UNITED

NATIONS

Distr.	GENERAL

TRANS/WP.29/619	15 May 1998

ENGLISH

Original:	ENGLISH

and FRENCH

INLAND TRANSPORT COMMITTEE

Working Party on the Construction of Vehicles

DRAFT SUPPLEMENT 9 TO THE 02 SERIES OF AMENDMENTS

TO REGULATION No. 30

(Pneumatic tyres)

Note: The text reproduced below was adopted by the Administrative Committee (AC.1) of the amended 1958 Agreement at its eighth session, following the recommendation by the Working Party at its one-hundred-and-fourteenth session. It is based on document TRANS/WP.29/1998/4, not amended (TRANS/WP.29/609, paras. 65 and 116).

GE.98-

Insert a new paragraph 2.10.1., to read:

"2.10.1.	However, in case of tyres identified by the "tyre to rim fitment configuration" (see para. 3.1.10.), symbol "A", means the area of the tyre which is seating on the rim."

Insert new paragraphs 2.17.2. to 2.17.2.5., to read:

"2.17.2.	In case of tyres identified by the "tyre to rim fitment configuration" (see para. 3.1.10.), symbol "A", a designation showing the information as per the following example

(185-560 R 400A):

2.17.2.1.	the nominal section width expressed in mm (e.g. 185);

2.17.2.2.	the outer diameter expressed in mm (e.g. 560);

2.17.2.3.	the indication of the structure as per paragraph 3.1.3. (e.g. R);

2.17.2.4.	the nominal diameter of the rim expressed in mm (e.g. 400);

2.17.2.5.	the "tyre to rim fitment configuration" (see para. 3.1.10.) (e.g. symbol "A")."

Insert a new paragraph 3.4.1., to read:

"3.4.1.	However, for tyres identified by the "tyre to rim fitment configuration" (see para. 3.1.10.), symbol "A", the markings may be placed anywhere on the outside sidewall of the tyre."

Insert a new paragraph 6.1.1.3., to read:

"6.1.1.3.	However, for tyres identified by the "tyre to rim fitment configuration" (see para. 3.1.10.), symbol "A", K shall be taken equal to 0.6."

Insert a new paragraph 6.1.2.3., to read:

"6.1.2.3.	However, for tyres identified by the "tyre to rim fitment configuration" (see para. 3.1.10.), symbol "A", the outer diameter shall be that specified in the tyre size designation as shown on the sidewall of the tyre."

Insert a new paragraph 6.1.4.2.4., to read:

"6.1.4.2.4.	However, for tyres identified by the "tyre to rim fitment configuration" (see para. 3.1.10.), symbol "A", the overall width of the tyre, in the lower area of the tyre, equals the nominal width of the rim on which the tyre is mounted, as shown by the manufacturer in the descriptive note, increased by 20 mm."

Paragraph 6.1.5.1., amend to read:

"6.1.5.1.	for sizes listed in annex 5, and for tyres identified by the "tyre to rim fitment configuration" (see para. 3.1.10.), symbol "A", the nominal section height H is equal to:

H = 0.5 (D-d), for references see paragraph 6.1.2."

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