Vlocity Traction And Fuel System Flashcards
1
Q
What is the idle speed for Vlocity traction engine?
A
750rpm
2
Q
What is the max design speed for the Vlocity traction engine?
A
2100rpm
3
Q
What functions does the traction control equipment provide?
(3 answers)
A
- Primary pumping of fuel to traction engine for smooth starting
- disengages after engine accelerates above normal cranking speed
- traction engine revs controlled by the ECM (engine control module) which depends on position and demands on power/brake controller
4
Q
What is the purpose of the traction safe system?
A
To prevent movement of the train in an unsafe operating state
5
Q
When does the traction safe commence operation?
(5 answers)
A
Battery jumper cable connected
Brake pipe below 350kpa
Door/s are opened
VC penalty brake
Penalty brake valve isolated
6
Q
What speed is Vlocity restricted to when penalty brake valve is isolated?
A
130km/h
7
Q
All Vlocity units have a genset fuel isolation cock located externally next to the genset?
A
True