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siemans s > FA > Flashcards

FA Flashcards

1
Q

TU1 purpose

A

read BP in a rescue
charge BP/ write in a rescue
Apply an application of emergency brake
make an application of brakes

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2
Q

TU1 components

A

pressure governor
pressure sensor
pressure regulator
magnet valve
relay valve

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3
Q

where is the trip CB kept

A

behind the fire extinguisher

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4
Q

TU1 is for what kind of rescue?

A

non electrical

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5
Q

what does the towing cock do?

A

it lowers the main res pressure between where the cock is turned and the coupler to 700kpa
the local MR pressure gauge will display 700 and flashing uncouple light will occur

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6
Q

which SPBs have pad locks on hand release wires

A

bogie 1 of DMs

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7
Q

what’s in the traction container

A

traction inverter converts 1500 to variable 3 phase
TCU computer for lowering and holding brake

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8
Q

high voltage container DM

A

HSCB and ground switch
BCU (talks to BCM)

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9
Q

what does the BCM do

A

service brake
emergency brake
brake blending
wheel slide control
cleaning air supply to brakes
park brakes
air suspension system

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10
Q

what are the cocks in the BCM

A

air suspension yellow top
brake / bogie isolation red bottom

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11
Q

where is the main red in a motor car

A

2 end

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12
Q

do trailer cars have park brakes

A

yes

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13
Q

how can you tell which side of a T car you are

A

battery box b side
air compressor 1 end A side

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14
Q

what’s in the HV box on a T car

A

auxiliary container and BCU

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15
Q

what’s with the SIVS

A

self excite and battery charger
SIV receives 1500 converts to 400 AC 3 phase and 230 v AC
battery charger 110 v DC

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16
Q

overspeed

A

119 the tile will illuminate
125 safety loop opens

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17
Q

MAD. buttons tone every

A

30 seconds

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18
Q

maintenance fault tile

A

defective or isolated traction system
defective SIV (one)
defective saloon door that has been isolated by the door control unit
brake has not released on a unit
defective HVAC
defective PA system
defective CCTV system

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19
Q

reduced performance fault light

A

one or more driving motors not powering
(identified by the system)

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20
Q

compressor fault light indicates

A

low main res below pressure switch setting

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21
Q

pressures are +-

A

30kpa

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22
Q

if the park brake fault tile illuminates it means they have

A

failed to APPLY not release

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23
Q

what will happen to the VICERE fault tile if you isolate it

A

it will remain illuminated

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24
Q

safety system isolation fault tile

A

when a key switch has been bypassed on the train

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25
Q

if the HVAC light is on the HVACS are

A

off

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26
Q

brake pipe mode indicator light

A

will flash if the brake pipe mode switch has been turned

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27
Q

DCDC inverter front light wiper

A

AND HORN

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28
Q

can train manned CB

A

controls power supply to the cab console and equipment

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29
Q

train stable HSCB light control

A

can’t get traction if it’s tripped in that unit

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30
Q

if you can’t reset friction brake and monitoring

A

safety loop bypass

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31
Q

safety loop MCB and Emergency brake valves MCB

A

cannot be bypassed- must be rescued if cannot be reset

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32
Q

automatic coupler control tripped in the

A

leading centre motor
it will be impossible to uncoupled if this is tripped in any unit
can be bypassed safety loop bypass

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33
Q

door control train lined MCB

A

if this cannot be reset the door close and lock and auto inhibit features will not operate. the door loop in this case cannot be operated the train must be rescued

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34
Q

door control power supply MCB

A

just means the door cannot get power/command from the door buttons

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35
Q

what are the circuit breakers behind the fire extinguisher panel

A

trip cock device
GPO

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36
Q

stabling the train

A

park brake switch illuminated
HVAC vents are open
inspect TRIP
headlights off marker lights red

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37
Q

train stable exterior

A

check graffiti
inspect trips
general condition

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38
Q

siemens stable key out press stable

A

30 seconds for pantos to lower
ensure line voltage tile extinguishes
step light and spot light will remain illuminated for 5 minutes

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39
Q

‘brakes on’ train status tile illuminated while moving
indicates:

A

a brake has failed to release

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40
Q

isolating a bogie

A

RTA
Full cab unattended
locate affected unit
remove brake module cover
turn the cock to the isolate position
replace cover
report TMM to TC and cancel RTA
Operate in accordance with bogie isolated procedure

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41
Q

if there’s a fault with the bogie:

A

fault panel tile
once isolated train status tile will illuminate

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42
Q

Park Brake Defects:

A

attempt to release using the rotary switch
observe cab train man MCB is set
attempt to power against them- if it can be moved retrain and shunt ( but the safety loop will open if you exceed 5km/h with the park brakes on)
otherwise RTA look for air leak
submit TMM

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43
Q

how can you tell if the park brakes have failed to release?

