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hold the valves open keep the valves off their seats until the exhaust stroke is completed close the valves open inlet valves when the air injection cycle begins
heavy carbon deposits will buildup on the valves and in the exhaust fuel dilution is increased at low load exhaust valves may be damaged all of the above
a leaking fuel injector nozzle a clogged air filter excessively early fuel injection malfunctioning valves
improperly seating intake valves leaking cylinder liner seal rings late fuel injection timing carbon deposits on the piston
a leaking fuel injection nozzle a clogged air filter early fuel injection burned valves
fuel line connections to cylinder injection valves gasket surfaces of the fuel oil filters discharge fitting of the fuel injector pumps suction side of the fuel oil tran
early fuel injection timing leaking valves a continuously open scavenge air port low cooling water temperature
fuel valves; exhaust valve exhaust valves; inlet valve fuel valves; inlet valve exhaust valves; fuel valve
exhaust valves mechanical lubricators cooling water pumps fuel injection pumps
engine overload leaky valves stuck or broken piston rings low air injection pressure
expansion of the combustion gases exhaust and intake valves just closing maximum compression is just being attained fuel injection occurring at that point and combustion begins
increase the starting air pressure use a higher than normal cranking speed increase the fuel injection pressure use a fuel having a lower ignition temperature
because though since until
turn engine with jacking gear drain filters and strainers and bleed off water at each injection pump use ether to start the engine with blow-down valves open blow through the cylinders and fuel lines with a drying agent
the exhaust valves the fuel valves indicator cocks the fuel pumps
backfire through the air intakes develop less power under load have high firing pressures lift its cylinder relief valves
by injection pumps at a time decided by the injection pump timing by a signal opening the magnetic valves at a time decided by the cam directly
corrosion and grooving of exhaust valves corrosion and gumming of the fuel injection pump salt deposits in the exhaust manifold slag deposits in the fuel injection equipment
a leaking fuel injector nozzle a clogged air filter excessively early fuel injection malfunctioning valves
Plugged injector nozzles Excessive fuel injection Very late injection timing Incorrect crankshaft clearance
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