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Carry out soot blowing if permissible Change fuel supply to diesel oil Close steam stop valves on boiler when pressure is reduced Drain boiler empty when it has cooled down
Safety valves Water tubes Steam stop valves Blow down valves
fuel valves of main engine injector pump of main engine safety valves of marine boiler safety valves of a reciprocating pump
stop valves check valves safety valves reducing valves
fuel valves; exhaust valve exhaust valves; inlet valve fuel valves; inlet valve exhaust valves; fuel valve
in boiler drums in refrigerating plants in starting air pipes in air coolers
Motors Check valves Safety valves Reducing valve
Clean all electrical connections Lift the relief valves by hand Inspect and clean all solenoid valves Inspect for oil and water leaks
clean the flame scanner photocell window Inspect and clean all solenoid valves lift the safety valves by hand Inspect for oil or water leaks
relieve excess fuel oil pressure during the “off ” fire cycle admit water to the dry pipe throttle the forced draft fan output for proper combustion reduce excess steam pressure in the boiler
feed pump suction line hot well shell of the feed heater feed lines to the boiler
The boiler oil tank The steam pipe The fire side The safety valves
remove suspended and precipitated solids from the boiler water completely drain the boiler in an emergency situation prevent hardened scale deposits in the water drum remove floating impurities from the oily water surface
steam demand is high salinity is high safety valve simmers burner flame is extinguished
Relief valves Check valves Safety valves Reducing valve
The safety valve escape piping should be disconnected from the valve body and a blankinserted The boiler vent valves should be opened All handhole/manhole covers should be tightened up as much as possible to precludeany leaks All of the above
completely drain the boiler in an emergency prevent sludge from forming in the drum remove floating impurities from the boiler water surface remove settled solids from the water drum
theS.W outboard valves the tailshaftL.O stop valve the drain valve of the boiler propeller shaft sealing device
completed carried out cleaned steamed
use release protect effect
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