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FAULT FINDING (Traction) > FAULT FINDING > Flashcards

FAULT FINDING Flashcards

1
Q

THE GENERAL FAULT LIGHT CAN DISPLAY DIFFERENT COMBINATIONS OF LIGHTS WHEN LIT.
DESCRIBE THE COLOURS WHEN LIT AND THEIR MEANINGS.

A

BLUE LIGHT LIT - NORMAL CONDITIONS
RED LIGHT LIT - LESS SERIOUS FAULT-INVESTIGATE AT FIRST OPPORTUNITY
RED LIGHT FLASHING - SERIOUS FAULT-STOP IMMEDIATELY,INFORM SIGNALLER, INVESTIGATE IMMEDIATELY

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2
Q

WHEN TRIPPED WHAT MCB,s WILL APPLY THE BRAKES

A

AWS & TPWS
BRAKES
DOOR CONTROL
TRAIN CONTROL

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3
Q

DESCRIBE HOW TO ISOLATE A TRAIN PASSENGER DOOR AND ANY RULE BOOK CONDITIONS THAT APPLY AFTER ISOLATION

A

USING THE CARRIAGE KEY AT THE AFFECTED DOOR, INSERT THE KEY INTO THE SLOT ABOVE THE DOOR AND MAKE A SHARP 90 DEGREE TURN. YOU SHOULD HEAR AN ESCAPE OF AIR, A LOCKING BAR APPEAR IN THE SLOT RECESS AND A “DOOR OUT OF USE” ILLUMINATED BY THE DOORS.
IF THE DOOR BEING ISOLATED IS AT THE END OF THE CARRIAGE OR THEIR ARE TWO SETS ON THE SAME SIDE OF THE SAME CARRIAGE ISOLATED, PASSENGERS SHOULD BE MOVED TO ANOTHER CARRIAGE AND THAT CARRIAGE LOCKED “OUT OF USE TO PASSENGERS”

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4
Q

LIST THE REASONS THE CANT RAIL LIGHT WOULD BE ILLUMINATED

A 
BRAKE MCB
DOOR INTERLOCK
EGRESS
FIRE
PASSCOM
TRACK CIRCUIT ACTUATOR - TCA
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5
Q

WHAT ACTIONS WOULD YOU TAKE ON HEARING THE FIRE BELL IN THE CAB

A

NOT USE EMERGENCY BRAKE
USE ENOUGH BRAKE TO STOP ASAP IN A SUITABLE LOCATION
APPLY HAZARD AND TAIL LIGHTS
EMERGENCY CALL (RED BUTTON)
CANT LIGHT WILL SHOW WHICH VEHICLE IS AFFECTED
TAKE FIRE EXTINGUISHER WITH YOU AND CHECK THAT FIRE IS OUT (PULL MANUAL HANDLE IF REQUIRED)
ISOLATE ENGINE & FIRE ALARM ON AFFECTED VEHICLE ONLY
MOVE PAX TO ANOTHER VEHICLE

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6
Q

IF A TRAIN HAS A GEARBOX PROBLEM THAT REQUIRES IT TO BE ISOLATED HOW WOULD YOU ACHIEVE IT

A

OPERATE THE GBIC ON THE AFFECTED VEHICLE

ISOLATE THE LOCAL ENGINE STOP / START BUTTON ON THE AFFECTED VEHICLE

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7
Q

LIST 4 REASONS WHY THE PASSCOM LIGHT FLASHES

A 
BRAKE CONTROL MCB
COUPLE BUTTON PRESSED ACCIDENTLY
KEY IN AT OTHER DRIVING CAB
PASSCOM ACTIVATED
TRAIN CONTROL MCB
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8
Q

IF THE BRAKE MCB WILL NOT RESET ON THE LEADING VEHICLE AND THE SIGNALLER REQUESTS YOU TO MAKE A WRONG DIRECTION MOVEMENT, IN ORDER FOR THE TRAIN TO BE TAKEN OUT OF SERVICE WHAT WOULD YOU DO AND WHAT RULE BOOK REQUIREMENTS ARE THERE?

A

ISOLATE BCIC & PBBC
IN REAR CAB ISOLATE EBS AND PASSCOM (SWITCHES 1 & 5)
COMPETENT PERSON IS REQUIRED TO RIDE IN THE REAR CAB TO OPERATE THE EPBAC IF REQUIRED IN AN EMERGENCY
PASSENGERS TO BE MOVED FROM AFFECTED VEHICLE IF PRACTICABLE
5 MPH DRIVING SPEED

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9
Q

IF YOU ARE REQUIRED TO ISOLATE THE AIR SUSPENSION DUE TO AIR LOSS FROM THE SUSPENSION BELLOWS HOW WOULD YOU DO THIS AND WHAT RULES APPLY TO TRAIN RUNNING

