A.relight the boiler immediately to prevent loss of steam pressure
B.relight the fire off the brickwork as the bricks are cherry red
C.purge the furnace of any combustible gases before attempting to relight the fire
D.speed up the feed pump to prevent dry firing when the burner flame is reestablished
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A.in the event of a flame failure
B.in the event of a stack fire
C.when the water level reach the crown sheet
D.when the feed pump discharge pressure drops to a preset minimum
A.a burned out solenoid in the oil supply valve
B.high temperature excess air
C.incorrectly setting the hot-well dump valve
D.an incorrectly positioned burner snubber realy
A.clean the flame scanner photocell window
B.Inspect and clean all solenoid valves
C.lift the safety valves by hand
D.Inspect for oil or water leaks
A.cold fuel oil
B.low fuel oil pressure
C.low atomizing steam pressure
D.water in the fuel oil
A.adding hydrazine
B.blowing down the boiler
C.adding phenolphthalein
D.adding a sulfite chloride scavenger
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