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Air Brakes Flashcards

1
Q

When is the Brake Pipe (white needle) for an M3 fully charged?

A

130-150 psi

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2
Q

When is the Brake Pipe (white needle) for an M7 fully charged?

A

120-150 psi

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3
Q

When is the Brake Pipe (white needle) for an M9 fully charged?

A

120-150 psi

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4
Q

When is the Brake Pipe (white needle) for a C3 / DE / DM fully charged?

A

110 psi

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5
Q

Door lights
for M3

Red:

A

Red: Door open

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6
Q

exterior Door lights for M7 (near door)

Red:
Amber (flashing):
Red (flashing):

A

Red: Door Open
Amber (flashing): Door Disabled
Red (flashing): Door closing

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7
Q

exterior Door lights for M9 (near door)

Red:
Amber (flashing):
Red (flashing):

A

Red: Door Open
Amber (flashing): Door Disabled
Red (flashing): Door closing

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8
Q

exterior Door lights for C3 (near door)

RGAR

A

Red: Door Open
Green: Door Closed
Amber (flashing): Door Disabled
Red (flashing): Door closing

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9
Q

What is the Main Reservoir pressure for a C3?

A

125-140 psi

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10
Q

when is a C3 at Max Brake?

A

Brake Cylinder (RED needle) is 30 psi

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11
Q

DE
DM
C3

Fully Charged Brake Pipe (white needle) = 110 psi

A

..

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12
Q

DE/DM only

What is “bottled air” error?
How can it be solved?

A

Bottled Air error: When the Brake Cylinder (red needle) can not go to 0

To solve this, open one of the four Independent Application and Release Valves

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13
Q

When brakes increase (or applying brakes) =
BRAKE CYLINDER (red needle) increases

If brake cylinder (red needle) decreases to 0, train can start

A
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14
Q

Emergency / Dump

A

a rapid reduction in brake pipe (white needle) pressure

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15
Q

On a Push-Pull Train:

DE/DM is pushing/pulling
Bi-level Cab Car is useless

A
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16
Q

On a C3,
the Brake Pipe (white needle) can be either

1)
2)

A

1) Fully Charged (out of emergency) - 110 psi

2) Emergency / “dump” - 0 psi

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17
Q

Class II / Intermediate Rear End brake test for Diesel/ DE/ DM/ C3 (cab car)

What must be observed before doing this?

A

Brake Pipe at 110 psi DE / DM / C3 Fully charged

Check Main Reservoir at 125-140 psi

C3 Brake Cylinder (Red Needle) = 30 psi
DE/DM Brake Cylinder = 45-55 psi

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18
Q

Class II / Intermediate Rear End brake test for Diesel/ DE/ DM/ C3 (cab car)

Order of signals:

A

oooo

o

oooo

—

—

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19
Q

DE = Diesel

DM = Diesel & Electricity

A
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20
Q

when is a M3 at Max Brake?

A

Brake Cylinder (RED needle) is approximately 70 psi

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21
Q

when is a M3 at Emergency?

A

Brake Cylinder (RED needle) is approximately 75-90 psi

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22
Q

when is a M7 at Max Brake?

A

Brake Cylinder (RED needle) is approximately 38 psi

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23
Q

when is a M7 at Emergency?

A

Brake Cylinder (RED needle) is approximately 42-54 psi

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24
Q

when is a M9 at Max Brake?

A

Brake Cylinder (RED needle) is approximately 36-53 psi

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25
Q

when is a M9 at Emergency?

A

Brake Cylinder (RED needle) is approximately 41-58 psi

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26
Q

What does EMV stand for?

A

Emergency Magnet Valve

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27
Q

when is a DE / DM at Max Brake?

A

Brake Cylinder (ANALOGUE NUMBER) is 45-55 psi

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28
Q

exterior Door lights for M3 (near door)

A

Red - Door open

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29
Q

F End

Engineer’s end / Engineer’s compartment side

A
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30
Q

A End

where the doors are operated from

Engineer’s compartment NOT here

A
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31
Q

Fully Charged Brake Pipe (white needle or analogue)

A

M3 = 130-150 psi

M7 = 120-150 psi

M9 = 120-150 psi

C3/DE/DM = 110 psi

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32
Q

400s

DE is Diesel only

No Electricity, No 3rd Rail

A
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33
Q

DE/DM

The end closest to the engineer is the Front end. ”F” end

The back is the ”B” end
(farthest from the engineer)

A
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34
Q

500s

DM

1) Diesel &
2) Electric (3rd rail)

A
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35
Q

DE/DM

Brake Pipe (analogue) fully charged: 110 psi

Main Reservoir: 125-140 psi

Max Brake: 44-55 psi

A
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36
Q

Sealing Switches = so they can’t be manipulated under normal circumstances.

