Skidding Wheels And Isolated Bogies Flashcards
Fault light for Skidding wheels on a motor car while coasting
Steady wheel slip light
Fault light for Skidding wheels on a motor car while powering
Flashing line switch and local
Steady wheel slip
This car if applicable
Fault light for Skidding wheels on a motor car while rheo braking
Steady wheel slip
This car if applicable
Fault light for Skidding wheels on a trailer car while coasting, powering and rheo braking?
Steady wheel slip
Locked or jammed wheels can be caused by?
Seizure of traction motor
Brake rigging/head failure
Axle box failures
Any other potential mechanical fault
Can you go forward if you leading axle is jammed?
No
What speed do you do until the track has been inspected and recertified?
15
What do you need to do when the brake block reaches 25mm and 10mm
Nothing for 25mm
10mm needs to be reported as worn
What do you have to do to the bogie if the backing plate come in contact with the whee?
Isolate the boggie
How long should the piston travels be on a westcode?
30mm to 65mm
What speed do you do with isolated bogies?
60km or less there is no speed restriction
Over 60 must be reduced by 10
If you have 50% to 80% braking avliable what speed do you do?
Extreme caution
If you have less than 50% available what happens?
Declare disabled
What are some reasons to isolate bogies?
Broken and incorrectly aligned brake rigging
Missing damage brake blocks
Turned brake heads
Sticking brakes
Incorrect piston travels
Broken or leaking BP equipment
What percentage of braking do you have on a 6 car train with one bogie isolated?
90%
