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lag behind the increased fuel supplied to the engine enter the engine along with the increase in the fuel enter the engine before the increased fuel supply leave the turbocharger as a negative pulse
temperature of compression atomization of the fuel penetration of the fuel all of the above
increasing the quantity of starting air increasing the lube oil pressure heating the engine fuel supply heating the engine coolant
fuel must be preheated intake air should be preheated lube oil outlet temperature should be increased 20 ℃ above normal none of the above
a higher cetane number of fuel oil the diesel fuel used having a high viscosity mechanical rigidity in the lube pump mechanism a decrease rigidity in the fuel pump delivery pressure
line up the engine fore restarting with light diesel oil reposition the fuel injection cam change the intake and exhaust valve cam positions place the starting cam in the intermediate position
increase engine power increase engine load decrease engine power improve fuel economy
clogged filters poor combustion overloading of the diesel shock of fuel lines
smoother engine operation advanced fuel ignition increased fuel economy reduced engine power
fuel pumps cylinders fuel strainers all of above
increase in engine speed increase in cylinder turbulence leaking needle valve reduction in cylinder turbulence
fuel control rack had admitted excessive fuel engine speed does not match the fuel rack setting engine has failed to reach its firing speed starter pinion and ring gear contact is not correct
starting air and fuel pumps piston cooling pumps exhaust valves all of the above
The diesel oil must never be allowed to mix with the heavy fuel The temperature of the fuel from the pre –heater should be gradually reduced afterswitching over the three –way valve The heating steam to the pre-heater should be secured as soon as the diesel fuel passesthrough the three-way valve The heating steam must be secured before the diesel oil passes through the three-wayvalve
ignition lag engine horsepower lube oil system pressure specific fuel consumption
prolong the ignition delay period ensure the beginning of fuel injection thoroughly utilize the air charge allow controlled fuel combustion
improper adjustment contaminated fuel kinked fuel lines excessive engine vibration
increasing the quantity of starting air increasing the lube oil pressure heating the engine fuel supply heating the engine jacket water
reduce the engine driven fuel pump outlet pressure retard the fuel injector timing to reduce power increase the fuel rack setting reduce the load on the engine
as much fuel as less fuel than less fuel as more fuel than
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