A

ISOLATE THE ASRIC AND THEN DRAIN THE SURGE TANKS ON THE AFFECTED VEHICLE TO LEVEL THE SUSPENSION
IF IT IS ECS LINE SPEED CAN BE MAINTAINED
IF IN PASSENGER SERVICE EITHER MOVE PASSENGERS TO ANOTHER CARRIAGE AND LOCK OUT OF USE OR REDUCE SPEED TO 45 MPH

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10
Q

WHAT IS THE NORMAL POSITION OF AN MCB

A

UP POSITION - ON

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11
Q

GIVE 6 CAUSES OF LOW MAIN PRESSURE

A 
AIR LEAK ON DOORS
AIR SUSPENSION LEAK
CAB DOOR
COMPRESSOR FAULT
FAULTY COMPRESSOR GOVERNOR
GEARBOX LEAK
HORN
MAIN RESERVOIR SYSTEM
SANDING SYSTEM
TOILET
WASH / WIPE
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12
Q

IF A DOOR CONTROL TRIPS IN THE MOS WHAT AFFECT DOES THIS HAVE ON A TRAIN TRAVELLING AT LINE SPEED

A

EMERGENCY BRAKES APPLICATION, DOORS LOST ON THAT CAR ONLY.

IF ON A LEADING VEHICLE DOORS WILL BE LOST THROUGHOUT WHOLE TRAIN

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13
Q

GIVE 7 REASONS WHY A DRIVER CANNOT OBTAIN BRAKE RELEASE

A 
BRAKE MCB
DOOR MCB
EGRESS
EMERGENCY STOP BUTTON
LOW MAIN AIR
PASSCOM
TRAIN CONTROL MCB
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14
Q

IF THE BATTERY CHARGE FAULT LIGHT ILLUMINATES WHAT MCB HAS TRIPPED AND HOW DO YOU RESET IT

A

THE GENERATOR MCB HAS TRIPPED
RESET THE GENERATOR MCB IN RELEVANT COACH
PRESS GENERAL FAULT RESET BUTTON IN THE RELEVANT COACH THAT THE GENERATOR MCB HAS TRIPPED

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15
Q

LIST THE 9 POSSIBLE REASONS WHY AN ENGINE MIGHT FAIL TO START OR STOP WHEN IN SERVICE

A 
ENGINE ISOLATED
FAULTY START / STOP BUTTON
FIRE SYSTEM ACTIVATED OR ISOLATED
FUEL STARVATION
FUEL SUPPLY ISOLATED (EFSIC)
LOCAL CONTROL MCB TRIPPED
LOW / INSUFFICIENT COOLANT
LOW OIL PRESSURE
SHORE SUPPLY MICRO-SWITCH ACTIVATED
START BATTERY FLAT
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16
Q

DURING NORMAL RUNNING YOU EXPERIENCE A PARTIAL LOSS OF POWER. WHAT COULD BE THE POSSIBLE REASON

A

FAULTY TURBO
HIGH COOLANT TEMPERATURE-CAUSES ENGINE TO IDLE
HIGH OIL TEMPERATURE-CAUSES ENGINE TO IDLE
ENGINE SHUTS DOWN

17
Q

IF THE PA COMPLETELY FAILS IN PASSENGER SERVICE ON A DOO TRAIN WILL THE TRAIN BE ABLE TO STAY IN SERVICE

A

NO

THE DRIVER WOULD NOT BE ABLE TO COMMUNICATE WITH THE PASSENGERS OR GIVE EMERGENCY INSTRUCTIONS

18
Q

IF THE ENGINE IS ISOLATED OR FAILS IN SERVICE WHAT MCB IF TRIPPED IN AN ADJACENT VEHICLE CAN POTENTIALLY AFFECT TRAIN RUNNING

A

REMOTE SUPPLY MCB

19
Q

IF A GENERATOR FAULT LIGHT IS FLASHING RED AND TRANSMISSION LIGHT IS RED WHAT COULD BE THE PROBLEM AND HOW WOULD YOU OVER COME IT

A

THE SLIDING DOG MECHANISM MAY NOT OF FULLY ENGAGED IN THE TRANSMISSION
MOVE THE DIRECTION SELECTOR FROM FORWARD TO REVERSE SEVERAL TIMES TO TRY AND FREE IT UP

20
Q

WHAT IS THE PURPOSE OF THE COMPRESSOR SPEED UP BUTTON

A

IT ALLOWS A FASTER BUILD UP OF AIR BY REVVING THE ENGINE AND THEREFORE MAKING THE COMPRESSOR WORK HARDER

21
Q

LIST WHICH MCBs IF TRIPPED CAN AFFECT PASSENGER DOORS AND IN WHAT WAY

A

DOOR SUPPLY MCB - AFFECTS SALOON BUTTONS FOR PASSENGER USE

DOOR CONTROL MCB - AFFECTS PASSENGER DOOR RELEASE FROM THE CAB

22
Q

IF YOU HAVE TO ISOLATE AWS DUE TO A FAULT HOW WOULD YOU ACHIEVE THIS AND WHAT RULEBOOK INSTRUCTIONS APPLY TO CONTINUING ON YOUR JOURNEY

