IS 12978 : 2006 /ISO 8667 : 1992 Commercial Vehicles and Buses - Cross-Tooth Gearbox Flanges - Type T

NATIONAL FOREWORD

This Indian Standard ( First Revision ) which is identical with ISO 8667:1992 ‘Commercial vehicles and buses — Cross-tooth gearbox fIanges, type T’ issued by the International Organization for Standardization ( ISO ) was adopted by -the Bureau of Indian Standards on the recommendation of the Automotive Primemovers Transmission and Steering Systems and Internal Combustion Engines Sectional Committee and approval of the Transport Engineering Division Council.

The Sectional Committee decided to align the Indian Standard with the corresponding International “Standards wherever feasible and wherever the domestic considerations were not so intense as to have standards different from the !S0 Standards. This decision was taken with a view to upgrade the quality of the products in line with the International Standards.

This standard was first published in 1990 under dual number. The first revision was undertaken due to revision to base standard ISO 8667:1986. The following technical changes were incorporated:

a) Change in designation instead of size code it is now size d,.

b) Dimensions and tolerances of the -mating parts are left to the discretion manufacturer of that component.

c) Dimensions d~ is deleted and tolerance and is changed from *0.5 to O and –1.

d) Notes given under table of earlier International Standard are deleted.