Sealed: Switch is cut out (off)
Break Seal: switch is cut in (in)

A
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37
Q

DE/DM
ASC Seal location:

Lower Left hand electrical locker catwalk

A
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38
Q

ASC Seal locations:

A

DE/DM: lower left-hand electrical locker / CATWALK

C3: behind Engineer’s Cab in locker above the PTC onboard computer

M3: “B” Car only, “B” End, Locker behind the bathroom on the ceiling

M7: “B” Car, off the cab side, electrical locker opposite of the Engineer’s cab

M9: “B” Car, on Cab Side, electrical locker behind Engineer’s cab

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39
Q

DE/DM

CHEAT SHEET

A

Brake Pipe Fully Charged (analog): 110 psi

Main Reservoir: 125-140 psi

Max Brake (Brake Cylinder analog): 45-55 psi

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40
Q

C3

CHEAT SHEET

A

Brake Pipe Fully Charged (white needle): 110 psi

Main Reservoir: 125-140 psi

Max Brake (Brake Cylinder Red Needle): 30 psi

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41
Q

M3

CHEAT SHEET

A

Brake Pipe Fully Charged (white needle): 130-150 psi

Main Reservoir: 130-150 psi

Max Brake (Brake Cylinder Red Needle): approx. 70 psi

Emergency (Brake Cylinder Red Needle): 75-90 psi

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42
Q

M7

CHEAT SHEET

A

Brake Pipe Fully Charged (white needle): 120-150 psi

Main Reservoir: 120-150 psi

Max Brake (Brake Cylinder Red Needle): approx. 38 psi

Emergency (Brake Cylinder Red Needle): 42-54 psi

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43
Q

M9

CHEAT SHEET

A

Brake Pipe Fully Charged (white needle): 120-150 psi

Main Reservoir: 120-150 psi

Max Brake (Brake Cylinder Red Needle): 36-53 psi

Emergency (Brake Cylinder Red Needle): 41-58 psi

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44
Q

C3 Exterior F-end Lights

A

Blue: ASC cut in / ATC operative

Red (flashing): hand brake applied

White: door station energized

Amber: air brakes applied

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45
Q

if you have Stuck Brakes on a DE/DM, you must pinch the

truck cut outs

A
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46
Q

Where are the truck cut outs on a DE/DM?

A

truck cut outs on:
Engineer’s side only. “F” end & “B” end
CAB SIDE
Either side of fuel tank
Outside only

on DM, there’s an additional 3rd cut out inside the car

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47
Q

If brakes are stuck on a C3, utilize truck cut outs

On a C3, where are the Truck Cut Outs located?

A

OUTSIDE by doors L1 & L2 (Southside)

and

Inside Locker 4 & 6

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48
Q

C3 Trainline Indicators

A

1) Brake Applied Light: All air brakes are applied

2) Brake Release Light: All air brakes are released

3) Door Closed Light: All doors are closed

4) Brake Pipe Gauge: Only after a proper brake test

5) Parking Brake Hand Brake: illuminated when 1 or more parking/hand brakes are applied

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49
Q

For a C3 train to move, which two Trainline Indicators must be illuminated?

A

Brake Release Light & Door Closed Light

Train cant go if any of these two lights are off

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50
Q

ACSES Seal location on all trains:

A

C3: behind Engineer’s cab in the locker above the PTC onboard computer

M3: “B” car only, “B” end, adjacent to the Bathroom

M7: “B” car in Engineer’s cab, off cab side locker

M9: “B” car in left hand electrical cabinet, just behind the Engineer’s Operating Cab

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51
Q

What are two ways to initiate/place a DE/DM/C3 into Emergency?

A

1) ABV / Automatic Brake Valve into emergency position

2) EBV / Emergency Brake Valve handle

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52
Q

DE/DM has an INDEPENDENT BRAKE (the culprit of “bottled air”)

C3 doesn’t have Independent Brake (thus C3 doesn’t have Bottled Air issues)

A
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53
Q

Mode Selector Knob - used to convert from Diesel to Electric

A
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54
Q

DE/DM to C3 Connection

  • (MU Connection) Black 36 pt.
  • (Communication) Blue 36 pt.
  • (4) High Voltage - 3 pt.
  • Brake Pipe to Brake Pipe
  • (DE/DM) Car Supply to Main Reservoir (C3)
A
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55
Q

C3 to C3 Connection

  • (MU Connection) Black 36 pt.
  • (Communication) Blue 36 pt.
  • (4) High Voltage - 3 pt.
  • Brake Pipe to Brake Pipe
  • (C3)Main Reservoir to Main Reservoir(C3)
A
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56
Q

Diesel Passenger Air & Electrical Connections

A

Communicating buzzers, doors, etc. = Blue 36 pt.

