150 Traction Flashcards
How many cars does a 150 have?
2 cars generally but can be 3 cars
What is the length of a single 150 carriage?
21 metres
What couplings are at either end of a 150?
BSI couplers at either end but jumper cables and rigid bar between vehicles. Some 3 car 150s have BSI couplers in between vehicles.
What type of brakes does a 150 have?
Tread brakes
What is the initial brake step in a 150?
Step 1
Does the 150 have WSP fitted?
Only on 150/2
What brake steps does WSP operate in on the 150?
All brake steps
What are your actions if driving in multiple and one unit has WSP and one does not?
Follow braking instructions for majority of vehicles or follow braking instructions for unit you are driving from if equal number of units with WSP/no WSP.
Which wheel is the sander located on?
Both 3rd wheels
When would the Sand Air System Isolating Cock be used?
In the event of an air leak from the sanding equipment
When would the in-cab sanding isolation switch be used?
To isolate the electrical sander in the cab but doesn’t isolate the full sander.
In which brake steps is manual sand available?
Brake steps 1, 2 and 3
In which brake steps is automatic sand provided?
Emergency when above 3mph
What is important to remember about if Train Control Circuit Breaker trips in 150/1 or 150/2?
EBS needed in addition to TIS.
If you have an issue with MAPS, what is it possible to do on the 150 before taking further action?
Toggle MAPS first before taking any other action
On 150/2, what would you suspect if you had an illuminated engine stop light with all engines running?
Potential alternator fault. Seek guidance from maintenance.
Where is the Fire Isolation Switch located on the 150?
In the middle/intermediate cupboard of each vehicle
What is the anomaly if Local Control Circuit Breaker trips in leading cab on 150/1?
Engine reverts to idle and brakes cannot be regained if TW4 subsequently broken.
What indications will you receive that Local Control Circuit Breaker has tripped on 150/2?
Engine on that vehicle shuts down, starter motor and fire protection for that engine inoperative, no engine stop light, all front and rear illumination lost and speedo reverts to zero.
Gearbox train 30 secs, then gearbox unit for 30 secs, then gearbox local for 30 secs. If longer than this, consider TCA fault.
What is the minimum main reservoir pressure required to conduct a static brake test?
6.0 bar
Where is the Door Reservoir Isolation Cock on the 150?
Under the passenger seat
Where is the Fire Test button on the 150?
In the middle cupboard with the Fire Isolation Switch
Where is the manual fire system override?
In driver’s cab behind seat
How do you manually lock out doors on 150?
‘T’ key in hole above door
What crew doors are on the 150/1?
Slam crew doors
What is the risk with the slam crew doors on the 150/1?
These do not sit on TW4- risk of moving when open
How do you open the slam crew doors?
Door handle to open and ‘T’ key to lock?
What is important to remember about the vestibule doors on the 150?
Need to be locked as cab can be accessed.
What crew doors are on the 150/2?
Power operated crew door
How do you open the power operated crew doors?
Via butterfly or power operated when key out and doors energised
What is important to remember about the crew doors when the key is in the desk?
Butterfly must be used. Only power operated when key is out and doors are energised.
What is important to remember about conducting a sander test on the 150?
Must have key in
What does the AWS/EBS isolation look like on 150/1?
AWS isolation handle also isolates TPWS
EBS isolation is flag type
Where are pax egress located on 150/1?
1 per pair of doors, diagonally opposed
Where are pax egress located on 150/2?
1 per door
Where is the fuel isolation cock on 150/1?
Next to Donaldson Air Filter
Where is the fuel isolation cock on 150/2?
Next to Air Suspension Isolation Cock
Which types of 150 have vigilance?
150/2 have vigilance, 150/1 have no vigilance
What is the max speed of a 150?
75mph
What is the effect on both types of 150 if TCCB tripped?
Brake and power fault (TIS & EBS)
What is the prep time for a 150?
5, 5, 7
What isolations are under the driver’s desk?
Horn and wiper isolation cocks
Where is the parking brake application located?
under 2nd man’s desk
Where is MAPS/toggle switch located?
under 2nd man’s desk
What is located in bulkhead wall outside of cab?
TCA integrity light and TCA fault light
If compressor speed up applied in other than leading cab, does this affect brake on 150?
Yes on both types of 150
How many air suspension isolation cocks are there and where are these located?
3 isolation cocks- 2 in saloon and 1 at sole bar per vehicle.
Is there WSP on 150/1?
No, only on 150/2
What type of sander is on 150/1?
Manual sander, no WSP
What type of sander is on 150/2?
Manual sander but WSP fitted.
How many alternators on 150/1 and 150/2?
1 on 150/2 and 2 on 150/2
What are the differences in gangway doors between 150/1 and 150/2?
150/1 has no gangway doors
150/2 has gangway doors
