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Comeng traction Flashcards

1
Q

What is this?

A

Westcode Bogie

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2
Q

What is this?

A

Westcode Brake Cylinder (Applied)

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3
Q

What is this?

A

Westcode Brake Cylinder (released)

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4
Q

What is this?

A

Knorr Bogie

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5
Q

What is this?

A
  • Yellow TECHAV Cock
  • Red EC Cock
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6
Q

What is this Cock?

A

Main Res to Brake Controller

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7
Q

What is this?

A

Air Compressor (Westcode)

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8
Q

What are these Isolating cocks?

A

Red: Compressor Governor
Blue: Control Reservoir Out

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9
Q

What are these?

A

Smaller: Auxiliary Equipment Case
Larger: Main Equipment Case

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10
Q

What are the cocks on the side and the big thing in between them?

A

Left: Main Switch
Right: Auxiliary Isolate & Pantograph Interlock
Middle: Line Breaker Case

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11
Q

What is this?

A

Motor Alternator (Westcode)

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12
Q

What are these isolating cocks?

A

Red: Doors B
Yellow: Doors A
Blue: Doors System (both)

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13
Q

What is this?

A

Air dryer and Filter system

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14
Q

What is this?

A

Westcode Brake Unit

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15
Q

What is this?

A

Seven Step Relay

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16
Q

What is this valve?
VL

A

Variable Load

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17
Q

What is this wire?

A

Hand release wire

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18
Q

What is this valve?
RALV&BCV

A

Restricted application Limiting Valve and Ball Check Valve

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19
Q

What is this valve?

A

W.E.P.R Triple

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20
Q

What is this valve?

A

By-pass check

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21
Q

What is this valve?

A

Release Ensuring

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22
Q

What is this valve?

A

Dump

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23
Q

What is this valve?
RAM

A

Restricted Application Magnet
(M cars only)

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24
Q

What puts spring park brake on & off?

