TFNSW Brake Testing Requirement – Brake Assessment Manual 3

Testing Undertaken using the criteria taken from the Brake Assessment manual in accordance to the modifications undertaken. 

• Type H: – Spike stops and/or Fatigue Assessment (Two “2” Test runs per test condition)
Test Criteria – The vehicle is brought to a stop after the momentary wheel lock as quickly as
possible and without further locking of the wheels.
– Brakes to be less than 100ºC prior to the start of the test and the temperature of the front and rear
. brakes are within 5ºC of each other.
– Test speed of 55 km/h.

• Type O: Engine disconnected (Three “3” Test runs per test condition)
Test Criteria – MFDD of a least 6.43m/sec², Brake Pedal force 65N – 500N,
80k m/h & 100 km/h, stopping distance 46.4m & 70m respectively.
– Stabilisation of test speed at 60 km/h (83.3m) prior test
– Stabilisation of test speed at 80 km/h (111.1m) prior test
– Stabilisation of test speed at 100 km/h (138.8m) prior test

• Type K: Heating Procedure, Engine disconnected (One “1” Test run per test condition)
Test Criteria – Brake control to attain a mean deceleration of 3m/sec², test to be repeated 15
times. Brake Pedal force to attain a mean average of 3 m/sec² on all tests.
– Test speed at 80 km/h to 40km/h with 45 secs between the start of each braking cycle.

• Test L: Type-I Hot performance, Engine disconnected
[Based on: ADR 31/01, Appendix A, Annex 3, Clause 1.5.2.] This test is intended to check the performance of the brakes when hot.
The following general conditions apply:
– ADR-vehicles in Modification Category 16 shall be tested at 100 km/h
– vehicles in Modification Categories 17, 26 & 27 shall be tested at the lesser of 80% of
their maximum speed or 100 km/h

• Test M: Type-I Recovery procedure
[Based on: ADR 31/01, Appendix A, Annex 3, Clause 1.5.3.] This test is intended to check the performance of the brakes when hot.
This test shall take place immediately after Test L (Type-I Hot performance). The vehicle
shall be stopped four stops from 50 km/h with the engine connected, at a mean deceleration
of 3 m/s2

• Test N: Type-I Recovery performance
[Based on: ADR 31/01, Appendix A, Annex 3, Clause 1.5.4.] This test is intended to check the performance of the brakes when hot.
The following general conditions apply:
– ADR vehicles in Modification Category 16 shall be tested at 100 km/h
– vehicles in Modification Categories 17, 26 & 27 shall be tested at the lesser of 80% of
their maximum speed or 100 km/h
– vehicles in all other modifications categories shall be tested at 80 km/h