Cab Equipment Flashcards
If the Low pressure flag is in the raised position what does it indicate ?
Pressure in main res. is below safe level (500kPa)
The EP brake is inoperative
The Brake Valve Isolating Cock and Switch is closed
How do you isolate the LP Flag?
Isolating cock - EP MR cock
Located behind panel door near park brake. Bottom cock 6/6
What is located in the left hand console panel?
Couple button
Uncouple button
Compressor Contactor
Wiper/washer
Traction Equip Reset
Trip
Brake Pipe test switch
bell button
Whistle
What does Couple button do?
Allows the coupler to be physically moved for coupling on curved tracks
What do Uncouple Buttons do?
They divide two units. Press at same time to divide mech, elec, and air
What does the Trip Latching Lever do?
Lowers and raises trip.
Trip in lead cab must be lowered.
What does the Compressor Contactor switch do?
Turns the air compressor on that motor car on or off
What does the Brake Pipe Test switch do?
Activates brake pipe reduction to test operation of brake
Used in conjunction with Bell button
What does the Bell Button do?
When BP switch is in off position bell operates.
When BP switch is in on position any bell button in the train will instigate a brake pipe reduction.
What does the Traction Equipment Reset button do?
Resets tripped overloads in the traction system when traction motors fail to power or Rheo brakes fail to operate.
(Could be called the overload button)
What is on the Centre Console Panel?
Brake Cylinder Guage
- air pressure in brake cylinder
of bogie 1 on car it’s fitted to
Duplex Guage
- red- air pressure in main res.
- white air pressure in BP
Speedometer
Ammeter - electrical current flowing to traction motors
Head light switch - auto, low, high
What is on the Drivers Door Console control?
VICERS Button
Pantograph Up/Down Buttons
Cab Light Switch
Light Dimmer Switch
Control Governor Bypass Button
Saloon Door Control Buttons
How do Panto Up/Down buttons work?
One Motor Alternator needs to be operational, therefore one panto up. These buttons allow all other pantos to be raised.
What does the Control Governor Bypass button do?
Used when operating with red emergency circuit in isolated position. Allows train to be operated when primary safety system (trip) is isolated
Press every 30 seconds
What does the Right Hand Control Panel have on it?
Fault lights
Status lights
Marker lights
Centre cab and test light
What Fault Lights are there?
Safety System isolation
VICERS
Battery Charger
Local
Line Switch
Rheostatic Brake
Motor Alternator
Air Conditioner
What does the Safety System Isolation light indicate?
The Door Loop System has been bypassed to allow traction power to be applied when flashing door light closed is operating.
What does the VICERS fault light indicate?
Fault within VICERS system and will need to be isolated via VICERS isolation key switch.
What does the Battery Charger fault light indicate?
Fault in battery backup for PA System
What does the Local fault light indicate?
There has been an overload tripped within traction equip. Or Rheo braking systems
(Use traction reset button to rectify)
What does the Line SW fault light indicate?
Fault in power supply to traction motors or line breaker case
What does the Rheostatic brake fault light indicate?
Fault in Rheo brake system
What does the Motor Alternator fault light indicate?
The MA has stopped outputting power somewhere on the train
What does the Air Conditioner fault light indicate?
Off - all AC working
Steady - one AC failed in at least one carriage
Flashing - two AC failed in at least one carriage
What are all of the Status Lights?
Supply - always illuminated
Wheel Slip
Park Brake
This Car
Centre Cab
Test Button
What are the four positions on the Marker Lights?
Auto - for lead and trail position
Red - when lights req. to be held in red
White - When lights req/ to be held white
Centre Cab - when marker lights need to be extinguished
What happens if marker light switch is in the Auto, Red or White position in the centre cab?
The door loop system will not be continuous throughout the train. Train will not operate
How does the emergency marker light system work?
Emergency marker illuminates for 2 hours then need to be reset.
Reset by flicking to another position and ten back to desired position.
Needs to be done in lead and trailing cabin
how does the stabling indicator light work?
