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crankcase cylinder head valve cover engine frame
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a cracked cylinder liner excessive water in the fuel a leaking intercooler excessive moisture in the scavenge air
crankcase pressure lube oil pressure saltwater pressure exhaust temperature
wrist pin bushings compression rings cylinder liner seals cylinder liner sealing ring
crankcase cylinder scavenge box piston
turbocharger malfunction or failure crankcase exhauster overload overload on the intercooler obstruction in the engine cylinders
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Through the crankcase exhauster As water vapor contained in blow-by Demulsifying lube oil passing through the main bearings Condensation from vapor formed in the expansion tank
Open the crankcase immediately to check for damage Apply fire fighting water through the crankcase breather Allow the engine to cool before opening the crankcase Assume that there is no damage to the crankshaft
a cracked cylinder head a leaky cylinder head gasket a cracked cylinder liner any of the above
check the pyrometer readings check the crankcase oil level check the fuel oil strainers clean the fuel system
increase exhaust back pressure causes excessive crankcase pressure can only be detected by a compression check decreases fuel consumption
just below the crankcase the oil cup for the exhaust valve the pan for collecting drain fuel oil oil circulating pump
the engine was over filled there might be a fuel leak there might be a water leak all of the above
immediately open all crankcase relief ports increase crankcase exhauster speed to draw cool air into the engine allow the engine to cool naturally increase crank case scavenge air to remove unburned gases
free entry of air to the crankcase water entering the crankcase while engine wash-downs are being performed excessive oil leakage during periods of increased blow-by sub-cooling internal components
The cylinder indicator cocks should be opened The sump lube oil scavenge pump should be secured immediately The explosion relief valves should be manually opened The crankcase should remain unopened until the engine has cooled