165

Question 1

List 4 things that would prevent an engine from being started.

Answer 1

Engine isolated, 
Fire system isolated, 
Fire Bottle connections, 
Local Control CB tripped, 
Flat batteries, 
Water Pump test switch at “Test”, 
Shore supply attached 
Local engine stop button stuck in

Question 2

An individual engine will crank, but not fire. List 3 possible causes?

Answer 2

Fuel starvation, 
EFSIC isolated, 
Low oil pressure, 
Low water level, 
Air drain cock open near engine stop cylinder.

Question 3

5. An individual engine stops. There is no brake application. List 5 possible causes?

Answer 3

Fuel starvation, 
EFSIC isolated, 
Low oil pressure, 
Low water level, 
Fire system has activated, 
Automatic timed shut down with key out, 
Local Control CB Tripped.

Question 4

6. You notice a partial loss of power at all speeds. List 3 possible causes?

Answer 4

Local Control tripped on another car,
High water temperature,
High transmission Oil temperature.

Question 5

You notice a total loss of power with an unsolicited brake application. List 5 causes?

Answer 5

Passcom / Egress operated, 
Defective AWS,DSD,DVD, 
Train Control CB tripped, 
Brake Control CB tripped, 
Low main air pressure, 
Defective low main air governor.

Question 6

Main Reservoir Air pressure starts to fall whilst moving, leading to a brake application.
Once the train has come to a stand what action would you take in the cab, and why?

Answer 6

F & R to Neutral.

To check whether the air leak is on a gearbox, or elsewhere.

Question 7

9. The fault is traced to a burst air suspension bag. Detail the procedure for dealing with this fault.

Answer 7

Isolate ASRIC on affected coach, Drain surge tanks on affected Car, Maximum speed 45mph when in passenger service, Normal speed ECS.

Question 8

List 8 causes of a failure to obtain Brake Release.

Answer 8

Low main air, 
Defective main air governor, 
CPBC in emergency in another cab, 
Defective AWS, DSD, DVD, 
Passcom or Egress operated, 
Brake control CB tripped,
Train Control CB tripped, 
FIP CB tripped, 
Couple / Uncouple button stuck “In”,
Coupler micro switch, 
EBS in another cab, 
Compressor Speed Up switch “on”.

Question 9

A Parking Brake is found to be dragging, and you have full Main air pressure available. What cock would you use to overcome this problem, and where is it?

Answer 9

Parking Brake By-Pass cock. Under Secondmans side desk or at the end of the middle coach, No1 end.

Question 10

You experience severe wheelslide under braking conditions. What action would you take.

Answer 10

Move CPBC to step 3 or emergency. Sand will be applied automatically when WSP Activity is detected.

Question 11

13. List 2 MCB’s that could affect normal door operation?

Answer 11

Door Control CB,

Door Supply CB.

Question 12

What is the effect of the Door Control CB Tripping?

Answer 12

Emergency brake application.
Door interlock light red
Cantrail light lit on affected car.

Question 13

Explain the procedure for Coupling two units together.

Answer 13

Both sets must be electrically live. 
External Doors closed - both units. 
CPBC on stabled unit in step 3 and no key in desk. 
Move unit to 6 feet, 
2 feet then contact, 
tug test. 
Press Couple Button for 5 seconds. 
Carry out brake function test.

Question 14

Explain the procedure for Uncoupling two units.

Answer 14

Press the uncouple button for Approximately 5 seconds.
Move the F and R switch to R and move the unit back no more than Two feet from the stabled unit.
Move the F and R back to Neutral and place the CPBC to Full service. Check units have uncoupled correctly.

Question 15

In a logical sequence, list the items that you would check during a full preparation of a Class 165 DMU in the DRIVING CAB:

Answer 15

Enter cab on the D/A side & examine repair book ensuring any defects are signed off.
Examine detonator case & ensure there is ten detonators, one red flag / stick & both seals to the case are intact.
Ensure there are two track circuit clips in the holder.
Examine the one cab fire extinguisher & ensure the gauge is in the green, the seal is intact & the nozzle is in place.
Visually check Emergency Light Stick (Snap Wand) holder seal is intact.
Visually check all MCB’s are in the up position.
Visually check glass seals are intact for DRA, Brake Sander, TCA isolation switches. Also the plastic seal on the TPWS temporary isolation switch is in place & intact.
Ensure the power / brake controller is in step three & using the master key unlock & move the direction selector switch to neutral.
Cancel the AWS using the reset button & observe the three lights on the TPWS control unit panel go out & the horn is silenced.
Visually check that no train safety system is isolated on the isolation panel.
Using the head / tail marker light switch check that all lights on the front of the unit work in night, day, marker & tail light position & check hazard lights work. Leave the switch in the tail light position.
Press the engine start & visually observe the red light goes out. (Note: the speedo may flicker).
Leave the cab from the D/A side, close cab door & walk to the front of the vehicle.

