AIR SYSTEMS Flashcards
1
Q
AIR IS MADE CONTINUOUS FROM FRONT TO REAR VIA
A
PIPES
HOSES
ISOLATING COCKS
2
Q
PAN RAISE BUTTON
A
SETS AUX RELAY
3
Q
1500 VDC POWERS
A
CAT
COMPRESSOR
AOD AUXILLARY OUTPUT DEVICE
TRACTION MOTORS
4
Q
MCB
A
MINATURE CURCUIT BREAKER
5
Q
WHAT DOES MAIN COMPRESSOR DO?
A
COMPRESSES ATMOSPHERIC AIR TO 800kPa TO PROVIDE HIGH PRESSURE AIR TO POWER PNEUMATIC SYSTEMS
6
Q
COMPRESSOR REQUIRES
A
1500 VDC 120 VDC ALLOWS AUX RELAY TO BE POWERED AUX RELAY SET COMP GOV MCB SET COMP SYNC MCB SET
7
Q
WHAT CONTROLS COMPRESSOR
A
COMPRESSOR GOVERNOR
8
Q
HOW DOES COMPRESS GOV WORK
A
CLOSES 600 STARTS
OPENS 800 STOPS
9
Q
TO ISOLATE COMPRESSOR
A
TRIP COMPRESSOR GOV MCB
TRIP COMPRESSOR SYNC MCB
NEED BOTH, ONE IS NOT ENOUGH
10
Q
COMPRESSOR SAFETY VALVE
A
825-850 kPa
11
Q
WHERE IS THE COMPRESSOR LOCATED
A
COMPRESSOR LOCATED UNDER THE TRAIN ON EITHER THE MOTOR CAR NO 2 END OR THE CONTROL TRAILER NO 2 END
12
Q
COMPRESSOR GOVERNOR FUNCTION
A
STARTS AND STOPS THE COMPRESSOR WHEN THE MIN OR MAX PRESSURE IS REACHED IN THE MAIN RES TANKS
13
Q
WHERE IS COMPRESSOR GOV LOCATED
A
K AND C
CGIC BEHIND DRIVERS SEAT IN SMALL CUPBOARD
14
Q
MAIN AIR RES TANK
A
STORES AIR FROM THE COMPRESSOR AT A PRESS OF 800 kPa TO POWER PNEUMATIC EQUIP THROUGHOUT THE TRAIN
15
Q
WHERE IS MAIN AIR RES TANK LOCATED
A
NO 2 END MOTOR CAR
DRIVING TRAILER OR TRAILER CAR
16
Q
LIST EQUIP REQ MR AIR
A
PANTOGRAPHS
AIR SPRINGS BELLOWS
SPRING PARKING BRAKES
CONTROL RESERVOIR CRM
CR1 DOORS LINE SWITCHES
CR2 DOORS REVERSER K SETS
WHISTLES WIPER WASHER
EP BRAKES
BRAKE STAND
17
Q
PANTOGRAPH FUNCTION
A
CONNECTS THE TRAIN TO THE OVERHEAD ELEC SUPPLY
SINGLE ARM OR DOUBLE ARM
18
Q
LOCATION PANTOGRAPH
A
NO 1 END ROOF OF TRAILER CAR OR DRIVER TRAILER
NEVER MOTOR CAR
19
Q
HOW MUCH MAIN RES AIR REQD
A
MINIMUM 150 kPa
20
Q
PANTOGRAPH USE OF AUX RELAY
A
AUX RELAY MUST BE SET
21
Q
PANTOGRAPH SUPPLIES
A
1500 V
CAT
COMPRESSOR
AOD AUX OUTPUT DEVICES
TRACTION MOTORS
22
Q
PANTOGRAPH COMPRESSOR VOLTAGE
A
T SET
120 VDC
23
Q
HOW TO ISOLATE PANTOGRAPH
A
PANTOGRAPH IC
PANTOGRAPH VALVE IC
24
Q
SPRING PARK BRAKE FUNCTION
A
FAIL SAFE SYSTEM
25
SPRING PARK BRAKE OPERATION
SPRING IS COMPRESSED BY MR AIR
WHEN COMPRESSED AIR IS RELEASED THE SPRING RETURNS TO ITS NORMAL POSITION PROVIDING FORCE THROUGH THE BRAKE CYLINDER ASSEMBLY APPLYING THE BRAKES TO THE TRAIN WHEELS
26
SPRING PARK BRAKE LOCATION