Provides heat, light, and air conditioning / HEP = (4) High Voltage 3 pt.

Tractive Power / Ability to move train = Black 36 pt.

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57
Q

name 5 switches that are SEALED on the DE/DM

A

1) TE Limit Bypass
2) Train Brakes Bypass
3) Hand Brake Bypass
4) Coach Door Bypass
5) Deadman Bypass

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58
Q

Standing Electric Cut Out (SECO) Switch Procedure

A

SECO: Cutting out ASC without breaking seal in territory thats not speed control

To do this, depress and hold SECO switch on the ground

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59
Q

DIESEL PASSENGER

During a Class II brake test, the brakeman does not observe a Brake Cylinder Release (0) on the rear locomotive. What could be the cause?

A

Bottled Air

to fix this, hit any of the four Independent Application-Release Valve

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60
Q

Cab Cars are number 5000 (even & odd numbered)

A
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61
Q

Trailer cars have NO F-end / No engineer’s compartment

Trailer cars instead have “A”-end (Where the door operating panel is located)

A
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62
Q

Exterior lights at “A” end of a T Car, TT Car, or C3

A

Red (Flashing): Hand brake applied

White: Door station energized

Amber: Local air brake applied

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63
Q

Exterior Door Light (Amber Flashing) = Door disabled

This flashes when you cut out a door

A
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64
Q

Door Malfunction - C3

on C3, Code 6 cant be reset on Door control module

C3 Code 6: Door must be cut out (electrically & manually)

A
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65
Q

to go Under C3, what procedure do you do?

A

ISOLATION OF HEAD END POWER

To isolate Head end power:
1) MODE switch to OFF
2) Isolation Switch set to ”START-STOP-ISOLATE”

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66
Q

to go Under DE/DM, what procedure do you do?

A

Discharge the DC Link

aka

DCL Shorting Test
(same name to go under M7/M9)

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67
Q

When laying up equipment in a yard, how many handbrakes must be applied?

A

A minimum of two handbrakes must be applied on each end, unless otherwise provided

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68
Q

F-end exceptions (E-10 & E-15)

Engineer is at the B-end.
F-end is far from the engineer

A

E10 & E15 = the long hood is the front end / F-end

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69
Q

Maximum allowable brake cylinder piston travel

A

E-10 = Not exceeding 4 inches

E-15 = Not exceeding 6 inches

Freight Car = 7-9 inches

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70
Q

Freight car Brake Pipe Angle Cock positions:

for Open & Closed

A

Inline: Brake pipe open
Perpendicular : Brake pipe closed

brake pipe = the exception

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71
Q

How to RELEASE STUCK BRAKES on a freight car

A
  1. Close the Brake Pipe Branch Pipe Cut-Out Cock (BPBPCOC) - this stops it from applying
  2. Pull the Duplex Release Rod - this releases whatever is left in there
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72
Q

Freight Cars Retaining Valve are in what 3 positions?

A

1) Direct Exhaust: *Always used on LIRR

2) Slow Direct Exhaust

3) High Pressure - brakes will never release

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73
Q

PASSENGER
CFR Part 238 tests:

A

Class I = Done only by a QMP

Class IA (walking brake test) = Done by QMP or QP

Class 2 (rear end test) = Done by QMP or QP

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74
Q

CFR 238 Class I brake test

A

Only by QMP

3 hours long

BT4 brake test slip (1 calendar day & cannot expire)

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75
Q

When the following are in-line with the pipe, are the valve open or closed?

Brake Pipe

Main Reservoir equalizing

Actuating

A

Brake Pipe = Open (exception)

Main Reservoir equalizing = closed

Actuating = closed

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76
Q

PASSENGER Trains must have what percentage of brakes in operating condition before leaving initial terminal?

A

100%

On a charged train

At 100% operative brakes, Trainline Brake Applied can turn on

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77
Q

you need 85% operative brake to work on Main Track

A
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78
Q

Standard BRAKE PIPE (White Needle) fully charged

Freight = 90 psi
Diesel Passenger (DE/DM/C3) = 110 psi

A
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79
Q

On diesel:

if handles are Perpendicular to the pipe, is the Brake Pipe Angle Cock open or closed?

