Siemens Faults - Pnuematics

Question 1

How would a driver be notified the ED brake has dropped out?

Answer 1

Brake inhibit button will be illuminated

Brake cylinders will be sighted

Question 2

How would a driver be notified EP brakes have not been released from the train?

Answer 2

Brakes on indicator not extinguishing when powering or coasting

Question 3

How would a driver release a sticking EP brake?

Answer 3

By isolating the bogie

Question 4

What wheels are park brakes fitted to?

Answer 4

Wheels 3 and 7

Question 5

What would be a clear indication of a failed to release park brake?

Answer 5

Park brake light is on regardless of position
Retardation
Smoke

Question 6

How would a driver try to remove the park brake stuck on?

Answer 6

Release via rotary switch
Ensure cab/train manned CB is set
Attempt to power against the brakes

Question 7

If the train can be moved, what is the drivers duties?

Answer 7

De train at a platform and go to the first available siding

Question 8

How fast can the train go with the park brakes applied before the safety loop opens?

Answer 8

5km/h

Question 9

If the train cannot be moved with a park brake stuck on, what is the drivers duties?

Answer 9

Reactive track access
Full cab
Listen for air leaks

Question 10

How does a driver release a stuck park brake?

Answer 10

Locate and isolate the bogie
Unlock and remove park brake lock and pin
Pull manual release towards you away from bogie
Once released replace lock and pin
Re instate bogie lodge tmm

Question 11

True or false, Once manually released, the park brakes can be reapplied via application from the drivers cab

Answer 11

True

Question 12

At what pressure does the uncouple button flash red?

Answer 12

Below 750kpa

Question 13

What is the drivers duties if the Main Res has dropped to a pressure above 600KPA?

Answer 13

Keep an eye on the pressure
Continue as normal
Report defect to train control

Question 14

What happens when main res drops below 600KPA?

Answer 14

Safety loop opened

Emergency brakes will apply

Question 15

If an airbag or associated piping for the air suspension is leaking, what is the drivers responsibilities to isolate?

Answer 15

Isolate BOTH air suspension cocks on that car

Question 16

What is the speed restriction if an airbag is deflated or isolated?

Answer 16

80km/h

Question 17

If the air bags have deflated, what is the train using for suspension?

Answer 17

A back up spring

Question 18

Where is the air supplied from for friction braking?

Answer 18

Auxillary res

Question 19

If main res is sitting at 700kpa, what could be causing this issue m?

Answer 19

Towing cock being in the rescue position

Question 20

True or false, main res between 600 and 850kpa is still operational?

Answer 20

True

Question 21

If main res is low, what can the driver do if time permits?

Answer 21

Locate leak
Check towing cock is in normal position (horizontal)
Ensure compressors are operating

Question 22

With a main res leak on leading motor, leading trailer, trailing trailer, trailing motor and the leak can’t be blanked, what is the procedure?

Answer 22

Isolate main res end cocks, declare train disabled

Question 23

Upon rescue with a main res leak on leading motor, leading trailer, trailing trailer or trailing motor what is the procedure?

Answer 23

Isolate the bogies of the affected cars and release the spring park brakes

Question 24

Upon rescue on leading motor, leading trailer, trailing trailer, trailing motor with a main res leak, what direction will relief come from?

Answer 24

The direction in which the faulty cars are facing as cars with an isolated bogie cannot move forward

Question 25

If a compressor fault light and unit one or two illuminated and main res is below 600KPA, what is the procedure?

Answer 25

Inform TC Request permission for train stable Restart train

Question 26

If train stable fails and a compressor fault light and unit one or two remains illuminated and main res is below 600KPA, what is the procedure?

Answer 26

Obtain reactive track access Locate compressor Turn the pressure switch to isolate

Question 27

When is the only time sanders can be isolated by a driver?

Answer 27

Major damage due to striking debris | Major leak resulting in low main res pressure

Question 28

What should a driver do if whistle is sounding continuously?

Answer 28

Depress and release the whistle lever several times Trip and reset DC/DC inverter front light/wiper Windscreen wiper/horn cb

Question 29

If whistle is not sounding, what should a driver do?

Answer 29

Depress and release whistle several times | Inspect whistle iso cock

Question 30

For whistle defects, if isolating cock is set, what circuit breakers need to be reset or tripped and reset?

Answer 30

Windscreen wiper/horn cb | DC-DC Inverter front lights/wiper

Question 31

True or false - If a Siemens is rescuing a train electronically, the safety loop must be bypassed?

Answer 31

True

Question 32

What pressure does the compressor light come on?

Answer 32

850kpa

Question 33

What is connected to main res?

Answer 33

Park brake Horn Friction braking Air bags

Question 34

Where are the safety valves and what pressure are they set?

Answer 34

Between compressor and air dryers - 1100kpa | Between air dryers and main res - 1050kpa

Question 35

With a main res leak in leading centre or trailing centre, what is the procedure?

Answer 35

``` Isolate end cocks Release spring park brakes Isolate safety loop Operate as per two isolated bogies De train and shunt out ```