Illuminates when stabling
Marker light switch in AUTO
Train-lined Panto Down button pressed
Marker lights turn red at both ends
Stabling indicator flashes for 15 mins
After 15 mins the indicator and marker lights will turn off
If the Marker light switch is left in RED or WHITE instead of AUTO and the Train-lined Pantograph Down button is pressed what will happen?
Marker lights will remain in their set position for 2 hours
The stabling light will remain illuminated for 1 hour and 45 minutes
Then it will flash for 15 mins
After 15 mins the indicator and market lights will turn off
What are the positions of the Reverser?
OFF - SPB applied
FORWARD
NEUTRAL - Train-lined SPB after 60 secs
REVERSE
What happens when Reverser is placed in FORWARD or REVERSE?
The handle of the Master Controller will release the Pilot Valve
This causes emergency brake application.
To prevent , hold down MCH or depress foot operated Pilot Valve prior to moving the Reverser
What are the positions of the Master Controller?
Notch 0 - COAST - roll, no power
Notch 1 - SHUNT - lowest power
Notch 2 - SERIES - for slow running
Notch 3 - PARALLEL - more power
Notch 4 - WEAK FIELDS - quick acceleration
Which notches should you use to avoid slipping in wet conditions?
Notch 2 or 3
How do you release train-lined SPB?
Reverser in FORWARD, NEUTRAL or REVERSE
Press GREEN park brake OFF button for 5 seconds
How do you apply train-lined SPB?
Reverser to OFF
Press RED park brake ON button for 5 seconds
High on the right hand cab wall panel what do you have?
A row of circuit breakers
Motor Cut-out Panel - for isolating motors
EP Valves to control Local Pants and MA
Auxiliary start button to start all MA’s on train (Train-lined MA Start Button)
Cab Area Isolation Switches - Panto, Rheo, Aux
What is on the Drivers lower right hand wall control panel?
Saloon Lights - 2 seconds
MAD Button - 10 second intervals
Cab Air Booster
Cabin Heater
Door Indicator - dimmer
Cab Speaker
Loss of Overhead, Shutdown Module (LSM) isolating switch
What does the LSM switch do?
Protection system for substations
When it detects a reduction in voltage it turns off the trailing MA’s
If travelling less then 8km/h Pantos will drop
When placed in off position the the LSM system will not operate and:
- Pantos will not raise or remain raised
- MA’s will not start
- Pantos lower for no apparent reason
- EP Circuit breaker continually trips
Must be on unless train defect requires it to be isolated
What does the Pantograph Isolating Switch do?
Electrically isolates pantograph EP valve on that motor car preventing it from being raised or lowered by the electrical button on any motor car
What does the Rheostatic Brake Isolating Switch do?
Isolates the rheostatic brake on that motor car only
What does the Auxiliary Isolating Switch do?
Prevents the Local Motor Alternator from being activated by any auxiliary start button on the train
What are the Cab Area Isolating Cocks?
Wiper Washer cock - no longer in use
Uncouple Isolate Cock - isolates flow of main res. air to pneumatic couple button
Whistle Isolation Cock - prevents it from operating
What is the VICERS Whistle Isolation Cock?
For maintenance personnel only. It prevents the whistle from sounding during testing.
Drivers are to check that it is in the vertical position
What does the Brake Valve Isolating Cock and Switch (BVICS) do?
Controls flow of:
Main Res. air to the auto air brake valves and into the Brake Pipe through the Brake Controller
Electrical current to the EP and Rheo Brake Selector switches in the Brake Controller
Electrical current to the low-pressure flag and lock-out magnet valve
Electrical current to the door monitoring circuits for the blue door closed lights
What does the EP Circuit Breaker do?
It protects EP brake circuit.
It’s an on/off switch for EP/Rheo braking
Train will operate on air brakes
- What does the DC Supply Circuit breaker do?
Protects DC supply circuit.
It is train-lined
Only one DC Supply Circuit breaker needs to be set for the train to remain in service
- What does the Control Circuit Breaker do?