PARKING BRAKE CYLINDER IS MOUNTED ON THE BOGIE FRAME
| 2 PER BOGIE AT OPP ANGKES
27
SPRING PARK BRAKES CONTROLS LOCATED
K AND C SET
CREW CAB CAR CONCERNED
T SET
DRIVERS CONSOLE TRAIN LINED
DRIVING TRAILER LOCKER 7 CAR CONCERNED
MOTOR CAR LOWER LOCKER 5 CAR CONCERNED
28
CRM
PRV
PRESSURE REDUCING VALVE
29
CRM CR1 CR2 FUNCTION
MR AIR PASSES THROUGH THE CRM PRV WHICH REDUCES THE PRESSURE FROM 800kPa to 450kPa
30
ONCE PRV LOWERS AIR PRESSURE IT PASSES TO
CR1 VALVE TO A CONTROL RESERVOIR WHICH POWERS NO 1 DOORS AND LINE SWITCHES
CR2 VALVE TO A CONTROL RESERVOIR WHICH POWERS THE NO 2 DOORS AND THE REVERSER (K SETS)
31
WHERE ARE CR1 CR2 LOCATED
CONTROL RESERVOIRS LOCATED AT NO 2 END OR MOTOR CARS AND TRAILER CARS
32
CR2 CLOSED WILL REVERSER STILL MOVE
CR2 CLOSED CAN STILL MOVE REVERSER BUT TRACTION MOTOR WONT REVERSE
33
WINDSCREEN WIPER FUNCTION
WINDSCREEN WIPER WASHER USED TO ENHANCE VIS AND CLEAN WINDSCREEN
34
WINDSCREEN WIPER OPERATION
PNEUMATICALLY OPERATED AND CONTROLLED BY THE OPERATING VALVE
DEPRESSING THE HANDLE IN ANY POSITION PROVIDES WINDSCREEN WASHING BY SPRAY NOZZLES
35
WINDSCREEN WIPER LOCATED
WIPER ARM ASSEMBLY MOUNTED EXTERNALLY ON DRIVERS SIDE AND GUARDS WINDSCREENS
WIPER MOTOR
OPERATING VALVE
36
CAB AIR ISOL COCK
WIPERS WHISTLE WASHERS
37
WHISTLE FUNCTION
AUDIBLE WARNING DEVICE
TWO TYPES
TOWN SHORT
COUNTRY LONG
38
WHISTLE LOCATED
UNDERFRAME AT NO 2 END DRIVERS COMPT
39
EP USES WHICH AIR
MAIN RES AIR
40
FOR EP TO WORK
REVERSER OUT OF ISOL
| EP CB SET
41
EP BRAKING SYS FUNCTION
EP BRAKING SYS PROVIDES PRIMARY BRAKING EFFORT USING AN ELEC SIGNAL BETWEEN THE BRAKE CONTROLLER AND 7 STEP RELAY
42
7 STEP RELAY CONTROLS
CONTROLS THE APPLICATION AND RELEASE OF THE BRAKES IN 7 STEPS
43
7 STEP RELAY PROVIDES kPa
28-30 kPa
44
FULL SERVICE kPa
EMPTY
200 kPa
45
FULL SERVICE kPa
PACKED TRAIN
250 kPa
46
BVIC
CONTROLS MR AIR ENTRY TO BRAKE STAND
47
BRAKE CONTROLLER FUNCTION
BRAKE CONTROLLER ALLOWS DRIVER TO OPERATE
EP BRAKING SYS
AUTOMATIC AIR BRAKE
TWO SYS ARE SUPERIMPOSED SO BOTH SYS CAN BE CONTROLLED WITH THE SAME RANGE OF HANDLE MOVEMENTS
48
BRAKE STAND SECTIONS
UPPER SECTION
EP
LOWER SECTION
AUTO
49
BRAKE CONTROLLER LOCATED
LOCATED L SIDE DRIVERS CAB
50
DBCIC STANDS FOR
```
DRIVERS
BRAKE
CONTROLLER
ISOL
COCK
```
51
DBCIC PURPOSE
WHEN OPEN THE DBCIC ALLOWS BP AIR TO FLOW THROUGH THE TRAIN TO THE SAFETY AND BRAKING SYS