A

Perpendicular = Angle Cock is closed

It should be opened slowly

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80
Q

Whats the sequence of communication buzzers for a

Class II brake test on Push-Pull train

A

oooo (Release ABV brake & reapply brake)

o (Place ABV on HOLD)

oooo (release air brakes)

—

—

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81
Q

PASSENGER CFR 238

How long is a Class 1 BT4 brake test slip valid for?

A

One calendar day (cannot be permitted to expire enroute)

Class 1 ✅ = expires at 11:59pm tomorrow

Class 1A ✅ = expires at 11:59pm tonight

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82
Q

On a C3/T/TT coach, what does the plunger in the extended (out) position indicate?

A

Disc brakes APPLIED

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83
Q

FREIGHT
CFR Part 232 tests:

A

Class I (QMP & QP) Walking Brake Test

Class III (QMP & QP) Rear End brake test

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84
Q

What are the different types of brake shoes for Diesel Equipment?

A

Cast Iron: 1/2 inch

Composite: 3/8 inch

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85
Q

When

. Relieving at a crew change point
. Switching cars at a yard

Is a Class II brake test required?

A

No

86
Q

On a FREIGHT train, what does an extended piston indicate?

A

Piston extended: Brakes applied

Freight piston: 7” - 9”

87
Q

Where is the ASC Seal on

1) Eng. 502
2) Cab Car 5004

A

1) 502 = DM = Lower left hand electrical locker / catwalk

2) Behind the Engineer’s Cab in the locker above the PTC Onboard computer

88
Q

the ”F-end” on these locomotives:

E10 = long hood
DM = short hood
E15 = long hood

A
89
Q

C3

Cab Car 5,000

Trailer Car (T) 4,000 (even)

Trailer/Toilet Car (TT) 4,000 (odd)

A
90
Q

What provides power for the lights, heat, and air conditioning on the C3 equipment and what is the power called?

A

(4) High Voltage 3 point jumper

HEP

91
Q

What train lined air connection is present on all LIRR equipment?

A

Brake Pipe

92
Q

Enroute power brake defect

A

99% - 85% = MAS

84% - 75% = 40MPH or 1/2 MAS (whichever is lower)

74% - 50% = 20 MPH or less

93
Q

Freight / work cars must be at

100% operative brake from initial to perform “service/work”

Minimum 85% operative brake from initial terminal ONLY TO REPAIR FACILITY

A
94
Q

how long can a ACSES / ASCDT-1 certification be valid for

A

24 hours (can expire enroute)

95
Q

On Diesels & MUs

COCK & VALVE
Perpendicular = open
In-line = closed

EXCEPTION:
But when connecting the hoses for the brake pipe
Perpendicular = closed
In-line = open

A
96
Q

How do you know you have 100% operative brakes?

A

You have trainline Brake APPLIED light during Brake Tests

97
Q

on MU, the Brake Pipe (white needle) is a trainlined air connection that controls the Emergency braking only

A
98
Q

M3

(low voltage) six jumpers between married pairs

2 High Voltage jumpers on the (Southside on B-end)

A
99
Q

symptom of local brake problem

A

BP is charged

Engineer is in COAST

There is no Brake Release light

100
Q

1A Walking brake test on DE/DM

A

oooo (walk the release)

101
Q

1A Walking brake test on M3

A

oooo
o

102
Q

1A Walking brake test on M7

A

oooo
o
oooo
o

103
Q

M3

whats the issue if you

Don’t observe an emergency brake application after the second oooo

A

Plugged EMV in the Head Pair

(deadman dont work)

104
Q

M7

whats the issue if you dont observe emergency brake application after the first oooo?

A

BPCO closed (in the DOWN position)

105
Q

Diesel Passenger Trains Class II brake test buzzers?

A

OOOO = apply brakes

O = place Automatic Brake Valve to hold

OOOO = release brakes

— = brakes have applied & released (on rear car) & are operative

— = Engineer acknowledges

106
Q

M3 = High 9000

M7 = 7000

M9 = low 9000

A
107
Q

LOW VOLTAGE is Train lined on MUs

HIGH VOLTAGE stays within married pairs on MUs

A
108
Q

Jumper Cables between married pairs

M3 = 8 (6 low voltage, 2 high voltage)

M7/M9 = 14

A
109
Q

How many jumper cables between married pairs of cars carry HIGH VOLTAGE on MU cars?

A

M3 = 2 high voltage jumpers on the (southside on B-end)

M7/M9 = 5 high voltage jumpers located on “B” end of every car, in the middle (high five) - drawbar

110
Q

Name the air pressure that is trainlined on MU trains

A

Brake Pipe pressure

111
Q

How many Truck cutouts (M3) & Brake Cylinder cutouts (M7 & M9) are there per car?