A

the tile is illuminated
retardation
smoke/smell

44
Q

how to manually release a park brake
(mindful the park brake will automatically reset after the next application eg. key out)

A

locate
isolate bogie
locate and unlock pin
pull manual release device until tension relieved
replace and lock pin
turn the bogie IC back
replace brake module cover
TMM

45
Q

main res pressure at or above 600 (but below 850)

A

flashing uncouple button
report TMM
operate as normal
monitor duplex gauge

46
Q

main res below 600

A

emergency brakes will apply
air suspension on both bogies must be isolated
max 80km/h

47
Q

defective spring

A

remove from service
deflate both air bags on level service and look for a lean

48
Q

defective dampener

A

report and book

49
Q

if main res is a steady 700kpa

A

maybe the towing cock has been turned in that cab to the rescue position

50
Q

main res defects cars 3&4

A

RTA identify leak attempt to blank the equipment, if unsuccessful:
RTA
full cab unattended
close end cockcs
manual release park brakes with the manual release devices
isolate safety loop bypass
drive in accordance with equipment isolated
detrain and remove from service

51
Q

main res defect any car except 3&4

A

RTA attempt to blank the equipment
if it works confirm loss of equipment and TMM if not
isolate end cocks at both ends of the car, declare disabled, train must be sandwiched, if electrically coupled with a siemens the safety loop must be bypassed in the lead
once coupled: isolate bogie 1 and manually release SPB
repeat on bogie 2

52
Q

spring park brake on trailer cars?

A

yes

53
Q

main res pressure drops below 600 and compressor fault light tile illuminated

A

call TC request permission for train stable try train stable for fault rectification
if fault remains:
RTA
head to air compressor ( T car 1 end A side)
turn the pressure switch to isolate
if the compressor fails to start and main res stays below 600 declare disabled

54
Q

when might a driver turn sanders IC

A

major damage has occurred to sanding equipment
major air leak from sanding equipment that results in low main res pressure and affects safe operation of the train

55
Q

do you need to isolate an inoperative sander

A

no

56
Q

how does the whistle work

A

a solenoid valve releases air to the whistle components so it needs and electrical circuit to operate pneumatic components

57
Q

whistle sounds continuously

A

depress and release several times
trip and reset DCDC inverter wiper on affected car

58
Q

whistle not sounding

A

depress and release the lever several times
inspect the whistle isolating cock
inspect windscreen wiper horn
inspect dc dc inverter front lights wiper
TMM

59
Q

bogies isolated

A

80-100% 2 bogies on a 6 car : 10km less until 60km2h
50-80% 6-9 bogies on a 6 car : extreme caution
less than 50% disabled

60
Q

FDCL between stations

A

PA
view mirrors
reduce speed
TEC
stop at next station regardless of timetable

61
Q

pre movement /revenue

A

18 mins revenue is when it’s already been prepped
pre movement if it’s not fouling a running line /going outside station limits

62
Q

there are usually station staff for an attach divide if there are none

A

it is Driver In Charge conditions

63
Q

another cab active

A

investigate
check cleaners key etc try and activate and deactivate if it won’t trip out cab train manned

64
Q

serious and serious priority needs to be fixed by the next day

A

end run is end of that journey and return is end of that peak

65
Q

if it’s not possible to move the train inspect

A

friction brake monitoring in motor
static inverter monitoring in trailer car

66
Q

master controller handle failure / the oh fuck procedure

A

move it to emergency
press ESB
park brake on
master key too off

67
Q

headlight failure

A

external lights control MCB
external light supply MCB
DC DC inverter front lights wiper
If they’re tripped reset
use headlight switch
if not already tripped, trip and reset

