Great minds think alike! I decided to take advantage of the warmer temperatures and clean the EFM today as well. I started by removing and refilling the oil tray, then I realized the "dogbone" was on backwards, the lower oil port was facing the blower housing. Checked the gearbox next, then gave the boiler a cleaning. I just shut off the power, never lost the fire either. I found about 4 inches of fly ash in the chamber in the base, then brushed out the 10 tubes. It was time. Also vacuumed all the fly ash out of the breech.
And you plate boiler guys think you have all the fun!