General Flashcards
What specific circuit breaker does the DMA car have?
PA circuit breaker
What specific circuit breaker does the DMB car have?
CCTV recorder circuit breaker
What doors of a motor car have a cabinet containing a wheelchair ramp?
1 and 4
What are the two operating modes of the saloon lighting?
-Normal
-Emergency
What is the roof mounted equipment on a motor car? (4)
-Pantograph
-Antenna
-Surge arrestor
-HVAC x2
What is the roof mounted equipment on a trailer car?
2 HVACs
Where is the whistle isolating cock located?
In a panel in the drivers console to the left of the drivers seat
Does the trip automatically lower?
Yes
Trip will lower as soon as the cab is activated
How is the trip reset?
-Train at 0km/h
-Master controller to coast (0)
-Reset switch to the right and release
What does the Towing Unit (TU1) do?
Reads and writes brake pipe during a non-electrical train rescue
How is the Towing unit (TU1) made active?
Brake pipe mode key switch
What is the purpose of the Towing cock?
Lowers the Main Reservoir pressure between the cab where it is turned and the coupler to 700kPa
What does the Traction inverter do?
Converts 1500v DC to Variable 3 phase AC for the traction motors
What are the two components of the High voltage container?
-High-speed circuit breaker and Ground switch
-Brake Control Unit
What are the batteries used for?
-Raising pantographs
-Step light
-Desk light
What is the safety equipment in the drivers cab?
-First aid kit
-ATWs
-Emergency track circuit jumper cables
-Red and green flags
-Fire extinguisher
-Switch stick
What are the four positions of the Master Selector Switch?
-Reverse
-Neutral
-Forward
-Set speed
What does the Over Speed system do?
Applies the emergency brakes if speed exceeds 125km/h
What does the Set Speed position do?
When will over speed activate?
Limits the speed of the train to 6km/h
Over speed will activate at 8km/h
What are the 4 operating zones of the Master controller handle?
-Emergency brake (B7)
-Brake (B1-B6)
-Coast (0)
-Drive (D1-D7)
At what speed will the holding brake automatically apply?
Below 0.2km/h
What is holding brake cylinder pressure?
110kPa
What is Emergency brake cylinder pressure?
280kPa
What are the pressures of B1 and B6?
B1= 57kPa
B6= 189kPa
What will happen if the deadman switch is ‘not set’ while the train is above 0.2km/h?
A tone will sound for 3 seconds, after which Emergency brake will apple
When will the Over Speed indicator lamp illuminate?
When the trains speed exceeds 119km/h
Traction power will be inhibited
What happens when the DDA (disability discrimination act) button is pressed in the saloon?
The button in the cab will flash white five times before remaining steady
When pressed, the CCTV will turn on
What will occur when a PEI goes off?
The Emergency intercom button will flash red and a tone will be emitted
Once the emergency intercom button is pressed, the CCTV screen will turn on
What is the Auto door close inhibit button used for?
Used to override the auto close feature on doors 1 and 4
What occurs when a DER is activated?
-Door emergency release light will illuminate
-Audible tone
-Flashing blue door closed light
-Activate the corresponding PEI console
What does a solid red Uncouple light indicate?
Flashing red?
Solid red= coupled
Flashing red= Low main res pressure (below 850)
Does the key have to be in or out to be able to use the Stable button?
Key out
When the Master controller switch is turned Off, will the park brakes automatically apply throughout the train?
Yes
How often does the MAD button flash and emit a tone?
Every 30 seconds
What are the three main causes for the Critical Defect light to illuminate?
-Major failure of the friction brake system
-Complete loss of Auxiliary power in a unit (failure of both SIVS)
-Wheel slip fault affecting the operation of the sanders
When the Brake Pipe Mode key switch has been turned, what light flashes?
In every cab?
The brake pipe mode indicator light
Flashes in every driving cab
If the Electric brake inhibit button is pressed which brake will be isolated and for how long?
ED brake will be isolated for 5 min
What are the miniature circuit breakers that when tripped will cause an Emergency brake?
SAFECD
-Safety loop
-Auto coupler control
-Friction brake and monitoring
-Emergency brake valves
-Cab/Train manned
-Door control train lines
What are the two circuit breakers located in the panel behind the fire extinguisher on the A side of the cab?
-General Power Outlet
-Trip cock device
Where are the Door loop bypass and Safety loop bypass key switches located?
Under the Mini circuit breaker panel on the rear cab wall to the left of the bulkhead door
Will a Secondary Safety Circuit automatically be established if the Safety Loop or Trip by-pass key switches are activated?
Yes
What occurs on the Secondary Circuit?
The MAD button will flash and emit a tone after 45 seconds
If not pressed after another 10 seconds, emergency brakes will apply
The Deadman’s test switch allows the functionality of the hand and foot pilot valves to be tested.
For how long will the test switch be active before automatically switching off?
60 seconds
How many positions does the Brake Pipe Mode Key Switch have?
Five
Where is the Miniature Circuit breaker panel on a Trailer car?
To the right of door 2
What happens if the Shutdown Delay MCB is tripped?
Can’t stable the train
Pantographs on that unit will not lower
How is the driver notified of a PEI?
When will CCTV activate?
