155 Traction Flashcards
What is the length of one 155 car?
23 metres
What coupler does the 155 have?
BSI
What is unique about the coupling between 155 units?
Intermediate BSI couplings
What brakes does the 155 have?
Tread brakes
Does the 155 have WSP?
No
What type of sander does the 155 have?
Manual sander
In what brake steps is the manual sander available?
Brake steps 1, 2 and 3 and automatically in emergency
Where is the fire test button on the 155?
The gearbox train button
Where is the manual fire system override button?
In cab behind driver
Where is the fire isolation switch on the 155?
Behind the driver in the cab
What is important to remember about the intermediate BSI couplings on a 155?
These sit on TW4
What is a reason why you might not get brake release that is unique to the 155?
Intermediate BSI coupling
Local Door switch left on
What indications would you get on a 155 if the local door switch was left on?
No brake release or power
Only get a hazard light if direction in forward
How do you access the 155 unit?
Via the crew door control buttons or via emergency handle and T key if no air
What is the max speed on the 155?
75mph
What is the prep time for a 155?
5, 5, 7
What is underneath the driver’s desk?
Horn isolation cock and uncouple valve
What is under the 2nd man’s desk?
Wiper isolation cock, PBAC and MAPS
What is located in the bulkhead wall in a 155?
gearbox fault light TCA light and TCA integrity light
What is the effect if compressor speed up is on in the rear cab?
May affect brake
What is important to remember about operating the local door?
Direction must be off and key removed or people cannot get access
Does the 155 have an air suspension reservoir?
No
Can the inside local door opening twist control be operated with driver’s key in desk?
No
What is important to remember after operating the emergency door opening on the outside?
It must be pushed back into place and the door pushed closed.
How do you manually lock doors out on the 155?
‘T’ key or BR key on door itself to lock out.
Where is the DRIC located?
Externally- MAD end
What are the effects if LCCB tripped in front cab?
Shuts down engine and no brake demand
What are the effects of LCCB tripped in rear cab?
Shuts down rear engine and no brake demand
What are the effects of TCCB if tripped in front cab?
Dead desk (brakes apply)
What are the effects of TCCB if tripped in rear cab?
Power fault
What does MAD MAE stand for?
Main Reservoir Pipe Isolating Cock (MRPIC)
Air Suspension Isolating Cock (not reservoir)
Door Reservoir Isolating Cock
Main Reservoir Pipe Isolating Cock (MRPIC)
Air Suspension Isolating Cock (not reservoir)
Emergency Coupling Isolating Cock
How many MRPIC are there per vehicle?
2- one each end
How many Air suspension reservoir isolating cocks are there per vehicle?
1 per vehicle
