Underframe Flashcards
What does the MR do?
Stores comp air for pneumatic equipment
Where is the MR located?
B side of every car
Where are the MR isolating cocks?
End of each car
What do the surge res do?
Supplies comp air to the air bag suspensions at each bogie
What do the brake supply reservoirs do?
Supply comp air to the EP valves to charge the BC
Where is the primary suspension?
Between the bogie frame and the axle box
Where is the secondary suspension?
Between the bogie frame and car body
What is the secondary suspension?
Air bags
What do the air suspension isolating cocks isolate?
Isolates the surge res for its bogie
What are the isolating cocks under the coupler cover? (5)
Uncouple device iso cock
Towing unit iso cock
BP end cock
MR end cock
Horn isolating cock
What is inside the brake control module of a Tc car? (5)
Brake supply iso cock
BC bogie 2 iso cock
BC bogie 1 iso cock
Tread scrubber iso cock
Sanders iso cock
Where is the BCU?
Inside the BCM of every car
What does the BCU do?
It’s a computer that controls the application and release of EP friction braking
What is the primary suspension?
Rubber laminated springs
What does the towing unit do?
Provides the means for HCMT brake control to interface with traditional brake pipe connections