Defective Trip, Miscellaneous

Question 1

What do you do if the Trip fails to reset after activation?

Answer 1

Operate Trip Cock Bypass

Run on secondary safety circuit

Question 2

What do you do if the Trip fails to reset after mechanical defect?

Answer 2

Operate Trip Cock Bypass

Isolate Trip CB behind fire extinguisher panel

Run on Secondary Safety Circuit

Question 3

What might you also have to do if you operate Trip Cock Bypass?

Answer 3

Operate the Safety Loop Bypass Key Switch

Question 4

How do you operate on the secondary safety circuit?

Answer 4

MAD button Flashes 45 seconds

Tone then sounds for 10 seconds

Question 5

What do you do if the Trip cable is defective?

Answer 5

Attempt to raise and secure Trip manually using cable ties

Question 6

What happens to VICERS when Safety Loop or Trip is Bypassed?

Answer 6

Siemens automatically isolates VICERS

If it doesn’t driver needs to do it

Question 7

What do you do if MCH fails - cannot operate brake?

Answer 7

MCH to EMERGENCY
if fails…
Emergency Stop Button
if fails …
Park Brake to ON
if fails…
Master Key to OFF

Question 8

What do you do if headlights fail to operate when switch is placed ON?

Answer 8

Check:
External Lights Control CB

External Light Supply CB

DC-DC Inverter, front light, Wiper CB

If doesn’t work TMM and operate under no headlight rules

Question 9

What do you do if there is a fire on train?

Answer 9

Turn HVAC rotary switch off

Evacuate passengers at a station

Use DER handles if necessary

Use fire extinguisher if safe

Question 10

How would you know if you have skidding wheels/locked axles?

Answer 10

Wheel slip indication light illuminated

Retardation

Smoke

Squealing noise

Question 11

What do you do if you have skidding wheels/locked axles?

Answer 11

Stop train

Report to TC

RTA,full cab unattended, PA

Inspect train

Mark suspected wheel

Move train forward and check wheel for rotation

Clear section at 5kmh

locked wheels must be sandwiched