A

Two, one for each truck

112
Q

Where are the truck cut outs on a M3?

A

both “A” car and “B” car.

Ahead of R1 door &
Behind L4 doors

inside and outside

113
Q

Where are the EP cut outs on a M3?

A

both “A” car and “B” car.

off cab side ,
middle of the car,
under the back to back seats

inside & outside

114
Q

Locate the Service Break Cutouts on an M7

or

Inshot/Service break cutouts on an M9

A

A & B cars

behind the L1 door &
in front of the R2 door

inside & outside

115
Q

Whats the sequence of communication buzzers for a

M3 rear end brake test

A

oooo

oooo (test Deadman)

o (recharge brake pipe, release air brakes, reapply air brakes)

—
—

116
Q

Whats the sequence of communication buzzers for a

M7 & M9 rear end brake test

A

oooo EBV

o (recharge BP, release air brakes, reapply air brakes)

oooo (Master Controller)

o (recharge brake pipe, release air brakes, reapply air brakes)

—

—

117
Q

Is it permitted to depart a Terminal with an EP cut out cock cutted out in your regular scheduled passenger train?

A

No. Passenger train MUST have 100% operative brakes prior to leaving its initial terminal.

118
Q

which position of the automatic brake valve (ABV) is always active?

A

Emergency position

119
Q

C3 Walking Brake Test (1A)

A
  • Amber brake applied light is on
  • Tread brakes against the wheel / shoe thickness (3/8 composite)
  • Disc brake plungers are extended
  • Brake Pipe & Main Reservoir connected & angle/end cocks are open
120
Q

Why can an M3 be unable to charge?

A

1) Blowing EMV

2) Pulled Emergency Brake Valve

*plugged EMV = you can charge M3

121
Q

M3 EMV blows air when

A

Master Controllers Emergency position is used

Master Controller’s Deadman position is used

During ASC Penalty

122
Q

In an M3’s operating pair only,

If you plug the EMV, you’ll lose the Deadman & Emergency Position of the MASTER CONTROLLER

you’ll need someone to provide deadman protection

A
123
Q

in an M3, the deadman is built into the Master Controller.

You gotta push it in. If the deadman isn’t triggered (heart attack, engineer doesnt push it), the train goes into an Emergency dump , EMV blows air

A
124
Q

on an M3, if engineer cannot get a door closed light:

A

1) Brake Pipe not charged

2) Tripped door circuit breaker

3) Doors not closed (look for malfunctioning doors, interior door lights, cutting out doors electrically & manually)

125
Q

M3

EMV blows air = MALFUNCTION

Plugging an EMV is troubleshooting.
(brake test now?)

A
126
Q

M3 necessary trainline indicators

A

Brake Release light
(all air & hand brakes are released)
AIR Brake = to get Amber light off, cut out EP or truck
HAND BRAKE = to get red interior light off, look at G.A.Red hand brake applied

PKO bypass: gives Engineer a false brake release light

—————————————————

Door Closed light
(all doors closed & brake pipe charged)
Check for malfunctioning doors, cutting out doors electrically & manually

Door bypass: gives Engineer a false door closed light

127
Q

M3
ASC Seal location:

A

“B” car only
“B” end
LOCKER behind the bathroom on the ceiling

128
Q

On DIESEL, the Brake Pipe controls:
1) Emergency brake
2) Service brake

On MU, the Brake Pipe controls:
1) Emergency brake only

A
129
Q

Where is the EMV on an M3?

A

A car only,
Off-cab side,
Middle of car,
outside only

130
Q

Where is the EMV on an M7 & M9?

A

A & B cars,
Behind L1 door,
Inside only

131
Q

Unique to M3 A Car only:

1) EMV
2) Charging Magnet Valve
3) Auxiliary Inverter

SHARED A & B
Truck cut out (2)
EP cut out,
Handbrake,
Traction Motor cut out switch, counter relay

A
132
Q

Unique to M3 B Car only:

1) Air Compressor
2) ASC seal
3) Bathroom

SHARED A & B
Truck cut out (2)
EP cut out,
Handbrake,
Traction Motor cut out switch, counter relay

A
133
Q

Door Bypass:

A

Gives a false doors closed light

Used as last resort when you can’t get a doors closed light

134
Q

PKO bypass

A

gives a false brakes released light

used as a last resort when you can’t get a brakes released light.

PKO bypass should be used with permission as a last resort after the train crew has determined that all air and hand brakes are released.

135
Q

what are the interior lights above the engineers can on M3?

