Class 16X Traction Flashcards
What is the maximum speed of a GWR 16X unit?
90MPH
What is the maximum number of 16X vehicles that can be coupled together?
12 vehicles to maintain electrical continuity
What emergency equipment is on a 16X and where can it be found?
Drivers cab.
2 Track Circuit Operating Clips (TCOCs) per cab
1 box of 10 dets
2 red flags (1per cab)
1 portable fire extinguisher
Glow sticks
GSMR radio
CRASH cupboard.
L - ladder
C - crowbar
R - rope
A - axe 🪓
S - saw
H - hammer 🔨
1st aid box
Where are the passcomm located in a 16X
1 in universal toilet or space saver (legacy)
4 in each saloon (walls)
What internal indications will you receive to identify a Passcomm has been activated?
Flashing Passcomm (yellow)
Buzzer
Brake demand
What external indication will identify which vehicle the Passcomm has been activated?
CANT rail/BIL light illuminated
If the Passcomm has been operated how can the driver override the brake demand?
Using your foot, press down on the yellow foot pedal (next to DSD)
Under what circumstances should the train be stopped immediately if a Passcomm has been operated?
When leaving a platform/station.
How is a Passcomm activation reset?
Use a T key
Ensure you line up correctly then turn the key
Where are the calls for aid devices located on a class 16X unit?
1 in the universal toilet
At wheel chair spaces
What indications will alert the driver to an call for aid device being operated?
APIS will display, ‘talkback request’
Small audible ding 🛎️
What could cause a bodyside indicator/cant rail light to illuminate?
Fat blokes don’t enjoy physical training
F - Fire alarm
B - Brake MCB tripped
D - Doors open (Egress)
E - Egress
P - Passcomm pulled
T - TCA MCB tripped/fault
What are the effects of an emergency egress being operated at a passenger door?
Brake application above 6mph
Doors open
Loss of interlock
You have a fire in the engine, what train-borne equipment is fitted for use in such a scenario?
Fire suppression system (auto) below 6mph
Manual pull cord to operate fire extinguishers 🧯
Bring portable AFFF fire extinguisher 🧯 from cab to use if automatic and manual systems fail
What could be indicated by the driving desk Passcomm light flashing and a buzzer sounding continuously?
Two keys in (drivers desks)
Passcomm active
What could be indicated by the driving desk Passcomm light flashing without a buzzer sounding?
Brake MCB tripped
Train control tripped
Phantom train (train thinks it’s coupled to another)
What could be indicated by the Passcomm buzzer sounding continuously, without the driving desk Passcomm light flashing?
Emergency plunger active in other cab
What faults are classed as level 1?
Brake MCB tripped
Brake dragging
Brake (parking) applied
Battery charging fault
TCA fault
Transmission fault
WSP
How are level 1 faults indicated to the driver?
Red light on FIP panel
(Fault indication panel)
Red flashing general fault light
If you have a level 1 fault light what are your actions?
Stop train immediately
Contact signaller
Apply GWR cut & run policy
What fault is classed as a level 2 fault?
Faulty OTDR (on train data recorder)
How is a level 2 fault indicated to the driver?
Steady Red general fault light
Red OTRD on FIP panel
With reference to wheel slip when taking power on a 16X what indications will you receive?
Blue WSP light illuminates
Shuddering
Engine revs but no movement or slight movement
Speedometer fluctuation
If you experience wheel slide when braking what indications will you receive?
WSP light flashes
Blow down valves
What indications may suggest a battery charging fault?
Red Battery fault on FIP
Flashing general fault light
Loss of saloon lights
Loss of tail lights
If a battery charging fault is indicated immediately after starting the engine, what should be checked first?
Generator MCB
Give 5 causes why the engine or engines fail to start or an engine or engines stops
Low fuel
Low coolant
Shore supply still attached
Micro switch not connecting properly (shore supply)
Start button faulty
Train in direction (F or R)
Give 5 causes of an unsolicited brake demand?
TPWS activation
DSD/DVD Failure to cancel
Egress (doors)
Passcomm (able to override)
Brake MCB tripped
Train Control MCB tripped
If unable to release the brakes you have used the EBS (with authority) to override. What controls/equipment will not function to stop the train?
Emergency plunger in other cab (rear)
Emergency brake
In the lead cab you have a
Flashing general fault light and dragging brakes FIP light. What does this indicate?
Dragging brakes on front coach
If you are required to isolate the brakes using the BCIC (Christmas tree) what speed can you proceed?
Normal permissible speed minus 10 mph to 35mph
Remember 1 in 5 rule