A

Air: off
Spring: on

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25
What does the dump valve do?
Prevents the brakes from sticking
26
What are the components of the Electrical Equipment Case? MAL
- Main Equipment Case - Aux Equipment Case - Line Breaker Case
27
What does the 415v Motor Alternator power? SHAT
- Saloon Doors - Headlights - Air con - Traction Cooling Fan
28
What are the reasons you might get a Flashing Door Closed Light? CRAPDOTS
- Control circuit breaker trip in rear cab - Rear motor tail lights off - Auxiliary circuit breaker tripped in other cab - PC circuit breaker tripping in any trailing car - Door system fail - Open circuit train cable - Train has uncoupled and coupler still sensors its coupled - 2nd BIVCS open
29
Knorr: What makes up the Reservoir System? APES
- auxiliary reservoir - Precontrol reservoir - EP reservoir - Supplementary reservoir
30
What is the air pressure for: Control governor open and closed?
Open: 310 - 340 Closed: 400 - 430
31
What is the air pressure for: Full brake pipe ?
550 kpa
32
What is the air pressure for: Minimum reduction ?
50 Kpa
33
What Brake Pipe pressure is Full service when in Automatic Air Brake?
380 - 410 Kpa
34
What is the air pressure for: Reset Vicers/Trip?
25 Kpa (for test) real life 0 kPa
35
What is the air pressure for: EP step 1 & 2?
75 Kpa
36
What is the air pressure for: EP step 7?
250 Kpa
37
What is the air pressure for: Full service Air Brake and Emy?
275 Kpa
38
What is the air pressure for: Holding Pressure?
35 Kpa
39
What is the air pressure for: Main res operating Range?
585 - 725 Kpa
40
What is the air pressure for: LP raise?
500 ⬇️
41
What is the air pressure for: Raise Pantos?
500 kpa
42
What are the two cocks behind the Brake Unit?
- BP to Triple Valve - MR to 7 Step Relay
43
Westcode: What is the Isolating Cock in between the Brake Unit and Auxiliary Reservoir?
Control Reservoir IN
44
Westcode: What are the 3 Isolating cocks in between the Brake unit and the Air Dryer?
B-side: Saloon Door B Middle: Saloon Door A A - Side: Saloon Door System
45
What are the Van Area Isolating Cocks? Petes Mother Takes Big Poos Everyday
- Panto EP - MA/EP - Trip Gear - Brake Pipe Sensor - Panto and MA - EP/MR
46
How long do the Emergency Lights stay on and when will the Emergency Marker Light flash to indicate it needs to be reset?
Stays on for 2 hours but Emergency Marker Light will flash after 1 hour and 45 minutes to indicate it needs resetting.
47
How many DC Supply Circuit Breakers need to be set for the train to stay in service?
1
48
What does the SUPPLY status light indicate?
That 110v DC is operational on the train.
49
How many Trumpets are on the whistle?
3
50
Where does the Trip get its air supply from?
Control Reservoir
51
What runs on the 1500v DC? HCMT
H - high power C - Compressors M - Motor Alternators T - Traction Motors
52
What are the seven positions of the Electo- Pneumatic Brake?
Step 1 to Step 7
53
What are the pressure attributed to the seven positions of the Electo- Pneumatic Brake?
Step 1: 75 kPa Step 2: 75 kPa Step 3: 110 kPa Step 4: 145 kPa Step 5: 180 kPa Step 6: 215 kPa Step 7: 250 kPa Emergency: 275 kPa
54
What are the three positions of the brake controller when in Auto Air Brakes?
- Running & Release - Service Zone (applied) - EMERGENCY
55
What limitations do you have in a Westcode when using Automatic Air Brake?
You will no longer have Anti-Slip protection while using Automatic Air Brake
56
What are the components of the BRAKE CONTROLLER? CLEERRR
- Charging Valve - Lock Out Magnet and Ball Check Valve - Emergency Exhaust Valve - Equalising Reservoir - Release Prevention Valve - Relay Valve - Regulating Valve
57
When will the LP flag raise?
- Main Reservoir falls below 500 kPa - Lock-out Magnet Valve De-energised - Brake Valve IC and Switch is closed
58
BVICS controls the flow of what? MEEE
- Main res air to auto air brake valves and into brake pipe through Brake Controller - Electrical current to EP and Rheostatic brake selector switches in the brake controller - Electrical current to LP flag and Lockout magnet valve - Electrical current to door monitoring circuits for the BDCL.
59
What does the Variable load valve do?
Monitors air pressure in the air suspension system
60
What does the Seven Step Relay Valve do?
It converts electrical Code signals from the brake controller into seven equal steps of air pressure during EP braking.
61
What does the restricted application magnet valve do?
Prevents the simultaneous application of the EP break while rheostatic braking. On Westcode it also provides the holding pressure.
62
What does the triple valve control the flow of compressed air from? BAABBA
- Brake pipe to auxiliary reservoir - Auxiliary reservoir to brake cylinders - Brake cylinders to atmosphere
63
What does the release ensuring valve do?
Removes 14 kPa from the auxiliary reservoir when the brake controller handle was placed to the run and release position.
64
What does the bypass check valve do?
Provides a passage for main reservoir air to reach the brake cylinders.
65
What does the auxiliary reservoir do in a westcode?
Supplies air pressure to the brake cylinders.
66
What does the auxiliary reservoir do in Knorr?
Supplies air pressure to pre-control reservoir.
67
Between which speeds is rheostatic braking applied.
5 - 115 km/h
68
Which wheels are the Spring Park Brakes located?
1, 3, 5, 7
69
When will the spring Park brakes come on?
- when the illuminated red park brake button is pressed for five seconds - when the reverser is placed to off - when the reverse is placed in neutral after 60 seconds
70
How do you reset the Vicers?
- Bring train to a stand - Wait 10 seconds after the initial activation of the emergency break - push the Vicers acknowledge button - Recharge the brake pipe
71
What are the three methods to resetting the trip?
- Placing the brake controller handle into the emergency position - Brake pipe pressure must be 0 kPa - Depress the manual reset button on top of the trip valve
72
When must a low speed brake test (service brake) be performed?
When docking a previously prepared train
73
A running brake test (service brake) must be carried out after what 5 things?
- Changing ends & activating a new cab - Relieving a train from another Driver - Dividing or attaching - A defect or alteration to brake equipment - Transitioning from dry to wet rail
74
After what four things must you perform a running brake test (automatic air brake)?
- Changing ends & activating a new cab - Relieving a train from another Driver - Dividing or attaching - A defect or alteration to brake equipment
75
Within what boundaries must you not conduct a running brake test (automatic air brake)??
Inner Suburban Area
76
If the PLC trips in any trailing motor?
You will receive a FDCL
77
At what speed does the anti-neutralisation device activate?
8 km/h
78
What is the purpose of the Main Reservoir?
It RECEIVES, COOLS and STORES compressed air from the air compressor.
79
What makes up the Brake COMPONENT? CLEERRR
- Charging Valve - Lock Out Magnet - Emergency Exhaust - Equaliser Res - Regulating Valve - Release Prevention Valve - Relay Valve
80
What position is this on the coupler?
Uncoupled
81
What position is this on the coupler?
Coupled
82
BP Pressure for Control Governor (CG bypass button) Test?
290 kPa
83
Continuity Test - BP pressure must fall below?
300
84
Control Reservoir minimum pressure?
490 kPa
85
What does the Auxiliary Control Circuit Breaker govern? BAD SCARS
Bell Aux Start Doors Saloon lights Couple/uncouple Air con 1 Rheo Braking Scharfenberg
86
What does TECHAV isolate?
Trip Emergency application valve Control Governor Hand pilot valve Anti-neutralisation Vicers Activation valve
87
What are the operating parameters of the brake cylinder on a Westcode bogie collar in the applied position?
30 to 65 mm

Metro (24 decks)

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