3.2 & X Flashcards
How long do you have to prep a
1. Single Unit
2. Double Unit
- 17 minutes
- 23 minutes
Where is the Transformer Fault Indication Panel? (what equipment is it on and on which vehicle)
On the side of the Auxiliary Converter Case, on the TS vehicle
What power supply operates the doors?
110V DC supply
Symptoms and remedy for Local Brake MCB tripping in the DMS lead cab?
Emergency Brake on affected vehicle
Speedo goes to zero
Passcomm alarm flashes
BIL lights come on affected vehicle
Cab door and affected vehicle doors do not operate
General Fault Light in cab
Local Fault on FIP in the affected vehicle
Wheel Slide Fault on FIP in the affected vehicle
Remedy…..
3x MCB resets
Contact signaller, inform WMT Control, follow instructions
BIC affected vehicle and do rotational test
Operate PCIS
Transfer passengers from vehicle, lock vehicle out of use
EBS leading cab
Carry out brake continuity test in rear cab
5mph max
How long do you have to acknowledge the AWS horn before an EBA is carried out?
2.4 seconds
What equipment is kept in the emergency cupboard, and where is the cupboard located? (9)
Located in the TS vehicle….
Saw
Ladders
Crowbar
Axe
Rope
Emergency Schrader hose
Mushroom Coupling Pin
7lb Lump Hammer
First Aid kit
Air pressures….
1. Brake Reservoir Governor
2. Low Main Reservoir Governor
3. Compressor Governor
4. Auxiliary Compressor Governor
- 5.2 - 6.5 Bar
- 5.2 - 6.7 Bar
- 8.5 - 10 Bar
- 5.4 - 6.5 Bar
What vehicles make up a 323?
Driving Motor Standard A (64)
Trailer Standard (72)
Driving Motor Standard B (65)
If the VCB starts flashing, what might have happened and what are your immediate actions?
The ADD may have operated….
Press Pan Down
Stop immediately
Contact the signaller
Check for damage
If there is no damage then contact the signaller and operate PADIC
Raise the Pantograph
Exam the Pantograph once raised
Contact the signaller with results of this investigation, and obey his instructions
Max 100mph
What allows current to flow from the OLE to the Transformer?
Vacuum Circuit Breaker
What is the procedure for raising the Pantograph? (Include air pressure)….. What do you check once you have raised the Pantograph?
Insert key and open desk
AUX On button
Wait for air pressure to rise to 6.2 Bar
Pan Up button for 10 seconds
Pantograph has raised, check…..
Line Light comes on
VCB light goes off
Battery charger goes blue
PassComm light goes off
Main Reservoir Pressure rises to 7 Bar and Brake Cylinder Pressure rises to 4.5 Bar
How will you be aware of a Traction Converter fault? (2) How can it be isolated? What should you do after isolating the Traction Converter?
Loss of traction power and regen braking in the affected DMS
Isolate using Traction Control Cut Out switch, located behind driver’s seat in the DMS using the drivers key
Always then do a rotational test
What are the Safety Systems Isolation switches on the non-driver’s side of the cab?
ATPIS
AWSIS
EBS
PCIS
TIS
VIS
DSDIS
Which safety systems isolation switch do we NOT use on a 323?
ATPIS
How are the driving controls unlocked?
Insert drivers key and turn
Put Direction Selector to Neutral
Press AWS reset button
When would you isolate the TPWS and which type of isolation would you use? (4)
Passing a signal at danger - TPWS Train Stop Override (20 seconds)
Passing more than one signal at danger (ESW or TBW) - TPWS Temporary Isolation switch
Assistance where you are assisting from the rear or Propelling - TPWS Temporary Isolation switch
Fault with TPWS system - Fully isolate the TPWS
Which 2 equipment protects the Pantograph on a 323 from damage?
Automatic Dropping Device and Over Height valve will drop the Pantograph automatically
How will you be aware of a drum switch problem during coupling? (3)
Passcomm light flashing red
Audible Passcomm alarm will go off
Unable to get brake release
What are the 3 internal windings in the Main Transformer? What are the voltages of each of them?
Primary Winding @ 25,000 Volts
2 Secondary Windings for each Traction Converter @ 1500 Volts via Jumper Cables
Tertiary Winding @ 240 Volts AC for auxiliary equipment and the auxiliary converter
Which vehicle contains the UAT?
TS
On the outside of the train, which headlight is underneath where the driver sits?
Night headlight
(The headlight the other end is the Day)
If a passenger door egress handle is operated, what affect would this have to a Unit in motion?
Emergency Brake Application, doors can be opened below 3mph
What Transformer safety device will discharge coolant if AIR PRESSURE becomes excessive?
Qualitrol Relief Valve
How many Auxiliary Converters are there on a single Unit?
1