52
DBCIC FUNCTIONS
OPEN
CHARGES BRSKE PIPE
CLOSED
ISOLATES THE BRAKE STAND FROM THE BP
MAINTAINS BP AT ZERO KPA WHEN CUTTING OUT
53
DBCIC LOCATED
L HAND SIDE OF DRIVERS CONSOLE
54
AUTO 3 STEPS
RELEASE AND RUNNING
FULL SERVICE
EMERG BRAKES
55
BRAKE STAND
RELEASE PREVENTION VALVE
OPEN ONLY IN RELEASE AND RUNNING AND ALLOWS MAIN RES AIR TO PILOT VALVE
56
BRAKE STAND
PILOT VALVE
REDUCES MR AIR TO EQUALISING RES AT 425 kPa
57
BRAKE STAND
EQUALISING RES
RES TANK
58
BRAKE STAND
CHARGING VALVE
ALLOWS MR AIR TO TOP PORTION OF RELAY VALVE
59
BRAKE STAND
RELAY VALVE
TURNS MR AIR INTO BP AIR AT EQUALISING RESERVOIR PRESS
60
BRAKE STAND
EMERG VALVE
EXHAUSTS BP AIR TO ATMOSPHERE AND CLOSES CHARGING VALVE
61
BRAKE STAND
LOCKOUT MAGNET VALVE
ELECTRICALLY ENERGISED BY EP CCT BREAKER AND REVERSER OUT OF ISOLATION WITH 120 V
62
BRAKE STAND
DBCIC
CHARGES, ISOLATES OR MAINTAINS BP PRESS
63
BRAKE STAND
WHICH VALVE IS ONLY ONE WHICH IS ELEC AND PNEUMATIC
LOCKOUT MAGNET VALVE (EP CB)
64
BRAKE STAND
TWO VALVES WHICH CANNOT BE OPEN AT SAME TIME
CHARGING VALVE
AND
EMERG VALVE
65
BRAKE PIPE FUNCTION
TRANSFERS COMPRESSED AIR FROM BRAKE STAND THROUGH ENTIRE BRAKING SYS TO AUX/ SUPPLEMENTARY RES THEN TO BRAKE CYLINDERS
66
BP PRESS
425 kPa
67
TRIPLE VALVE FUNCTION
CAR
CHARGES AUX RESERVOIR
APPLIES AUTO BRAKES
RELEASES AUTO BRAKES
68
SAIC
SAFETY APPARATUS ISOLATING COCK
```
TRIP
DEADMAN
VIGO
CONTROL GOVERNOR
DUMP VALVE T SET
DEADMAN FOOT PEDAL T SET
```
69
BRAKE UNIT
LOAD COMPENSATOR
GIVES EXTRA KPA FOR WHEN BELLOWS SQUEEZED (FULL TRAIN)
70
TRIPLE VALVE FUNCTION
FUNCTION OF THE TV IS TO CONTROL THE SUPPLY AND EXHAUST OF AIR PRESS IN THE BRAKE CYLINDERS DURING OPERATION OF THE AUTO AIR BRAKE
71
TV HAS 3 MODES
CAR
CHARGING THE AUX RESERVOIR
APPLYING THE AUTO BRAKES
RELEASING THE AUTO BRAKES
72
WHAT AIR RUNS THROUGH TV
BP AIR
73
HOW DOES A TV RESPOND TO APPLY BRAKES
REDUCTION IN BP AIR = APPLY BRAKES
RELEASE BRAKES
INCREASE BP AIR
74
WHAT BRAKING SYSTEM IS THE TV A PART OF:
AUTO BRAKE SYS
75
AUX RESERVOIR FUNCTION
STORAGE RES FROM THE BP VIA THE TV TO APPLY THE AUTO BRAKES
IT PROVIDES AUX RES AIR TO THE BRAKE CYLINDERS FOR AUTO BRAKING
76
AUX RES LOCATED
NO 1 END OF EVERY CAR
77
BRAKE CYLINDER APPLIES WHICH BRAKES
EP
AND
AUTO BRAKES
78
BRAKE CYLINDER FUNCTION
BRAKE CYLINDER APPLIES PRESS TO THE BRAKE PAD DURING EP SERVICE OR BRAKING.