68
Q

fire on train

A

turn off the HVACs
evacuate at a station
advise and use DERs if necessary

69
Q

skidding wheels / locked axles

A

permanent wheel slip light
retardation/ smoke/ smell / sound
- stop TEC RTA locate isolate bogie or SPB might not work, clear section at 5km/h cannot be moved if fault is on lead

70
Q

locked axle or skidding week trains to do 15 until track has been inspector

A
71
Q

whistle faults

A

re release
reduced speed cautiously considering cuttings curves crests visibility
must not exceed 15 through yards stations or near employees working on the line
high low beam over level crossing

72
Q

headlight failure

A

one light failure no restrictions
day light- max 50 murl west richmond tunnel
darkness- 50 through stations / crossing loops 15 level crossing station yard
marker lights
frequent whistle

73
Q

2 bogies is 80%
3-6 bogies 50%

A
74
Q

window defect

A

external crack no problem
internal if the safety film isn’t compromised ok if it is you need a staff member

75
Q

you can re-instate trip cock bypass key switch unlike

A

door loop and safety loop bypass

76
Q

when the master key switch is turned on the trip will

A

lower but not set until coast/neutral

77
Q

to reset the trip set the hand and use the turret switcg

A
78
Q

water below the rail head not flowing?

A

15km/h
water over track or flowing do not proceed,
you may do 5km/h if less than 75ml and not moving after inspected by track maintenance representative

79
Q

if the trip lowered light is illuminated after deactivating the cab

A

maybe the trip cable is broken

80
Q

the secondary circuit consists of

A

safety loop
trip cock

81
Q

driving on the secondary

A

MAD every 45 seconds, 10 second window
isolate CICERS even tho train will do it automatically too

82
Q

main res normal operating pressure

A

850 to 1000
uncouple flashes when below operating range

83
Q

if main res is below 600 because of air suspension leak

A

isolate air bags

84
Q

siemans rescuing a siemans that is unbaked in one end, must isolate safety loop in lead

A
85
Q

MR leak on 3 or 4

A

isolate end cocks and release SPB
bypass safety loop (isolate vicers cos ur on the secondary)
and shunt to nearest siding

86
Q

compresasor faults

A

you will get illuminated tile with your low main res
train stable
isolate pressure switch

87
Q

panto to surge arrestor

A

to HV box (ground switch) to traction inverter and static inverters

88
Q

the brake control unit

A

sends commands to the brake module

89
Q

traction container converts the 1500v DC

A

3 phase variable AC
container has inverter and TCU

90
Q

manual raise panto

A

stable
trip panto motor
open cabinet
remove handle
clockwise until resistance
activate cab
reset CB
raise pantos
panto test (if it fails isolate it in the lowered position)

91
Q

isolate a panto with manual lowering

A

stable
trip panto motor
manually lower
activate cab
leave CB tripped out

92
Q

doors automatically close after 60 seconds

A

door control module is the door brain

93
Q

door auto inhibit will

A

leave doors 1&4 open until you send close command

94
Q

automatic application of emergency brake

A

coupler failure
over speed
critical brake fault
MR below 600
trip
vicers
safety loop short circuit

95
Q

trailer car MCB
RIGHT HAND SIDE OF DOOR 2 at 2 end trailer car

A

doors (control T- loop cannot be closed)
shut down delay
SIVS
compressor

96
Q

trailer car fault panel

A

brakes
bogies
SPBs
HVACS
SIVS

97
Q

air compressor safety valves

A

1100 compressor to dryer
1050 MR to DRYER

98
Q

SIV puts out

A

400 v AC to BATH gpo

99
Q

air goes in to the compressor

A

then through safety valve to to air dryer 1100 then through air dryer then safety valve air dryer to MR 1050

100
Q

SPB automatically applies after MR falls below

A

350

101
Q

park brakes are on wheels

A

3 and 7

102
Q

braking system consists of

A

BCU 1
BCM 2
brake cylinders 8
PB cylinders 2 (wheels 3,7)
associated cocks

103
Q

emergency brake magnet valves

A

apply when the safety loop is de energised

104
Q

the BCU and TCU think about

A

weight of train
speed
demand selected
ED brake information

105
Q

wheel slip occurs if braking effort falls below

A

90%

siemans s (7 decks)

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