traction/DTM test

Question 1

how would you approach a unit?
(full prep)

Answer 1

no none multi stickers
no shore supply plugged in
no ‘not to be moved’ boards in window

Question 2

how would you enter a unit that had no main air on a 150

Answer 2

due to the crew doors being slam doors, use a T-key (it doesn’t need air) - 150/1

the crew doors are air powered so you would operate the butterfly emptying the air and manually open it - 150/2

Question 3

what initial checks would you be making when you first enter the cab?

Answer 3

check repair book
parking brake isolation cock (not isolated)
circuit brake not tripped
DRA set
seals in tact
150/2 - gangway door is locked & shut

Question 4

what is the purpose of the pre-heat button?

Answer 4

to heat the jacket around the engine which in term will heat up the fuel

Question 5

when the engines have started, what should you check for in the driving cab?

Answer 5

air pressure is building

Question 6

what are your actions if the main res doesn’t build up?

Answer 6

compressor speed up and check parking brake.

Question 7

upon re-entry to the cab what are you going to do this time?

Answer 7

check horn, wipers, gsmr test button then do a door test.

Question 8

how long do the engines run for after taking a key out?

Answer 8

5-15 mins

Question 9

what coupler is fitted to 150’s

Answer 9

BSI

Question 10

what is the minimum air pressure for coupling?

Answer 10

5.4 minimum so maps isn’t activated

Question 11

what would you check before coupling?

Answer 11

no TPWS grids under where train will be, no big dips or gradients, no non multi stickers or bag over coupler.
electrical box covers are up

Question 12

what is the disposal prededure?

Answer 12

get 10 minutes to dispose of train, must leave it in step 3 , put DRA on, turn all internal lights out and applicable external ones on. any repairs take the slip to dsm to be faxed.

Question 13

you put key in and AWS fails to sound what is the problem?

Answer 13

could be tripped CB or isolated

Question 14

when pressing the engine start button it fails to turn what could cause this?

Answer 14

loss of fire integrity
starter battery isolated of dead
engine isolated
local control CB tripped
direction selector not in neutral

Question 15

what action what you take if the starter motor continues to turn after engine has started? what could cause this fault

Answer 15

shut engine down and probably a faulty starter motor

Question 16

what would prevent unit from main air res pressure ? how to fix?

Answer 16

leak, isolate main res IC

Question 17

what does it mean if there’s an engine stop light but the engine is still running?

Answer 17

alternator being faulty

Question 18

name equipment that would prevent you from taking brake on TW4?

Answer 18

FILL IN BLANK

Question 19

if the AWS sound will not cancel what will be the cause? and solution ?

Answer 19

parked over a grid, temp isolate and move train

Question 20

one or more engines revert to idle what are the possible causes of this and what actions?

Answer 20

hydrostatic oil low making engine overheat and revert to idle?

Question 21

under normal running conditions the battery charge negative fuse has blown or control fuse has blown (positive fuse) - what will happen now and how will you rectify it?

Answer 21

brake application will require assistance and will have to retract electrical connections on bsi coupler to avoid fault transferal

Question 22

if you attempt to shut engines down from cab and they won’t stop why is this and how to fix?

Answer 22

could be start stop button is broke so will have to isolate engine, possible done by tripping LCCB but can go outside and do it, isolate fuel IC

Question 23

name all IC in driving cab?

Answer 23

heater IC
wipers
horn
parking brake

Question 24

where would you isolate brakes on 150?

Answer 24

it’s next to the BCU on the drivers side

Question 25

if your losing air what could be the cause and how rectify ?

Answer 25

isolate relevant IC

Question 26

on prep you find out there is no lights working what’s most likely cause?

Answer 26

MCB has tripped, aux battery isolated or dead

Question 27

on prep you find the engine stop light out and the engines shut down when energizing desk what’s the likely causes what are actions ?

Answer 27

engine could be isolated, train control cb could be tripped or flat battery or isolated battery

Question 28

if you have positive negative battery charges what happens?

Answer 28

brake application on all vehicles can’t move need assistance

Question 29

which conditions can cause gearbox fault lights ?

Answer 29

TCA MCB tripped

Question 30

if speedo starts to fluctuate what causes this and what actions take?

Answer 30

wheel slipping, let WSP do it job but if not put into emergency

Question 31

how would you rectify a door that’s stuck open?

Answer 31

on a 150/2 use Egress handle to drain air out and push shut door then manually lock it if 150/1 and not on a EEG door then must drain DRIC using shrader hose to get air out of all doors then go round manually lock all doors

Question 32

how would you notice a leak on air suspension

Answer 32

noise and train leaning

Question 33

what would you do if found any equipment isolated before setting off

Answer 33

speak to maintenance

Question 34

what are the possibility’s of setting off with not having set the drivers seat correctly

Answer 34

could become distracted

Question 35

what should you do if found not to be moved board or stop board ?

Answer 35

check who put it there and if they’re done with what they’re doing

Question 36

what are you to check before making any shunting moves ?

Answer 36

check with signaller or DP/shunted etc depending on where you are

Question 37

which driving cab must be driven from and what are the exceptions?

Answer 37

driving from leading can always apart from 2 exceptions ?????? find out reminder

Question 38

what would you do if propelling on depot and agreed comms failed?

Answer 38

come to a stop

Question 39

depot protection??

Answer 39

derailers pos lights fouling points audible warning in shed

Question 40

what would you do if aware of unusual noise?

Answer 40

come to a stop investigate

Question 41

position lights meaning on depot

Answer 41

proceed at caution only as far as the next signal

Question 42

found you’ve left your unit foul what do you do?

Answer 42

let DP or signaller know