222 Traction Flashcards
What is the maximum number of 222’s that can be coupled together
13 Empty Coaching Stock (ECS)
10 with passengers
Which vehicles on a 222 have main air supply fitted
A2
A3
A4
A5
On a 222, What external battery isolating switches are provided and where can they be isolated
110V on the drivers’ side on all vehicles but not on the A6
24V on the non-drivers side of all vehicles
On a 222 If any engine fails to start after three attempts a time delay prevents any further attempts for
how long?
5 minutes
A 222 self-checks brake continuity. What must you not do whilst this process is taking place?
You must not touch any of the controls in the cab as this will stop the test and will create a fault
What is the normal operating pressure found on the main reservoir tank on a 222
8.5 - 10 bar
A fault is identified during opening the desk on a 222. Explain your actions when the TMS is functional
Interrogate the TMS to identify the fault
Try to rectify the fault if possible
If you cannot rectify the fault, speak to maintenance control
Referring to the TMS on a 222
Command, Anomaly and State are the three principal routings.
Give a brief description of each function?
Command, you are telling the train to do something
- Anomaly, you are checking or adding the faults with the train
- State, getting the current state of the train/vehicle
On a 222 What action should a driver take if a red Level 3 fault light illuminates during service
Stop the train immediately, or down to 10mph max until in a suitable place.
- Contact the signaller immediately.
- Silence the alarm by pressing the TMS level 3 fault button .
- Check the TMS to locate and find out what the fault is.
- Inform signaller and Maintenance control, follow any instructions
Describe the Drivers actions on a 222 when the door release will be undertaken by the Guard.
Ensure that the unit is stationary with brake applied and you are stopped at correct stop board.
Select left or right door release via the door side selector switch as applicable.
Select number of vehicles to be released via the SDO keypad.
Depress the white TM Authority button on appropriate side, 6o seconds to complete this.
Observe blue train interlock light extinguish when TM releases doors.
Observe blue train interlock light illuminate once TM has closed all doors.
Listen for and acknowledge the train ready to start signal.
Return door release switch to N posiSon
A passenger door becomes stuck in the open position on a 222
How would you close the door and lock it out of service
(Both ways)
Isolate appropriate MCB for either doors 1&4, or 2&3, pull door shut and lock out of service.
Reinstate MCB.
OR
Pull egress handle, pull door shut and lock out of service before reseting egress handle.
What indications in 222 cab will alert the Driver that a Door Egress has been activated
Door Egress activated - yellow indicator lamp illuminates and blue door locked light extinguishes.
External Hazard light on affected vehicle will illuminate steady
Brakes are applied; Brake cylinder pressure gauge will rise to indicate Enhanced service brake application, then drops down as EP brake blending operates.
Level 3 Train Fault Light illuminates and alarm sounds
What indications in a 222 cab will alert the Driver that a Passenger Emergency handle (Pass Comm) has been activated
Pass Comm - activated yellow indicator lamp illuminates and blue door locked light remains lit.
External hazard light on affected vehicle will be illuminated
Brakes are applied; Brake cylinder pressure gauge will rise to indicate Enhanced service brake
application, then drops down as EP brake blending operates.
Level 3 Train Fault Light illuminates and alarm sounds
How many attempts may be made to reset any MCB that has tripped on a 222
3
Which Miniature Circuit Breakers (MCB’s) in the driving cab will apply the train brakes when tripped on a 222
Galley Train Lines Start Up/Shut Down,
Traction/Brake Control,
Train Lines Door Control,
AWS/TPWS
DSD