Page 479 - The Central Motor Vehicles Rules, 1989
P. 479

RULE 189        THE CENTRAL MOTOR VEHICLES RULES, 1989               451

                                                                                      (2) Functional test
                                                                                      requirements for service
                                                                                      brakes: Braking
                                                                                      efficiency measured on
                                                                                      roller brake tester
                                                                                      should be at least
                                                                                      27.23%.
                                  (13) Steering Gear  Yes    Yes   Functional rule 98  Functional test
                                                                                      requirements:
                                                                                      Back-lash/Free play in
                                                                                      steering gear shall not
                                                                                      be more than 30 degrees.
                                  (14) Side Slip Test  Yes   No    Functional As per
                                      (This test                            specification
                                      applies to all
                                      categories of
                                      vehicles
                                      except
                                      3-wheelers)
                                  (15) Suspension    Yes     No    Functional   —     Functional test
                                      Test                                            requirements:
                                      (Applicable                                     No significant
                                      for vehicles                                    difference between
                                      having GVW                                      suspension system
                                      upto 3.5 ton                                    efficiency of left and
                                      excluding                                       right side of vehicle.
                                      3-wheelers)
                                  (16) Joint Play Test  No   Yes   Visual and   —     Visual inspection
                                                                   Functional         parameters:
                                                                                      (A) Suspension system:
                                                                                      (i) Ensure secured
                                                                                      attachment of springs
                                                                                      and shock absorbers to
                                                                                      chassis or axle;
                                                                                      (ii) Springs shall not be
                                                                                      damaged or fractured;
                                                                                      (iii) Shock absorber
                                                                                      dampers shall not have
                                                                                      any oil leakage;
                                                                                      (iv) Excessive wear
                                                                                      shall not happen in
                                                                                      swivel pin or bushes or
                                                                                      at suspension joints;
                                                                                      (v) In case of Air
                                                                                      suspension, ensure no
                                                                                      audible system leakage
                                                                                      (B) Axle:
                                                                                      (i) Secured fixing to the
                                                                                      vehicle;
                                                                                      (ii) Axle shall not be
                                                                                      fractured or deformed;
                                                                                      (iii) Excessive wear
                                                                                      shall not happen in the
                                                                                      swivel pin or bushes.
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