Protects:
Control Circuit Reverser
Master Controller
Rheo Brake
Panto Raise and Lower
Traction Overload Reset
Control Governor
The train will fail if tripped - constantly flashing blue doors closed light
- What does the Auxiliary Control Circuit Breaker do?
Protects:
Bell
Auxiliary Start
Doors Release/Close
Saloon Lights
Couple/Uncouple
Air con#1 control
Local Rheo brake
Scharfenberg self-centering
The train will fail if it trips with the saloon doors in open position
- What does the Compressor Governor Circuit Breaker do?
Protects?
110vDC compressor governor circuit
When tripped the CG on that MC will no longer monitor main res. pressure.
Train-lined SPB are on this circuit and will not operate
- Compressor Sync Circuit Breaker?
We don’t touch
What does the Traction Motor Cut Out Switch do?
Isolates traction motors in the car it is located on. Traction motors will not power, Rheo brake will not operate, any traction related fault lights will extinguish
Motors can be isolated completely or in pairs - 1 & 2 or 3 & 4
The Line SW light will illmuminate
What are the Van Area Isolating Cocks?
Panto EP Valve
MA EP Valve
Trip Gear Raise / Lower switch
BP Sensor
Panto and MA EP Valves
EP MR (Stop Flag)
What does the Panto EP Isolating Cock do?
Isolates flow of main res. air to the local Panto EP raise valve
Also allows air to pass, causing Panto on that motor carriage to lower - preventing it from being raised remotely
What does the MA EP Isolating Cock do?
Isolates the flow of main res. air to the local MA start EP valve
Also prevents MA from starting via the axillary start button from any motor
What does the Trip Gear Isolating Cock do?
Isolates the flow of control res. air to the trip latching lever.
When isolated the trip will lower irrespective of the position of the trip latching lever
What does the Brake Pipe (BP) Sensor Isolating Cock do?
Isolates the flow of BP air to the Scharfenberg uncoupling governor allowing the coupler to uncouple regardless of BP pressure
What does the Panto and MA isolating Cock do?
Isolates the flow of main res. air to the local:
Pantograph raise EP Valve
Motor Alternator start EP Valve
For fitters only
this valve is the same as isolating the first two
What does the EP Main Reservoir Isolating Cock do?
Isolates the flow of main reservoir air to the stop flag.
When isolated the low pressure flag will rise
What is in the lower cabinet below the van area isolating cocks?
Pantograph storage reservoir guage
Pantograph Reservoir Cock
Pantograph Compressor Push Button and Circuit Breaker
Pantograph two way cock
What does the Pantograph Storage reservoir Guage do?
Indicates the amount of air pressure available in the pants storage res.
Res. is a backup supply for when the main res. has insufficient air to raise the local panto
What does the Pantograph Reservoir Cock do?
controls passage of main res. air to and from the pants storage res.
What does the Pantograph Compressor Push button and Circuit Breaker do?
Turns the battery-operated pantograph compressor on and off
It will operate for 3 mins and turn itself off
What does the Pantograph Two Way Cock do?
Allows air from the battery-operated compressor to flow to the pants to raise it
What do the Local Park Brake Apply and Release buttons do?
They individually apply or release park brakes on a motor car.
They are pneumatic
What does the Door Loop Bypass Key switch do?
It is turned to isolate to allow for Traction power to be available of the train has a Flashing Door Closed Light
The VICERS key is used to isolate the key switch
Once turned it cannot be returned to normal position
Where are the Saloon area switches and circuit breakers?
Above saloon door number 3 in every car.
What do the Saloon area switches control?
Lights 1-3
Lights 4-6
Doors ‘A’ Isolate
Doors ‘B’ Isolate
AC 1
AC 2
PA speaker isolate
GPO on/off switch
What are the components fitted to the PLC?
Door Chimes
Door Secondary Release function
Door Open-Close button
Door delay closing relay
Foot Pilot Valve
Control Governor Bypass Button
Secondary Pilot Valve
Door Loop Bypass controls
The PLC has a circuit breaker attached. If it trips all of the above will not be available