BRAKE CYLINDER COMPRISED OF THE FOLLOWING COMPTS
PARKING BRAKE CYLINDER
SLACK ADJUSTER
79
BRAKE CYLINDER LOCATED
SERVICE BRAKE CYLINDER
ONE PER WHEEL
PARKING BRAKE CYLINDER
ONE PER AXLE
80
7 STEP RELAY FUNCTION
CONTROLS THE APPLICATION AND RELEASE OF THE BRAKES IN 7 STEPS
IN RESPONSE TO AN ELECTRICAL FEED SIGNAL WHICH IS CARRIED BY THREE TRAIN WIRES AND PROVIDES FOR VARIABLE REDUCTION OF THE AIR BRAKING PRESSURE
81
7 STEP RELAY LOCSTED
ON THE EP AND AUTO BRAKE BRACKET ON THE EP BRAKE UNIT
82
WHICH AIR IS REQUIRED FOR EP BRAKES
MAIN RES
83
7 STEP RELAY
HOW MANY KPA PER STEP
28-30kPa
84
WHAT IS THE NORMAL EP RANGE
200 kPa EMPTY
250 kPa LOADED
85
AOD K AND C
MOTOR ALTERNATOR
86
AOD T SET
STATIC INVERTER
87
WHAT DOES ISOL COCK DO
ISOLATES PIECE OF EQUIP FROM AIR SYS
88
SAIC FUNCTION
ISOLATES THE SAFETY SYS FROM BP AIR
89
SAIC POSITION OPEN AND CLOSED
CROSS THE PIPE
OPEN
ALONG THE PIPE
CLOSED
90
SAIC LOCATION
UNDER DRIVER
NO 2 END MOTOR CAR OR DRIVER TRAILER
91
TRIP
FUNCTION
WHEN ACTIVATED THE VALVE VENTS THE BP AND APPLIES THE EMERG BRAKES
92
WHEN IS TRIP GEAR ACTIVATED
TRAIN STRIKES TRACKSIDE TRIP LEVER WHICH IS RAISED ON RED SIGNAL
HIGH BALLAST
ANY OBSTRUCTIONS
93
TRIP
LOCATION
UNDER DRIVER
DRIVERS SIDE AXLE NO 8 WHL
NO 2 END DRIVER TRAILER OR MOTOR CAR
94
HOW TO RESET THE TRIP
ONCE ACTIVATED THE BP MUST BE EXHAUSTED TO 0 KPA
| TO ALLOW THE TRIP TO BE RESET
95
CONTROL GOVERNOR FUNCTION
PREVENTS THE DRIVER FROM POWERING THE TRAIN WITH INSUFFICIENT BP AIR
96
CONTROL GOVERNOR OPERATION
IN EMERG OPENS TO PREVENT POWERING AND ONCE IT HAS SUFFICIENT PRESS ALLOWS IT TO POWER
97
CONTROL GOVERNOR SETTINGS
OPENS 250 KPA BP AIR NO POWER
CLOSES 350 KPA BP AIR POWERS
98
CAN U OVERRIDE CONTROL GOVERNOR
EMPB
EMERG PUSH BUTTON
BYPASSES CONTROL GOVERNOR ONLY
NEED TO PUSH ONLY WHEN POWERING
99
VIGILANCE FUNCTION
DETECTS DRIVER INACTIVITY AND RESPONDS ACCORDINGLY WITH WARNING SIGNALS AND APPLICATION OF THE BRAKES
100
VIGILANCE TASK LINKED TO WHICH SYS
MASTER CONTROLLER
BRAKE CONTROLLER
HEADLGT
WHISTLE
101
HOW MANY STAGES IN VIGO
4
102
TIMING OF VIGO STAGES
STAGE 1
30 SECS
STAGE 2 LGT
5 SECS
STAGE 3 LGT AND BELLS
5 SECS
STAGE 4 PENALTY
45 SECS
LGT STEADY AFTER 45 SECS
103
WHAT TASK LINK WONT WORK TWICE IN SUCCESSION
HEADLGT
104
HOW DO U RESET IN STAGES 2 AND 3
ACKNOWLEDGE BUTTON IR TASK LINK
105
WHAT IS REQUIRED TO SUPPRESS THE VIGO SYS
175 KPA BRAKE CYL PRESS
106
WHAT IS REQUIRED TO REMOVE SUPPRESSION
BRING BRAKE CYL PRESS < 100KPA
107
DEADMAN FUNCTION
OPERATES EMERG RELAY VALVE WHICH THEN APPLIES THE EMERG BRAKES
108
WHAT CONTROLS DEADMAN
TWO MICROSWITCHES
UNDER MASTER CONTROLLER HANDLE
UNDER FOOT PEDAL
DEADMAN MICROSW OPERATE AN ELECTRICAL SOLENOID WHICH IS MOUNTED ABOVE THE EMERG RELAY VALVE
109
CUTTING IN
BUTTERFLY KEY
REVERSER ISOL NEED DEADMAN
BRAKE CONTROLLER FULL SERVICE
DBCIC OPEN
110
CUTTING OUT
```
DBCIC CLOSE
BRAKE CONTROLLER EMERG
AT ZERO BACK RELEASE AND RUNNING
REV ISOL
BUTTERFLY KEY OUT
```
111
CONT TEST
ELECT CONTINUITY VIA BELL
BRAKE PIPE CONTINUOUS
ONE DBCIC OPEN
