The Central Motor Vehicles Rules,1989
Section 98A. Steering gears for construction equipment vehicles
1[Steering gears for construction equipment vehicles. (l)The steering system of every construction vehicle shall be maintained in good and sound condition, with backlash not exceeding 30 degrees on the steering wheel when tested with the engine running; ball-joints connecting the steering linkage of the mechanical steering system shall be protected by rubber caps and where the connections are secured with bolts or pins, the bolts or pins shall be effectively locked; in the case of hydrostatic steering
system the moving parts shall be effectively sealed and protected from dust ingress.
(2) The steering system of the construction equipment vehicle shall be adequately designed to ensure efficient and effective control of the vehicle under all the driving conditions and shall be so constructed as to conform to the Indian Standards IS: 12222- (1987), as modified from time to time.
(3) The steering effort of the construction equipment vehicles during normal unladen operation shall not exceed 11.7 kg push/pull for hydrostatic steering system and 20 kg for manual steering wheel system when evaluated as per clauses 5.1 to 5.4 of Indian Standards IS: 11948-(1986) as specified by the Bureau of Indian Standards.]
——————–
1. Inserted by G.S.R. 642(E), dated 28-7-2000 (w.e.f. 28-7-2000).