-Audible tone through the cab speaker
-Flashing red Emergency intercom button
CCTV will activate when the call is acknowledged
After how long will a PEI call time out?
150 seconds
Once the DDA request button is pressed by the driver to acknowledge a passenger, how long will the CCTV of the area display?
10 seconds
What are the train-lined fault lights? (6)
-Safety loop
-Critical defect
-Maintenance fault
-Reduced performance
-Door system
-Compressor fault
What controls the application of the Holding Brake?
The Traction Control Unit
What do the traction motors operate on?
Variable 3 phase AC power
What power do the Static Inverters generate?
400v AC
What equipment is run on 400V AC?
-Battery charger
-Air compressor
-Traction control unit
-HVACs
-GPO outlets
What will happen to the 400V equipment when one static inverter is out?
Air conditioners will run at 50% capacity
Rest will operate as usual
What lights will illuminate in the even of a SIV failure?
-Maintenance fault light
-Unit light
On status panel
How are the pantographs raised?
-Key in and on
-Check park brakes are applied
-Wait until all buzzers have stopped sounding
-Press pantograph UP button
-Check line voltage indicator is illuminated
-Check pantograph UP button is extinguished
-Visually check all have raised
What are the two ways to lower the pantographs?
-Using the Stable button
-Using the Pantograph down button
Does the Stable button only lower the pantographs?
It also shuts down all of the computer systems and extinguishes all the lights
Where is the pantograph handle located?
To the right of door 2
How long does the audible warning tone sound while the doors close?
4 seconds
If an obstruction is blocking the door, how many times and at what interval will it attempt to re-close?
Three times for three seconds
After how long will the doors automatically close?
60 seconds
What happens when a DER is pulled?
-DER indicator in the active cab will illuminate
-Flashing door close light
-Audible warning buzzer
When a DER is pulled, when does the CCTV and PEI activate?
Once answered
Safety loop?
-Loss of 110v DC
-Overspeed relay
-MR relay. Below 600
-Coupler fail
-Emergency stop button
-Master to Emergency
-Trip
-Deadmans
-Critical fault in the BCU
-VICERS
What circuit breakers tripping will cause the Emergency brake to apply?
-Safety loop
-Emergency brake valve
-Friction brake & monitoring
-Auto coupler control in the leading centre cab
-Cab/Train manned
-Door control (train lined)
How is the emergency brake reset?
-Master controller handle to Coast (0) after the train is stationary
How is the trip lowered?
Automatically on activation of the cab
How is the Trip reset?
-Master key in and on
-Observe Trip lowered light is illuminated
-Reverser to a driving position (Fwd, Rev, Set speed)
-Master controller to Coast (0)
How is the VICERS reset?
-Come to a stand- 0km/h
-Master controller to Coast (0)
-Wait for 10 seconds
-Push VICERS Ack button
How is VICERS tested?
-Train stationary
-Cab active
-Reverser in Forward
-Master controller to Coast
What is compressed air supplied to from the air compressors?
-Main reservoir
-Auxiliary reservoirs
-Air suspension reservoirs
-Whistle
-Service (friction) brake
-Park Brake
What will happen to the compressor when the pressure governor is isolated?
It will run continuously
At what pressures will the pressure governor start and stop the compressor?
Start- 850kPa
Stop- 1000kPa
What equipment makes up the Air suspension system?
-Levelling valves
-Air bags
-Surge reservoirs
What is the brake system comprised of?
-Service brake
-Holding brake
-Park brake
-Emergency brake
What is holding brake cylinder pressure?
110kPa
What is brake pressure at B1?
57kPa
What is brake pressure at B6?
189kPa
What is emergency brake pressure?
280kPa
What is main reservoir operating pressure?
850-1000
Is the Wheel slip protection system active during and emergency brake application?
Yes
Below what Main reservoir pressure will the park brake automatically apply?
350kPa
What wheels have Spring park brakes?
Wheels 3 and 7 on every car
What isolating cocks are in the brake module?
-Suspension isolating cock
-Bogie isolating cock
What light will illuminate when the leading motor car is undergoing wheel slip?
Yellow ED inhibit button will illuminate for the remainder of the brake application (to indicate a loss of ED on that car)
How is the cab de-activated when performing cab unattended procedures?
-Master controller to B6
-Master selector to Neutral
Ensure:
-Brake cylinder is at emergency pressure (280)
-Park brake switch illuminated
What must be observed after pressing the Uncouple button in the centre cab?
The uncouple button extinguishes
Are the cab doors included in the Door loop system?
Yes. Must be closed or flashing door closed light
What must be checked on a visual inspection of a cab?
-Other Cab Active status light not illuminated
-ESB not pushed in
-No cleaners key
-MCBs are set, bypass switches in normal, Brake pipe mode key and selector switch in correct position
-TMMs and notices
-First aid kit present and sealed
What are the functionality tests performed?
-Brake test
-Traction cut-out test
-Vigilance Device Test (deadman’s)
-VICERS test
-Trip test
What position must the master controller and selector switch be in to remove the key?
Master controller to B6
Selector to Neutral
What must you ensure when stabling a train?
-Brake cylinder has emergency pressure (280kPa)
-Park brake switch is illuminated