A

Green: air brakes RELEASED
Amber: air brakes APPLIED
Red: handbrake applied

136
Q

Exterior F-End lights on M3

A

ENGINEERS SIDE:
Blue: ASC Operative (cab side)
White: Door station energized

Green: air brakes released
Amber: air brakes applied
Red: HANDbrake applied

—————————————————

NON-ENGINEERS SIDE:

White: Door station energized

Green: air brakes released
Amber: air brakes applied
Red: HANDbrake applied

137
Q

M3 DOOR Light

1) Red: Door open

A
138
Q

M3 trainline Door closed light

A

1) all doors closed
2) brake pipe charged

139
Q

M3 Trainline Indicators

A

1) Brake Applied Light: All air brakes are applied

2) Brake Release Light: All air brakes & HANDbrakes are released

3) Door Closed Light: All doors are closed & brake pipe charged

4) Brake Pipe Gauge: Only after a proper brake test

140
Q

M3 ACSES seal

A

B car only,
B end,
adjacent to the bathroom

141
Q

M3 only,
Operating pair only,
If you plug an EMV what will you lose?

A

1) Deadman &
2) Emergency position of the Master Controller

youll need someone to provide deadman support

142
Q

all cutouts are inside and outside 😃

except DE/DM (all cutouts outside)

A
143
Q

M3
How would you troubleshoot having no “brake release light” with the brake pipe charged & the master controller in coast (Max brake)

LOCAL BRAKE PROBLEM

A

Walk the train & look for any lights that indicate the air brakes (amber) and handbrakes (red) are applied,

so you can release these brakes
(you want the red & amber lights to turn off) so the train can move

144
Q

how is are HAND/PARKING Brakes fail safe?

A

The parking brake is

1) spring applied
2) air released

145
Q

C3 brake plungers = North AND Southside , ground level by side doors

C3 regular truck cutouts = Southside outside by doors L1 & L2, and Lockers 4/6

A
146
Q

exterior A-end lights on C3

A

reading- -, writing, arithmetic

Red (flashing) = handbrakes applied
White = door station energized
Arithmetic = air brakes applied

147
Q

M3 required seals

A

Snow brake
ATC cutout
ACSES cutout
AIU cutout
Door bypass

148
Q

Where are the truck cut outs on a M3?

A

A and B cars
Ahead of R1 & behind L4
inside and outside

149
Q

locate the EP on an M3

A

A & B cars,
Off cab side,
middle of the car,
under back to back seats,
inside & outside

150
Q

locate the SBCO (M7) & ISCO/SBCO (M9)

A

A & B cars,
Ahead of R2 Behind L1
inside & outside

151
Q

how to release STUCK BRAKES on MUs

A

M3:
Truck cutout & EP Cutouts

M7
SBCO (Service Break CutOuts) & BCCO (Brake Cylinder Cutouts)

M9
ISCO/SBCO (Inshot/Service Brake cutout) & BCCO (Brake Cylinder Cutouts)

152
Q

Preferred method to release STUCK BRAKES on MUs

A

M3:
EP Cutouts

M7
SBCO (Service Break CutOuts)

M9
ISCO/SBCO (Inshot/Service Brake cutout)

—————————————————

because these let you retain your emergency brake if these are pulled

153
Q

Where is the EMV on M7 & M9

A

A & B cars
Behind L1 door
Inside only

154
Q

M7 & M9 Trainline Indicators

A

1) Trainline brake applied: All air brakes applied

2) Trainline brake release: All air brakes & PARKING brakes released

3) Door closed light

4) Brake pipe pressure gauge: after a proper brake test

5) PARKING BRAKE (M7 & M9)

155
Q

Trainline Brake Applied light on a charged train

= All air brakes 100% applied

A
156
Q

M3

a lit (trainline) door closed light means

the train is charged and all the doors on the train are closed

A
157
Q

What two lights in the operating cab must be lit for the train to take power?

A

1) door closed light
2) brake release light

158
Q

M3 Door Override

Name Two functions of the door hold closed switch

A

1) Engineer removes control of the doors from the crew

2) De-energize TWO energized door stations (M3 only)

159
Q

When performing an initial terminal walking brake test , you must have

a sufficient number of handbrakes to prevent the train from rolling away

A
160
Q

Class I brake test is valid for how long?

