Comeng Traction

Question 1

What are the two different braking systems?

Answer 1

Westcode Tread
Knorr Disc

Question 2

How many traction motors per bogie?

Answer 2

Two traction motors, one each axle.

Question 3

Where are spring park brakes fitted?

Answer 3

Each odd numbered wheel of a motor car
Applied by a spring released by main reservoir pressure.

Question 4

What are the three cocks above the trip/below the drivers cab?

Answer 4

Red emergency circuit cock (EC Cock)
Yellow TECHAV cock
Main reservoir to brake controller cock

Question 5

What safety apparatus is isolated when the Red EC cock is turned? (6 answers)

Answer 5

Trip
Emergency application valve
Control governor
Hand pilot valve
Anti-neutralisation device
VICERS activation valve

Question 6

What three things must be done to drive with the red EC cock isolated?

Answer 6

Foot pilot valve must be used
Control governor bypass activated
VICERS isolated