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Metro > Comeng traction > Flashcards

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
Q

What does the dump valve do?

A

Prevents the brakes from sticking

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26
Q

What are the components of the Electrical Equipment Case?
MAL

A
  • Main Equipment Case
  • Aux Equipment Case
  • Line Breaker Case
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27
Q

What does the 415v Motor Alternator power?
SHAT

A
  • Saloon Doors
  • Headlights
  • Air con
  • Traction Cooling Fan
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28
Q

What are the reasons you might get a Flashing Door Closed Light?
CRAPDOTS

A
  • 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
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29
Q

Knorr: What makes up the Reservoir System?
APES

A
  • auxiliary reservoir
  • Precontrol reservoir
  • EP reservoir
  • Supplementary reservoir
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30
Q

What is the air pressure for:

Control governor open and closed?

A

Open: 310 - 340
Closed: 400 - 430

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31
Q

What is the air pressure for:
Full brake pipe ?

A

550 kpa

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32
Q

What is the air pressure for:
Minimum reduction ?

A

50 Kpa

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33
Q

What Brake Pipe pressure is Full service when in Automatic Air Brake?

A

380 - 410 Kpa

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34
Q

What is the air pressure for:
Reset Vicers/Trip?

A

25 Kpa (for test) real life 0 kPa

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35
Q

What is the air pressure for:
EP step 1 & 2?

A

75 Kpa

36
Q

What is the air pressure for:
EP step 7?

A

250 Kpa

37
Q

What is the air pressure for:
Full service Air Brake and Emy?

A

275 Kpa

38
Q

What is the air pressure for:
Holding Pressure?

A

35 Kpa

39
Q

What is the air pressure for:
Main res operating Range?

A

585 - 725 Kpa

40
Q

What is the air pressure for:
LP raise?

A

500 ⬇️

41
Q

What is the air pressure for:
Raise Pantos?

A

500 kpa

42
Q

What are the two cocks behind the Brake Unit?

A
  • BP to Triple Valve
  • MR to 7 Step Relay
43
Q

Westcode: What is the Isolating Cock in between the Brake Unit and Auxiliary Reservoir?

A

Control Reservoir IN

44
Q

Westcode: What are the 3 Isolating cocks in between the Brake unit and the Air Dryer?

A

B-side: Saloon Door B
Middle: Saloon Door A
A - Side: Saloon Door System

45
Q

What are the Van Area Isolating Cocks?
Petes Mother Takes Big Poos Everyday

A
  • Panto EP
  • MA/EP
  • Trip Gear
  • Brake Pipe Sensor
  • Panto and MA
  • EP/MR
46
Q

How long do the Emergency Lights stay on and when will the Emergency Marker Light flash to indicate it needs to be reset?

A

Stays on for 2 hours but Emergency Marker Light will flash after 1 hour and 45 minutes to indicate it needs resetting.

47
Q

How many DC Supply Circuit Breakers need to be set for the train to stay in service?

A

1

48
Q

What does the SUPPLY status light indicate?

A

That 110v DC is operational on the train.

49
Q

How many Trumpets are on the whistle?

A

3

50
Q

Where does the Trip get its air supply from?

A

Control Reservoir

51
Q

What runs on the 1500v DC?
HCMT

A

H - high power
C - Compressors
M - Motor Alternators
T - Traction Motors

52
Q

What are the seven positions of the Electo- Pneumatic Brake?

A

Step 1 to Step 7

53
Q

What are the pressure attributed to the seven positions of the Electo- Pneumatic Brake?

A

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
Q

What are the three positions of the brake controller when in Auto Air Brakes?

A
  • Running & Release
  • Service Zone (applied)
  • EMERGENCY
55
Q

What limitations do you have in a Westcode when using Automatic Air Brake?

A

You will no longer have Anti-Slip protection while using Automatic Air Brake

56
Q

What are the components of the BRAKE CONTROLLER?

