Underframe

Question 1

What is inside the Aux pneumatic panel?

Answer 1

Whistle
Uncoupling
Trip cock reset
Trip cock active
Aux pneumatic panel

Question 2

Brake indicator lights

Answer 2

Red - EP applied
Green - EP released

Question 3

Where are wheel slide sensors?

Answer 3

Wheels 2468 Mc and Tp

Question 4

What axles and wheels are park brakes on?

Answer 4

Axels 1,2,3
Wheels 1,3,7

Question 5

Can you manually apply park brakes

Answer 5

No

Question 6

When do the park brakes apply?

Answer 6

When stabling

Question 7

When do park brakes release?

Answer 7

MR 350

Question 8

Can you manually release park brakes?

Answer 8

Yes with AX key

Question 9

What’s in the E box

Answer 9

C/B and relays

Question 10

What’s in the traction container?

Answer 10

Main switch
TCU
Traction inverter

Question 11

What does the traction inverter do?

Answer 11

Converts 1500vdc to Variable 3 phase AC to be used by the traction motors

Question 12

What is the Aux res for?

Answer 12

Air for EP braking

Question 13

Where are the Tacho speed sensor cables?

Answer 13

Wheels 4&8 of Tp

Question 14

Where is the traction container?

Answer 14

Mc

Question 15

Where is the Aux container?

Answer 15

Tp

Question 16

What is inside the Aux container?

Answer 16

2 SIVs
Battery charger

Question 17

What do the SIVs do?

Answer 17

Convert 1500vdc to 400vAC for aux equipment and battery charger

Question 18

What does the battery charger do?

Answer 18

Produces 110vdc

Question 19

How many air compressors are there and where are they?

Answer 19

2 on Tp