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Whereas the Parliament of India has set out to provide a practical regime of right to information for citizens to secure access to information under the control of public authorities, in order to promote transparency and accountability in the working of every public authority, and whereas the attached publication of the Bureau of Indian Standards is of particular interest to the public, particularly disadvantaged communities and those engaged in the pursuit of education and knowledge, the attached public safety standard is made available to promote the timely dissemination of this information in an accurate manner to the public.

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“Invent a New India Using Knowledge”

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“Step Out From the Old to the New”

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“The Right to Information, The Right to Live”

“!ान एक ऐसा खजाना > जो कभी च0राया नहB जा सकता है”Bhartṛhari—Nītiśatakam

“Knowledge is such a treasure which cannot be stolen”

“Invent a New India Using Knowledge”

है”ह”ह

IS 13941 (1994): Automotive vehicles - Wheel fasteners andhub caps - General requirements [TED 6: Automotive Body,Chassis, Accessories and Garage Equipments]

Indian Standard

.AUTOMOTIVEVEHICLES -WHEEL FASTENERS ANDHUBCAPS-GENERAL

REQUIREMENTS

UDC 629’11’012’6 : 621’882’3

@ BIS 1994

BUREAU OF INDIAN STANDARDS MANAK BHAVAN, 9 BAHADUR SHAH ZAFAR MARG I

NEW DELHI 110002

February 1994 Price Group 1

Automotive Body and Chassis Sectional Committee, TED 6

FOREWORD

This Indian Standard was adopted by the Bureau of Indian Standards, after the draft finalized by the Automotive Body and Chassis Sectional Committee had been approved by the Transport Engineering Division Council.

This Indian Standard is based on Safety Standard ( SS 4 ) ‘Wheel nuts, wheel discs and hub caps“ issued by Automotive Research Association of India ( ARAI ), Pune.

-The Committee Composition responsible for the preparation of this standard is given in Annex A.

In reporting the results of a test or analysis made in accordance with this standard, if the final value, observed or calculated, is to be rounded off, it shall be done in accordance with IS 2 : 196@ ‘Rules for rounding off numerical values (revised )‘.

IS 13941 : 1994

Indian Standard

AUTOMOTIVEVEHICLES-WHEELFASTENERS ANDHUBCAPS-GENERAL

REQUIREMENTS 1 SCOPE

1.1 This standard specifies the general require- ments for fasteners and hub caps used in cars, light and heavy passenger and commercial vehicles.

1.2 This standard precludes the use of such wheel fasteners and hub caps that constitute a hazard to pedestrians, cyclists and other road users.

2 GENERAL REQUIREMENTS

2.1 Wheel Fasteners

Wheel fasteners shall be made of any suitable material such that when the nut is fully tightened and loosened on the threaded stud with a maximum torque value 30 percent in

excess of the manufacturers’ recommendations, for 20 times, shall not show any sign of crack, fracture or breakage.

2.2 Hub Caps

2.2.1 Hub caps shall be free from any manufacturing defects such as sharp edges, cracks, etc.

2.2.2 Hub cap, where provided, shall fit securely on the wheel hubs, so as not to get detached during motion of the vehicle.

2.2.3 It shall not be possible to remove the hub cap without application of force.

2.3 The wheel fasteners and hub caps shall not exhibit any fin shaped projections.

I

9s 13941 : 1994

ANNEX A

( Fore1vord )

COMMITTEE COMPOSITION

Automotive Body and Chassis Sectional Committee, TED 6

Chairman Representing

BRIG S. R. PURANIK ( RBTD ) Automotive Research Association of India, Pune

Members

SHRI P. N. RANGAN ( Alternate to Brin S. R. Puranik 1

SHRI ALI~EZA $I_ ALLADIN SHRI N. S. BABU

SHRI D. P. RAY ( Alternate ) SHRI M. BALAKRISHANAN SHRI S. R. TAPADE

SHRI S. KUMAR ( Alternate ) SHRI J. R. BILGI

SHRI R. M. KANITKAR ( Alternate ) SHRI S. K. CHAKRABORTY SHRI RAMESH DHAR DIRECTOR ( MOTIVE POWER ) SHRI HARJIT SINGH

SHRI J. S. SHAR~~A ( Alternate ) .SHRI K. C. JAIN

SHRI RAJU AGGARWAL ( Alternate ) SHRI HARNAM SINGH SHRI S. S. KAPASHI SHRI S. S. KHADRI

SHRI M. KRISHNA REDDY ( Alternate ) DR K. KUMAR

SHRI D. N. DAVE ( Alternate ) SHRI S. K. CHAKRABORTY SHRI C. RANGASWAMY

SHRI K. JAGENNATHAN ( Alternate ) ‘SHRI S. N. SRINIVASSAN

Press Metal Corporation Ltd, Bombay Tata Engineering and Locomotive Co Ltd, Pune

Thiruvalluvar Transport Corporation, Madras Central Institute of Road Transport, Pune

Bajaj Tempo Ltd, Pune

Controllerate of Inspection ( Vehicles ), Ahmednagar DCM Toyota Ltd, New Delhi Research, Designs and Standards Organization, Lucknow HMT Ltd, Pinjore

Escorts Ltd, Faridabad

Vehicle Factory, Jabalpur Ruby Coach Builders Pvt Ltd, Bombay Andbra Pradesh State Road Transport Corporation, Hyderabad

Maruti Udyog Ltd, Gurgaon

Controllerate of Inspection ( Vehicles ), Ahmednagar Cheran Engineering Corporation Ltd, Coimbatore

Premier Automobiles Ltd, Bombay

Ashok Leyland Ltd, Madras SHRI K. D. PAL ( Alternate )

SHRI M. SUBRAMANIAM SHRI L. SRINIVASVAMADHAVAN ( Alternate )

SHRI B. V. SURESH SHRI S. MADHAVA RAO (Alternate )

SHRI N. S. VIJAYARAGHAVAN, Director ( TED )

Hyderabad Allywn Ltd, Hyderabad

Director General, BLS ( Ex-officio Member)

Secretary

SHRI T. M. MAIUMDER Director (TED ), BIS

2

Bureau of Indian Standards

BIS is a statutory institution established under the Bureau of Indian Standards _4ct, 1986 to promote harmonious development of the activities of standardization, marking and quality certification of goods and attending to connected matters in the country.

Copyright

BIS has a copyright of all its publications. No part of these publications may be reproduced in any form without the prior permission in writing of BIS. This does not preclude the free use, in the course of implementing the standard, of necessary details, such as symbols and sizes, type or grade designations. Enquiries relating to copyright be addressed to the Director ( Publications ), BIS.

Review of Indian Standards

Amendments are issued to standards as the need arises on the basis of comments. Standards are also reviewed periodically; a standard along with amendments is reaffirmed when such a review indicates that no changes are needed; if the review indicates that changes are needed, it is taken up for revision. Users of Indian StanQ,rds should ascertain that they are in possession of the latest amendments or edition by referring to the latest issue of ‘BIS Handbook’ and ‘Standards Monthly Addition’.

This Indian Standard has been developed from Dot : 4k

ED 6 ( 151 )

Amendments Issued Since Publication

Amend No. Date of Issue Text Affected

BUREAU OF INDIAN STANDARDS

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