Document ID: chunk:federal_register_of_legislation:F2021C00433:body:0:p22
Version: federal_register_of_legislation:F2021C00433
Segment Type: other
Provision Reference: 
Character Range: 64685–70339

40                     1.80
8.         Laden Partial Failure Test                      MB,MC,MD,ME       60                     2.10
                                                           NA,LEG            70                     2.00                                    M             N               See Text
                                                           NB                50                     1.85
                                                           NC                40                     1.80
9.         Service Brake Fade                              All               See Text               See Text                                 M             D              See Text
10.        Service Brake Fade Effectiveness Check          MB,MC,MD,ME       60                     3.02
                                                           NA,LEG            70                     2.84                                    M             N               685
                                                           NB                50                     2.63
                                                           NC                40                     2.47

Item No.*  Tests and Procedures                                                        Vehicle Category   Initial Speed (km/h)  Minimum 'Average Deceleration ' (m/s2)  Vehicle Mass   Gear Selector   Maximum 'Control' Force (N)
11.        Parking Brake Test                                                                 All               __                     __                                      M             N               590(hand)
                                                                                                                                                                                                             685(foot)
12.        Service Brake Actuating Time Test                                                  See Text          N.A.                   N.A.                                    N.A.          N.A.            See Text
13.        Service Brake Compatibility Test                                                   See Text          60              See Text                                       See           N               685
                                                                                                                                                                               Text
*           Item No. also corresponds to sub-clause number of clause 7.
"M"         means  'Maximum Loaded Test Mass 35/...'  .
"L"         means  'Lightly Loaded Test Mass 35/...'  .
"D"         means transmission control in "drive" position appropriate to test speed.
"N"         means transmission control in "neutral" position
"R"         means transmission control in "reverse" position
"N.A"       means not applicable

        TABLE 2
        GROUP 'AXLE LOAD' LIMITS

        Number of 'Axles'          Tyre Type "a" and                  Group 'Axle Load'
         in 'Axle Group'           Configuration                      Limit (tonnes)
        1
                                   S                                  6.0
                                   D                                  9.0
                                   W1                                 6.7
                                   W2                                 7.0
                                   D                                  10.0 (RFS)
        2
                                   S S                                11.0
                                   S D                                13.0
                                   W 1 W 1                            13.3
                                   D D                                16.5
                                   W2 W 2                             14
                                   DD                                 17.0 (RFS)
        3
                                   S S S                              15
                                   D D D                              20.0
                                   W1 W 1 W 1 or W 2 W 2 W 2          20.0
                                   DDD                                22.5 (RFS)

         Tyre Type "a":

         S Single tyre per wheel

         D Dual tyres per wheel

         W 1  ' Wide Single Tyre'  (375 to 450 mm width)

         W 2  ' Wide Single Tyre'  (over 450 mm width)

         RFS 'Road Friendly Suspension'

       TABLE 3
       CONSTANTS FOR DETERMINING AVERAGE DECELERATION

TEST                                CATEGORY         K 1        K 2
Service Brake Effectiveness Tests   MB, MC, MD, ME   1.0       130
LEG, NA, NB, NC                     1.0              115
Secondary Brake Tests               MB, MC, MD, ME   1.0        65
LEG, NA, NB, NC                     1.67             115
Fade Effectiveness Test              MB, MC, MD, ME  1.25      130
Effectiveness Checks                LEG, NA, NB, NC  1.25      115

    Note: The relationship required by the diagram shall apply progressively for the intermediate states of loading between the maximum mass tested (Figure 1) and the 'LLTM' (Figure 2) states and shall be achieved by automatic means.
APPENDIX 1

       Special Provisions for vehicles incorporating an 'Antilock System'.

       1.1    At speeds exceeding 15 km/h, the wheels on at least one axle in each axle group must remain unlocked when a 'Control' force of 685 N is suddenly applied on the 'Control' or in the case of a 'Control' which solely modulates 'Stored Energy', full stroke of the