LET Day 4 Review
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What is required to do during pretrip activities in the engine room?
- 3 fluid levels:
- Air compressor oil
All protective devices (do not reset crankcase over pressure)
Where are the fuel filters on an EMD engine?
What are the names of the fuel filters on an EMD engine?
What are the steps to add water to a locomotive?
- 1. Note sight glass
- 2. Shut engine down if running
- 3. Wait 4 minutes
- 4. Note sight glass
- 5. Vent for 1 minute
- 6. Fill if low on water
Where is the emergency fuel cutoff located?
- Engine control panel
- Either side by fuel tank
- Some start stations
Where is the MU Stop on an AAR control stand?
Where is the MU shutdown located on a desktop control stand?
What switch on the control stand has to be on to start the engine?
Control/Fuel Pump Switch
When is starting a diesel engine prohibited?
- 1. Hot engine and low lube oil indications are displayed at the same time
- 2. Crankcase over pressure is tripped
- 3. Indication of a governor shutdown occurs two consecutive times
How do you know the fuel system is primed?
- Sight glass is full
- 30 psi on gauge
- Prime for 30 seconds
What is the max crank time to crank when starting a locomotive?
After the locomotive has shut down 2 times (inspections showed nothing wrong after the first shutdown) what should you do?
- Call mechanical desk
- Only permitted to attempt to start 2 times
What are the steps to shut down an engine?
- 1. Isolate to start
- 2. Stop engine by pressing the engine stop button
- 3. Open radio breaker
- 4. Open battery knife
When a locomotive, in your charge is standing, and the temperature is 15 degrees or less, what do you do?
- 1. Place reverser in center position
- 2. Generator field in off position
- 3. Throttle in #3
What are the 2 things required of PPE?
Approved and Appropriate
When should you look both ways while on or about tracks?
- When getting on and/or off equipment
- When moving under or between equipment
- When throwing a switch
- Fouling or crossing a track
What is required when engine displays HOT ENGINE and LOW WATER?
Do nothing and contact Mechanical Desk
Where is the low water and crankcase over pressure located on an EMD engine?
Where is the Low Oil Pressure Device (LOPD) located on an EMD engine?
Front Center on Governor
Where is the Engine Overspeed Lever located on an EMD engine?
Behind the governor
Where is the Governor located on an EMD engine?
Where is the Governor located on a GE engine?
Where is the Overspeed Link located on a GE engine?
Where is the Crankcase Over Pressure located on a GE engine?
When starting an engine, what order should you do so?
- Engine Room
- Start Station
When dealing with locomotives that have special instructions pertaining to shutting them down, how should they be shut down?
Follow the shutdown instructions inside the cab
What to do inside the cab to start an engine?
- Battery Knife
- All circuit breakers
- Control/Fuel pump switch
- MU switch is not pressed
- Isolation switch to start
How can all locomotives that are on-line in a consist be shut down at once in the case of an emergency?
- MU Shutdown button
- Throttle to stop
When a locomotive has been operating in #8, how long should you wait to shut it down?
What is the one circuit that has to be left open on all locomotives?
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