said:

there is heat but a lot of smoke as well. 

Where is the smoke coming from inside the cavity, inside the mag, transformer area. The smoke smell electrical of like food or grease?