Engineering Flashcards
How long to allow engines to cool prior to shut down?
At least 3 minutes
Backflush max RPM
1000 no more than 30 seconds
Normal MDE oil pressure
116-131 psi
Normal MDE water temp
176-185°F
Normal R/G pressure engaged
260-304 psi
Normal R/G pressure disengaged
50-90 psi
Normal engine RPM range
2300-2500
Disabling MDE oil pressure
<81 psi
Disabling MDE water temp
<104°F and >208°F
Major MDE water temp
190-198°F
Restrictive MDE water temp
199-207°F
Disabling R/G pressure engaged
<230 psi and >310 psi
Restrictive MDE RPM
<2300
Normal engine RPM
2450 RPM
Disabling surge
over 50 RPM
Disabling F/O dilution
5% or above
Hot surface
over 400°F
Disabling F/O leak
If on a hot surface
Restrictive F/O leak
One drop within 10 minutes
Restrictive J/W, R/W, L/O, Hydraulic fluid, or gear oil leak
More than 15 drops per minute
What does the engine designation mean?
10 cylinder
V configuration
2000 series
Model 92
Rotation of engine
Counterclockwise from rear of engine
Horsepower
1360