A

1 Calendar Day

and cannot expire enroute

161
Q

F-end EXTERIOR lights on M7 & M9

A

Good AW Root Beer

G = brakes release
A = brakes applied
W = door panel energized
R (flashing) = parking brake
B = ATC/ASC

162
Q

M7
ASC Seal location

A

B Car,
Off-cab side,
Electrical locker opposite the engineer

(Left electrical locker)

163
Q

M9
ASC Seal location

A

B car,
Cab side
Electrical locker behind engineer

(Right electrical locker)

164
Q

Going Underneath M7 & M9

DC LINK DISCHARGE / DCL Shorting Test

A

1) Engineer puts Master Controller in Emergency Position

2) Ensure the High Voltage indicator lights on the Auxiliary Inverter is lit

3) Request removal of 3rd Rail

4) When 3rd rail is confirmed de-energized, observe High Voltage indicator lights until extinguished

5) When extinguished, its safe to go under M7 or M9

165
Q

BTTH-1 form = CFR 232

Class 1 Walking Brake Test (FREIGHT)

A
166
Q

How long is a Class 1 brake test valid for on M7 & M9 equipment?

A

Passenger
CFR 238 BT4 slip - 3 hours

1 calendar day - cannot expire enroute

Class 1 ✅ = expires at 11:59pm tomorrow

Class 1A ✅ = expires at 11:59pm tonight

167
Q

plugged EMV = you can charge M3

A
168
Q

What disrupts an M3 brake test?

A

A plugged EMV (on operating pair)

= The deadman wont work.

169
Q

Two possible causes of an M7 being unable to charge

A

Blowing EMV (plug it)

Pulled Emergency Brake Valve (reset it)

170
Q

M7 & M9

The brake cylinder (red needle) accurately reflects the condition of the brakes on the entire car.

True or False?

A

FALSE

Brake Cylinder is JUST for the “F” end of the car (not the “B” end)

Its only reading for THAT truck (one end = F end), not the whole car

171
Q

cut outs (Truck cut outs, EP, SBCO, ISCO, BCCO) are used to

release stuck brakes (that are applied),

release brakes

A
172
Q

Fire on M7

What should you Turn off ?

A

Turn off CB 4 & 5

Traction Control 4 & 5

173
Q

M7 Sealed switches

SAADAASS

A

ATC Cutout
SSS Cutout
ALE Cutout
Door Bypass Cutout
Snow Brake
Screen Selector
ACSES Cutout
AIU Cutout

174
Q

What two Trainline indicators lights must be lit in order for the Engineer to draw power?

A

Trainline BRAKES RELEASED
(If not lit, look for airbrakes (Amber) & handbrakes (red flashing) that are applied so you can turn off these brakes / release them)

If not —> PKO BYPASS

—————————————————-

Trainline DOORS CLOSED
(If not lit, look for any Door Open (red) to close that door and check door Circuit Breakers.

If not —> DOOR BYPASS

175
Q

Why can’t an M7 charge?

A

Blowing EMV —> plug it

Pulled Emergency Brake Valve —> reset it

176
Q

what does an M7 Trainlined Door Closed lit light mean?

A

all doors are closed

***on M3, add brake pipe is charged

177
Q

M7 & M9

The Brake Cylinder (red needle) accurately reflects the condition of the brakes on the entire car.

True or false?

A

False.

The Brake Cylinder is JUST for the ”F” end of the car (not the B-end)

The Brake Cylinder is only reading for THAT TRUCK (one end = F-end), not the whole car

178
Q

What must be done if the BCCO is cut out on the head car of an M7 or M9?

A

BCCO: if you cut this out, you also cut out the emergency brakes (BCCO is less preferable).

You can still have handbrakes / parking brakes to use tho

In this case, since the BCCO has been cut out, the emergency brakes have also been disabled.
1) Get customers out of this head car.
2) Put a QP stationed at the handbrake or parking brake
3) Perform RUNNING brake test

179
Q

on M7 and M9, what to do if your train loses its Trainline Door Closed light en-route?

A
  • Check that all doors are indeed closed (Look for malfunctioning doors via vestibule lights: Red (door open) light), check door Circuit Breaker

_______________________________________

  • If an illuminated vestibule light (Red: Door open) is identified that cannot be fixed ,
    cut out the doors electrically & manually
180
Q

FREIGHT Walking Brake Test

you need what two items?

A

. FRED
. Brake Pipe Guage

181
Q

“This train requires a walking brake test” is said by:

. Special Instructions
. General Notice (GN)
. Timetable

A
182
Q

on an M3, M7, M9, you can do the EASY version of the walking brake test (just looking for the Brake Applied light & Brake Released light on one side)

But why can’t you do it for the C3?

