Faults - Generic Flashcards

1
Q

When would a driver contact the PD help desk?

A

-Assistance with fault finding
-PAE from a signal reverting to stop
-Train fault that impacts running of train
-driver error that affects train running

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2
Q

What part of the TMM are provided by Train Control?

A

Fault category
Fault reference number

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3
Q

What are the categories of faults? How long can a train stay in service with each type of fault?

A

Maintenance fault - 90 days
Serious fault - end of day
Critical fault - out of service ASAP

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4
Q

When is the fault warning notice used?

A

When a fault occurs that impacts a safety critical component, such as:
- bogie isolated
- air bag deflated
- lateral sway fault
- red EC/yellow TECHAV isolated in end motor
- doors isolated

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5
Q

How are FWN’s placed in the defective train?

A

Yellow copies are placed in both end motors
Copies are moved if the train is divided
Fault warning stickers are used if speed restriction is applied

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6
Q

What are the main indications that a whistle is defective/faulty? What is a general fix for each issue?

A

Sounding continuously
- rapid lever operation; isolate whistle
Not sounding
- rapid lever operation; inspect whistle cocks/circuit breakers
Tone too low
- submit TMM, can still run as normal

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7
Q

How is a train operated when a whistle fails in service?

A
  • departing from platforms; driver must check along the train after closing doors before departing, reopen doors for people approaching doors
  • travel at reduced speed; must not exceed 15km/h in yards, stations or near line side workers
  • approaching level crossing/workers; headlight high/low or hazards
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8
Q

What are the procedures for operating with faulty headlights?

A

One faulty headlight:
- no restrictions, submit TMM
Both faulty, daylight hours:
- no restrictions, but max 50km/h in MURL and tunnels
Both faulty, darkness (critical fault):
- max 50km/h between stations/crossing loops
- max 15km/h over crossings, through yards/stations
- frequent whistle usage

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9
Q

What is the procedure for a locked axle/wheel?

A
  • Max of 5km/h with skidding wheel
  • Train cannot be moved if lead wheel/axle is jammed (return to rear/rescue from lead)
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10
Q

What is the procedure for isolated bogies?

A

> 80% bogies:
- cut speed by 10km/h, minimum reduction of 60km/h
- can remain in service
50%-80% bogies:
- extreme caution
- detrain passengers, can be driven to siding
<50% bogies:
- train disabled

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