Traction Defects

Question 1

How are traction faults identified?

Answer 1

Local fault light (overloads)
Line switch fault light (motors)
This Car Light (this MC)

Question 2

What do you have to do to make sure This Car Light is indicating a fault?

Answer 2

Take local park brakes off.

Question 3

What does the Control Res supply?

Answer 3

Main equipment case

Line breaker case

Question 4

What pressure does the Control Res store compressed air at?

Answer 4

490kPa

Question 5

What happens if there is a rupture in the control res or relevant ICs are isolated?

Answer 5

Switches/line breakers remain open and traction power is not available in that car.

Line switch fault light will illuminate

All other cars will power normally

Traction motor cut out switch needs to be put to All Out and TMM submitted

Question 6

What equipment needs 1500VDC?

Answer 6

Traction motors
Motor Alternators
Air compressors

Question 7

What positions does the Traction Cut Out switch have?

Answer 7

All In

1&2 Out

3&4 Out

All Out

Question 8

What key do you use to operate Traction Cut Out switch?

Answer 8

Comeng Controller Key

Question 9

What button do you press to reset traction faults?

Answer 9

Traction equip reset button

Question 10

What is the procedure to isolate motors?

Answer 10

MCH to OFF

Place controller key into Traction Motor Cut out switch key hole

Place switch to 1&2 Out. Traction motors 1&2 now isolated.

Press overload reset button

Go for power … If Line Switch does not illuminate fault has been isolated.

If illuminated do same for 3&4 … and then All Out

Question 11

If Main Switch has been isolated are we allowed to turn it back?

Answer 11

No

Fitters only