Where our CB located in the trailer car
Left of door 2
Safety loop will deenergize when main Res is under?
580
how long do the batteries last?
1 hour
How long do you need to be stationary in order to reset the trip?
0.5 sec for 5 seconds
Where are the Spring park brakes located?
On motors only
Wheels 1,3 & 7
How do you override the speed threshold (no speed sensors)
Tacko bypass
What do you check when arriving at a pre-departure train - what are predeparture checks?
Prep docket
Lamps test (fault panel)
Set pilot valve and ensure EMY releases
How do you isolate the doors?
- Locate door
- Open cabinet above left of faulty door
- Motor iso switch to motor release
(pos 1 - fully raised) - manually close door
- move motor iso switch to
(pos 4 - fully lowered) motor look & close)
How do we know when we have Sticking Brakes ?
Which fault lights?
When train in motion :
High Voltage presence
1 or more brakes applied
Wheel slide
(When stationary the last 2 fault lights extinguish)
How do we rectify sticking brakes on an xtrap?
- Isolate the affected bogey by turning the relevant bogey IC
- tmm
- operate as per isolated bogies
(10 km/ h less when line speed is over 60)
- no more than 2 bogies isolated for 6 car train in revenue
How to reset Vickers on xtrap
Bring train to stand for 10 seconds
MC in coast
Observe EMY Brake applied light is illuminated
When does the safety loop open on an Xtrap?
- if MR is below 580
- Tripped
- Vicers
- loss of 110 V DC
- 2 keys in at the same time
- 23Q1 & 232 tripped in the lead
- BP rescue - pressure falls below 300
- H/F not set / dropped
- EMY auto vigilance bypass not pressed b4 40 sec
- MC in EMY
- ESB pushed
EMY pressure
210
MR pressure
750 - 900
Holding pressure
120
Full service brake pressure
190
