Thursday, April 9, 2020

What are the reasons for a lot of deposits in the scavenge space of a marine engine?

The usual reasons for a lot deposits in the scavenge space of a marine engine are 
a. Chocking of the scavenge drains 
b. Blow-by due to broken or sticking piston rings
c. Excessive liner wear 
d. Faulty injection due to altered timing, bad fuel or incorrect atomization 
e. Blow back of exhaust due to increased exhaust back pressure 
f. Leaking piston stuffing box 
g. Excessive cylinder liner lubrication

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