Steam boiler maintenance on a Smith Series Boiler with Cast Iron Plumbing. First i start to drain the water level to below the McDonnell & Miller Low Water Cut Off Probe. While thats draining I clean and check the Honeywell Pressuretrols on the system as well as clean the pig tails for them. The sight glass is cleaned at this time as well. The McDonnell & Miller 51-2 Boiler Water Level Control is flushed to make sure the plumbing operates properly. Everything is Put back together and the Power Flame Burner on the boiler is run to observe its operation. All the safety switches are exercised to check operation.
1:31 Cleaning Boiler Pressuretrols
3:44 Cleaning McDonnell & Miller LWCO Probe
4:50 Cleaning the Sight Glass
5:22 Problem with McDonnell & Miller 51-2
8:28 Running Power Flame Burner, Checking Limit Circuit
16 сен 2022