Question 16

In a logical sequence, list the items that you would check during a full preparation of a Class 165 DMU in the PASSENGER AREAS:

Answer 16

Proceed into the coach ensuring the cab door Is closed behind.
Walk through the coach observing all windows are shut, all seat covers are in place.
Remove fire extinguisher cover & ensure seals are intact & the fire bottle pressure gauge is in the green. Replace the cover.
Check all egress glasses above the doors & all emergency cupboards glasses are also intact.
Visually check toilet.
Open MCB cupboard in the middle vehicle (MOS only) & ensure all MCB’s are “up”. Press the fault test button & ensure the blue lights are li Note: Parking brake light will not be illuminated if desk shut down.
Open all external passenger doors while walking through the unit.
Visually check emergency hammer is located in the holder in 1st class.
Enter the front cab.

Question 17

19. In a logical sequence, list the items that you would check during a full preparation of the exterior of a Class 165 DMU:

Answer 17

Visually check BSI coupler for signs of damage particularly the electrical connection box cover.
17. Ensure the micro switch behind the coupling arm Is working by operating the lever & listen to the switch clicking on & off.
18. Ensure the rubber seal on the coupler air connection at the front is in place & secure.
Walk around unit clockwise starting from the D/A side
Rear Vehicle
19. Visually check Main Reservoir Pipe Coupling Cock located under the D/A side steps is in line with the pipe.
20. Physically check the air suspension bag is inflated on the No1 bogie
21. Visually examine the bogie for any loose or detached items.
22. Visually check the air suspension drain cock is in line with the pipe. (Surge tank).
23. Visually check the sight glass on the fuel tank & report if fuel level is low.
24. Ensure fuel tank filler caps are secure & no leaks evident.
25. Visually check all Saloon Heating Isolation Cocks are in line with the pipes.
26. Visually check the cover of the WSP cabinet (165 only) is secure & the two chains are fastened correctly to the hooks.
27. Visually check the Battery isolation switch is in the On position.
28. Visually check battery box covers are locked & secure.
29. Visually check the battery charge socket micro switch lever is down.
30. Visually check the brake module cover is secure & the two chains either side are fastened correctly to the hooks.
31. Visually check all air isolation cocks on the brake frame (Xmas tree) are i line with the valves & not pointing outwards. Ensure BSRIC red seal is intact.
32. Visually check the air test point cover which Is located below the isolation cocks is secure.
Visually check both the serck tank oil level & coolant sight glass levels & report any low.
4. Visually examine the engine for anything loose or leaking.
5. Visually check the manual fire pull cover is intact & secure.
6. Operate the emergency door release handle & ensure the doors open. Check cantrail lights Is illuminated on vehicle. Reset the handle.
7. Visually check the Traction Circuit Control Box cover is secure (166 only) & the two chains are fastened correctly.
8. Visually check the transmission oil level is between full & add mark.
9. Visually check isolation cocks DSIC, GBIC, SASIC & TSIC (where fitted)
are in line with the pipes.
0. Visually check sand pipes are intact & secured to the brackets on the bogie.
1. Repeat items 20, 21 & 22 for No 2 bogie.
2. If a DMOCL visually check no lights are illuminated for the toilet retention
tank
3. Visually check Main Reservoir Pipe Coupling Cock is in line with the pipe.
4. Visually examine electrical jumpers at the end of the coach ensuring they are plugged in & all fastenings are secured correctly.
Middle/Front Vehicles
5. Repeat items 19 to 44 where applicable.
6. Visually check the manual fire bottle isolation pin Is not fitted in the fire
bottle firing head.
7. Check engine oil & coolant levels.
8. Visually check Parking brake isolation & Parking brake by-pass cocks on the middle Vehicle No1 end are in line with the pipes.
9. Using the outside egress handle ensure the drivers cab door opens.
0. Press the close button for the cab door & ensure It closes. (DMOS & DMOCL only)

Question 18

1. The engines are running and you have brake release. List 3 reasons why you may not be able to gain traction power.

Answer 18

DRA Set,
Not in direction,
Door interlock “Red” or “blank”