Hot Axle Boxes Locked Wheels, Wheel Flats, Dragging Brakes, Brake Defects

Question 1

Brake no longer operating on the leading vehicle of a multiple unit train the SC must travel in other than the leading vehicle to secure the train in an emergency unless:

Answer 1

The train is being assisted from the front

The leading vehicle is coupled by a bar coupling to the next vehicle on which the brake is operating.

Question 2

Describe your actions if you become aware that a vehicle has developed a hot axle box on a train in service?

Answer 2

Stop the train immediately
Tell the signaller
Not move the train until instructed to do so
Carry out instructions given

Question 3

What time scale is given to carry out any hot axle examination?

Answer 3

Within 10 minutes of stopping

Question 4

How do you check for evidence of over heating?

Answer 4

Place back of your hand as near as possible to the top of the axle box.

Question 5

If the axle box does not appear to be hot, what must you now check?

Answer 5

All axle Boxes on both sides of the vehicle concerned

Report findings to the signaller

Question 6

What is the maximum speed of a train with a confirmed hot axle?

Answer 6

10mph

5 mph over any points and crossings

Question 7

What procedure must be carried out after free locked wheels or Dragging brakes?

Answer 7

Rotational test

Question 8

What restriction applies if a train with five vehicles has the brakes isolated on an intermediate vehicle?

Answer 8

Must not enter service from depot.
Other than depot
10mph below the permitted line speed but not less than 35mph
At least 5 vehicles
Rigid bar couplers
Automatic brake operating on front and last vehicles

Question 9

What are the instructions for passengers travelling in a vehicle with isolated brakes?

Answer 9

Passengers must relocate (if possible) to a vehicle where brakes are operating unless the vehicle is coupled by a bar coupling to the next vehicle on which the brake is operating