Siemens Underframe Equipment Questions

Question 1

Where is the whistle isolating cock located

Answer 1

In a panel left of the drivers seat in the console

Question 2

How does the driver lower the trip

Answer 2

As soon as you activate the cab

Question 3

How is a trip set when setting up the cab after cab is activated

Answer 3

Master key to ON
Observe trip lowered light has illuminated
Place reverser to driving position
Master controller to coast “0”
Emy brake should release to holding pressure

Question 4

If the trip is activated, how can it be reset

Answer 4

Train being at 0km
Turn the reset switch to the right against the spring and release
Return master controller to coast

Question 5

What is the purpose of the towing unit

Answer 5

To read the electrical signal and convert it to a reduction in pneumatic pressure during NON-Electrical

Question 6

What position should the towing unit isolating cock always be in

Answer 6

Open

Question 7

How many electrical isolates are there on coupler

Answer 7

3

Question 8

What is the purpose of the towing cock

Answer 8

Lowers the MR pressure between the cab where it is turned and the coupler to 700kpa

Question 9

What equipment is in the traction container (2 answers)

Answer 9

Traction inverter
Traction control unit

Question 10

What equipment is located in the high voltage container (3 answers)

Answer 10

RHS: high speed circuit breaker and ground switch
LHS: brake control unit

Question 11

The traction inverter converts 1500 v DC to what

Answer 11

Variable 3 phase AC for the traction motors

Question 12

The traction control unit does what

Answer 12

Controller the power and braking as the train needs it

Question 13

What equipment is in the static inverter unit (2 answers)

Answer 13

2 static inverter unit
Battery charger

Question 14

The static inverter receives 1500v DC and convert it to what

Answer 14

400 v AC and 230v AC

Question 15

The battery charger gets 400 v AC and converts it to

Answer 15

110 vDC

Question 16

Where is the auxiliary container located and what equipment is inside
( 2 answers)

Answer 16

Trailer car only
Static inverter system
Brake control unit

Question 17

On a motor car no 1 end, what reservoirs are located there (3 answers)

Answer 17

Air suspension reservoir 1
Auxiliary reservoir 1
Surge reservoir 1

Question 18

On the motor car no 2 end, what reservoirs are there? (4 answers)

Answer 18

Main res
Auxiliary reservoir 2
Air suspension 2
Surge reservoirs 2

M.A.A.S

Question 19

What does the brake module do

Answer 19

Converts the electric signal from the brake controller to pneumatic pressure to apply and release the brakes

Question 20

Where is the brake module located

Answer 20

Near wheel 3&7

Question 21

What is the yellow cock and red cock inside the brake module?

Answer 21

🟡: air suspension system cock
🔴: bogie isolation cock

Question 22

What is the purpose of the sander isolating cock and where is it located

Answer 22

Stop compressed air to the sander box
“A” side motor car

Question 23

Where is the sander box located on the motor car

Answer 23

Wheel 3&6

Question 24

Where is the sander box located on the trailer car

Answer 24

Wheel 2,3,6&7

Question 25

What does the pressure switch do

Answer 25

Starts and stops the compressor when required

Question 26

Where is the battery box located

Answer 26

“B” side of the trailer car

Question 27

What does the self- excite button used for

Answer 27

To manually start the static inverter, when not enough battery