Page 490 - The Central Motor Vehicles Rules, 1989

462 THE CENTRAL MOTOR VEHICLES RULES, 1989 RULE 190

(4) All equipments shall be able to operate in the following environmental
conditions, namely:—
(i) temperature range 0˚C to 55˚C;
(ii) humidity up to 95%;
(iii) dust: Typical Indian testing condition.
(5) The equipment used at an automated testing station shall comply with the
following specifications as given in the Table-F below:—
1
[TABLE-F
Sl. Equipment Technical Specification
No.
Light Commercial Vehicles Medium and Heavy Commercial
Vehicles
(1) (2) (3) (4)
1 Roller brake (a) Maximum measurable brake (a) Maximum measurable brake
load is at least of 6kN load is at least of 40 kN.
tester
(b) Difference in left and right (b) Difference in left and right
braking efficiency braking efficiency
(c) Brake load resolution <=100N (c) Brake load resolution £ 100N
(d) Suitable roller diameter, (d) Suitable roller diameter,
length and separation as per the length and separation as per the
Matrix given in sub-rule (7) of Matrix given in sub-rule (7) of
this rule this rule
(e) Provision for either lifting or (e) Provision for lifting and
braking of roller for easy exit of braking of roller for easy exit of
vehicle vehicle
(f) Approximate Testing speed: 5 (f) Approximate Testing speed:
km/h ± 1 km/h minimum 2.5 km/h
(g) Roller surface (g) Roller surface
(i) Minimum frictional coefficient (i) Minimum frictional coefficient
0.6 (Supporting documents from 0.6 (Supporting documents from
Internationally certified agencies Internationally certified agencies
or NABL accredited labs in India or NABL accredited labs in India
for confirmation of minimum for confirmation of minimum
frictional coefficient of roller frictional coefficient of roller
surface need to be provided). surface need to be provided).
(ii) Service life: Minimum 25000 (ii) Service life: Minimum 25000
hrs (Self-declaration from OEM hrs (Self-declaration from OEM
specifying required useful life of specifying required useful life of
rollers without any damage need rollers without any damage need
to be provided) to be provided)
(h) Measurement accuracy: (h) Measurement accuracy:
within ± 100N within ±2% of the measured
value

1 Substituted vide GSR 797(E), dt. 31-10-2022, w.e.f. 1-11-2022.