A

ISOLATE BY USING THE TRACTION KEY IN THE SAFETY SYSTEMS ISOLATION PANEL- UPPER LEFT CAB WALL
LINESPEED - COMPETENT PERSON REQUIRED
40 MPH - NO COMPETENT PERSON OR IN FOG/FALLING SNOW

23
Q

ON SWITCHING A DESK ON YOU NOTICE THE TPWS FAULT LIGHT ON, WHAT COULD BE THE CAUSE AND HOW WOULD YOU RECTIFY IT

A

TRAIN COULD BE SITTING OVER TPWS GRID
WAIT FOR SIGNAL TO CLEAR-TRIP TPWS MCB AND RESET OR
GET PERMISSION TO PULL FORWARD OFF THE GRID AND RESET TPWS MCB

24
Q

IF IN PASSENGER SERVICE YOU HAVE TO ISOLATE THE TRACTION INTERLOCK SWITCH (TIS) WHAT APPROPRIATE PRECAUTIONS MUST YOU TAKE EACH TIME THE DOORS ARE RELEASED OR OPENED

A

A VISUAL INSPECTION OF THE DOORS TO ENSURE THEY ARE PROPERLY CLOSED

25
Q

IF YOU HAVE TO ISOLATE THE DRIVER SAFETY DEVICE (DSD) OR DRIVER VIGILANCE DEVICE (DVD) WHAT ARE THE RULEBOOK REQUIREMENTS TO CONTINUE IN SERVICE

A

MAX 60 MPH

UNLESS ACCOMPANIED BY A COMPETENT PERSON THEN LINESPEED

26
Q

IF YOU DISCOVER THE OTDR TO BE DEFECTIVE IN THE CAB FROM WHICH YOU ARE DRIVING WILL THE TRAIN BE ALLOWED TO STAY IN SERVICE

A

YES

PROVIDING THE OTDR IS FULLY WORKING IN THE OTHER DRIVING CAB

27
Q

WHILST IN SERVICE ON THE MAIN LINE THE WSP FAULT LIGHT ILLUMINATES AND THE SPEEDO STOPS WORKING. WHAT HAS HAPPENED AND WHAT WILL HAPPEN IF YOU BRING YOUR TRAIN TO A STAND AND PLACE THE MASTER CONTROLLER TO NEUTRAL

A

THE WSP MCB HAS TRIPPED
IF YOU PLACE THE MASTER SWITCH TO NEUTRAL THERE WILL BE AN EMERGENCY BRAKE APPLICATION WHICH CAN NOT BE RELEASED WITHOUT THE AID OF A FITTER

28
Q

IN PASSENGER SERVICE YOUR TCA FAULT LIGHT ILLUMINATES. THE PROBLEM IS ON THE LEAD VEHICLE OF A 3 CAR UNIT. WILL YOU BE ABLE TO CONTINUE IN PASSENGER SERVICE

A

YES

PROVIDING AUTHORITY CAN BE GIVEN FROM CONTROL - OTHERWISE NO

29
Q

LIST 10 ITEMS OF EQUIPMENT ON A TURBO THAT IF FAULTY WOULD HAVE TO BE REPORTED TO THE CONTROLLING SIGNALLER IMMEDIATELY

A 
AWS
TPWS
DSD
DVD
TIS
TCA - (IF TRAIN CANNOT CONTINUE NORMALLY)
WSP (IF YOU BELIEVE YOU CAN NOT STOP TRAIN)
DRAGGING BRAKES
FIRE DETECTION SYSTEM
HEADLIGHTS / TAIL LIGHTS
HORN (COMPLETE FAILURE)
LIFEGUARDS
RADIO EQUIPMENT
SANDING EQUIPMENT (IF YOU BELIEVE YOU CAN NOT STOP TRAIN)
SPEEDOMETER
30
Q

IF BOTH CONNECTING INTERNAL VESTIBULE SLIDING DOORS ARE ISOLATED ON A 2 CAR UNIT (STUCK OPEN) WILL THE TRAIN BE ALLOWED TO STAY IN SERVICE

A

NO

BECAUSE THE DOORS ALSO ACT AS A FIRE PROTECTION BARRIER BETWEEN THE CARRIAGES

31
Q

ON THE DIAGRAM LABEL THE CORRECT POSITIONS OF THE RELEVANT ISOLATION COCKS

A 
CAB DRIVERS SIDE -
CHIC
SHIC
HFSIC
AHIC
APIC
SHIC
CAB DAs SIDE -
EPBAC
HIC
WIC
PBBC
PBIC
CDIC
UCIC
ECIC
MRPCC
SHIC
MRPIC
ASRIC
CGIC
EFSIC
GBIC
TSIC
SHIC
SASIC
MRPCC

FAULT FINDING (Traction) (1 decks)

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