A

on C3, you cannot do the EASY version of the walking break test, since theres no green brake release light

183
Q

Walking brake test for FREIGHT trains:

WHAT YOURE LOOKING FOR

A

making sure things are released

Look for:

  • Shoes up AWAY from wheel
  • Shoe thickness
  • Connections between are good (nothing leaking, loose)
  • Handbrakes (off)
  • Retaining valve (direct exhaust)
  • BPBPCOC (open)
  • Piston (in)
184
Q

Troubleshooting a problem where it became necessary to operate an angle cock or cutout —> must do a brake test

switching at a yard —> must do a running brake test

A
185
Q

Interior M7 Indicator lights GAR (SUPER LOCAL)

  • Green = air brakes released LOCALLY
  • Amber = air brakes applied LOCALLY
  • Red (flashing) = parking brake applied LOCALLY

Both of these (green) (amber) LOCAL lights must be lit for their one respective light to be lit on GAWRB

GAWRB is Local (but not super local)

there are 2 sets of trucks in every car. 2 sets of brakes in every car

A
186
Q

M7 “A” car unique

  • B-end Door Toggle
  • Event Recorder
  • Battery charger
  • Battery

both A & B car:
. EMV
. Auxiliary Inverter (but its A only in M3

A
187
Q

M7 “B” car unique

  • Air Compressor
  • ASC Seal
  • Bathroom

——

  • Charging Magnet Valve (but its “A” car in M3)

——

  • ALE Seal (Deadman)
  • ACSES Cutout switch
  • AIU Cutout switch
A
188
Q

BCCO (not preferred on M7 & M9) removes all braking ability from that truck

except for the parking brake

A
189
Q

after troubleshooting, do both brake tests

. Walking
. Class 2 rear end

A
190
Q

Closed BPCO (down position) is the issue for the first oooo for M7/M9

You can still charge M7 with BPCO closed (down position)

A
191
Q

DRUM SWITCH

☑️✖️✖️✖️✖️✖️✖️✖️✖️✖️☑️

First & Last car needs to be in the isolate position

A
192
Q

M7 PARKING BRAKE indicator
is opposite of usual

Extended: Parking brakes released

Retracted: Parking brakes applied

A
193
Q

M7 Mechanical Parking Brake Release 🛞

Gives you one free chance to release parking brakes if there is not enough air to release your parking brake

A
194
Q

M7 M9 Door Hold Closed Switch

removes control of the doors from the crew

*M3: adds De-energizes multiple energized doors stations

A
195
Q

Walking brake test 1A for C3/DE/DM

A
  • Amber brake applied light is lit
  • Tread brakes against the wheel/brake shoe thickness
  • disc brake plungers are extended (disc brakes are applied)
  • Brake Pipe & main reservoir are connected , and end/angle cocks are open
196
Q

Walking brake test on M7 Class 1A

A

goal: to see the brakes are applied

1) shoe up against wheel
2) shoe thickness
3) Hose connections are good, nothing leaking or fouling
4) Amber lights are on (when walking the application)
5) Green lights are on (when walking the release)

197
Q

Brakes APPLIED

_______________________________________

BPBPCOC: Closed & Duplex Release Rod NOT pulled

Retaining Valve: in High Pressure

A
198
Q

CLOSED Brake Pipe angle cock =

brakes applied (up to that point)

A
199
Q

Freight train to work: 100%

Freight train to main track: 85%

A
200
Q

List 3 possible reasons you would have a brake application on cars when
walking the release on a Class 1 walking break test (freight)

A

. Handbrakes applied

. Retaining valve (In High Pressure)

. closed Brake Pipe angle cock (up to that point)

. BPBPCOC closed and Duplex Release Rod not pulled

201
Q

M3 has no SECO switch

M7 SECO button:
. A & B car
. F-end
. cab side
. outside only

A
202
Q

name two PRIMARY uses of the electrical output of the Inverter

A

1) Recharge the battery

2) Powers the Air Compressor

203
Q

Why is it necessary to pull the Emergency Brake during an M7 Class 2 brake tests?

A

To establish Brake Pipe CONTINUITY

204
Q

where is the Parking Brake on M7/M9?

A

right behind the Engineer’s head

205
Q

Tapper Valve 🔅

Brake Pipe pressure is trainlined

Under tappet valve ⬇️
Low Voltage electrical door

A
206
Q

Diesel: Automatic Brake Valve

MU: Master Controller

A
207
Q

EMERGENCY: a rapid reduction in Brake Pipe pressure

A
208
Q

Brake Pipe Gauge becomes a Trainline Indicator

only after a proper brake test

A
209
Q

When SWITCHING at a YARD

NO REAR END brake test,
but do a RUNNING brake test

A
210
Q

when CHANGING ENDS, do a

class 2 rear end brake test

A

L (4 decks)

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