Traction Handbook Braking Instructions: General Information & Operating Insructions.


STATIC BRAKE TEST;

A Static brake test must be carried out in the following cirumstances;

- A complete train preparation.
- A Safety Check.
- After a Defect or irregularity in the operation of the brakes has been cured.

You must carry out the following procedure;

1.1 - Check the main air reservoir pressure; a minimum of 6.0 bar. 
1.2 - Move the direction selector switch to forward, then to netural.
1.3 - Carry out AWS test if needed.
1.4 - Brake controller to emergency (see legend for brake pressure)
1.5 - Brake controller to step 3 position/full service, reset the vigilance device (DVD, where fitted)

1.6 - Brake pressure registers same reading.
1.7 - Brake controller to step 2 position.
1.8 - Brake pressure falls and maintains step 2 brake cylinder pressure.
1.9 - Brake controller to step 1 position
1.10 - Brake pressure falls and maintains brake cylinder pressure.

1.11 - Brake controller to release momentarily and return to step 1, ensure the train does NOT move.
1.12 - Brake reading responds to a step one brake pressure for the appropriate unit. 
1.13 - Return brake controller to step 3 position. 

Complete.


RUNNING BRAKE TEST;

A running brake test must be carried out in the following cirumstances;

- After departing for the first time in a unit.
- After changing ends.

You must carry out the following procedure;

1.1 - Power controller to notch 0/netural.
1.2 - Brake controller to step 2 and pause. (check readings)
1.3 - Brake controller to step 3 and pause. (check readings)
1.4 - Brake controller to step 1 and pause. (check readings)
1.5 - Brake controller to release and continue driving.


REGISTERED BRAKE READING SPECIFICATION (MEASURED IN BAR UNITS)

BRAKE STEP      CLASS 142      CLASS 144

STEP 1         0.9 TO 1.2    0.95 TO 1.35
STEP 2         2.1 TO 2.45    2.2 TO 2.7
STEP 3         3.2 TO 3.6    3.35 TO 3.9
EMERGENCY      3.2 TO 3.6    3.35 TO 3.9


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BVE use only, not for real world. 
BVE Railnetwork (c) 2007.
