I and some other enthusiasts have been fixing up a 3T22 in Mapleton Utah here are some photos of the siren and the controls
AF2 timer
RC6A-240
3t22A
3t22A
damper plate
intake after damper removal
videos (other enthusiasts videos not mine)
before fix [youtube]https://youtu.be/_yU8Z8WTbco[/youtube]
fixing the 3t22 [youtube]https://youtu.be/bnGxq7DyQJs[/youtube]
controls test [youtube]https://youtu.be/D6dBBzlpdiA[/youtube]
noon blast after fix [youtube]https://youtu.be/-qrDhVFfCSI[/youtube]