DOB had us tuck the diode up against the brim out in the field, the few factory shipped units did have them stuffed under the device however. The key is it has to track the heated semiconductor.
The "War of the Worlds Mars invader" look alikes are best replaced at this time also. The diff pair get noisy and and for a few dollars would be silly to leave them in there.
The "War of the Worlds Mars invader" look alikes are best replaced at this time also. The diff pair get noisy and and for a few dollars would be silly to leave them in there.