CLEERRR

A
  • Charging Valve
  • Lock Out Magnet and Ball Check Valve
  • Emergency Exhaust Valve
  • Equalising Reservoir
  • Release Prevention Valve
  • Relay Valve
  • Regulating Valve
57
Q

When will the LP flag raise?

A
  • Main Reservoir falls below 500 kPa
  • Lock-out Magnet Valve De-energised
  • Brake Valve IC and Switch is closed
58
Q

BVICS controls the flow of what?

MEEE

A
  • 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
Q

What does the Variable load valve do?

A

Monitors air pressure in the air suspension system

60
Q

What does the Seven Step Relay Valve do?

A

It converts electrical Code signals from the brake controller into seven equal steps of air pressure during EP braking.

61
Q

What does the restricted application magnet valve do?

A

Prevents the simultaneous application of the EP break while rheostatic braking. On Westcode it also provides the holding pressure.

62
Q

What does the triple valve control the flow of compressed air from?
BAABBA

A
  • Brake pipe to auxiliary reservoir
  • Auxiliary reservoir to brake cylinders
  • Brake cylinders to atmosphere
63
Q

What does the release ensuring valve do?

A

Removes 14 kPa from the auxiliary reservoir when the brake controller handle was placed to the run and release position.

64
Q

What does the bypass check valve do?

A

Provides a passage for main reservoir air to reach the brake cylinders.

65
Q

What does the auxiliary reservoir do in a westcode?

A

Supplies air pressure to the brake cylinders.

66
Q

What does the auxiliary reservoir do in Knorr?

A

Supplies air pressure to pre-control reservoir.

67
Q

Between which speeds is rheostatic braking applied.

A

5 - 115 km/h

68
Q

Which wheels are the Spring Park Brakes located?

A

1, 3, 5, 7

69
Q

When will the spring Park brakes come on?

A
  • 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
Q

How do you reset the Vicers?

A
  • 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
Q

What are the three methods to resetting the trip?

A
  • 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
Q

When must a low speed brake test (service brake) be performed?

A

When docking a previously prepared train

73
Q

A running brake test (service brake) must be carried out after what 5 things?

A
  • 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
Q

After what four things must you perform a running brake test (automatic air brake)?

A
  • Changing ends & activating a new cab
  • Relieving a train from another Driver
  • Dividing or attaching
  • A defect or alteration to brake equipment
75
Q

Within what boundaries must you not conduct a running brake test (automatic air brake)??

A

Inner Suburban Area

76
Q

If the PLC trips in any trailing motor?

A

You will receive a FDCL

77
Q

At what speed does the anti-neutralisation device activate?

A

8 km/h

78
Q

What is the purpose of the Main Reservoir?

A

It RECEIVES, COOLS and STORES compressed air from the air compressor.

79
Q

What makes up the Brake COMPONENT?

CLEERRR

A
  • Charging Valve
  • Lock Out Magnet
  • Emergency Exhaust
  • Equaliser Res
  • Regulating Valve
  • Release Prevention Valve
  • Relay Valve
80
Q

What position is this on the coupler?

A

Uncoupled

81
Q

What position is this on the coupler?

A

Coupled

82
Q

BP Pressure for Control Governor (CG bypass button) Test?

A

290 kPa

83
Q

Continuity Test - BP pressure must fall below?

A

300

84
Q

Control Reservoir minimum pressure?

A

490 kPa

85
Q

What does the Auxiliary Control Circuit Breaker govern?
BAD SCARS

A

Bell
Aux Start
Doors

Saloon lights
Couple/uncouple
Air con 1
Rheo Braking
Scharfenberg

86
Q

What does TECHAV isolate?

A

Trip
Emergency application valve
Control Governor
Hand pilot valve

Anti-neutralisation
Vicers Activation valve

87
Q

What are the operating parameters of the brake cylinder on a Westcode bogie collar in the applied position?

A

30 to 65 mm

Metro (18 decks)

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