Titan Leaf Pro Operation & Maintenance Manual Download Page 19

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Tire Information

Rim size designation:

This means the rim diameter and width.

Rim type designation:

This means the industry of manufacturer’s designation for a rim by style or code.

Rim width:

This means the nominal distance between rim flanges.

Section width:

The linear distance between the exteriors of the sidewalls of an inflated tire, excluding

elevations due to labeling, decoration, or protective bands.

Sidewall:

That portion of a tire between the tread and bead.

Sidewall separation:

The parting of the rubber compound from the cord material in the sidewall.

Special Trailer (ST) tire:

The "ST" is an indication the tire is for trailer use only.

Test rim:

The rim on which a tire is fitted for testing, and may be any rim listed as appropriate for use with

that tire.

Tread:

That portion of a tire that comes into contact with the road.

Tread rib:

A tread section running circumferentially around a tire.

Tread separation:

Pulling away of the tread from the tire carcass.

Treadwear indicators (TWI):

The projections within the principal grooves designed to give a visual indication

of the degrees of wear of the tread.

Vehicle capacity weight:

The rated cargo and luggage load plus 68 kilograms (150 lbs.) times the vehicle’s

designated seating capacity.

Vehicle maximum load on the tire:

The load on an individual tire that is determined by distributing to each

axle its share of the maximum loaded vehicle weight and dividing by two.

Vehicle normal load on the tire:

The load on an individual tire that is determined by distributing to each axle

its share of the curb weight, accessory weight, and normal occupant weight (distributed in accordance with
Table I of CRF 49 571.110) and dividing by 2.

Weather side:

The surface area of the rim not covered by the inflated tire.

Wheel center member:

In the case of a non-pneumatic tire assembly incorporating a wheel, a mechanical

device which attaches, either integrally or separably, to the non-pneumatic rim and provides the connection
between the non-pneumatic rim and the vehicle; or, in the case of a non-pneumatic tire assembly not
incorporating a wheel, a mechanical device which attaches, either integrally or separably, to the non-
pneumatic tire and provides the connection between tire and the vehicle.

Wheel-holding fixture:

The fixture used to hold the wheel and tire assembly securely during testing.

2.3. T

IRE

AFETY

VERYTHING

IDES

The National Traffic Safety Administration (NHTSA) has published a brochure (DOT HS 809 361) that
discusses all aspects of Tire Safety, as required by CFR 575.6. This brochure is reproduced in part below. It
can be obtained and downloaded from NHTSA, free of charge, from the following web site:

http://www.nhtsa.dot.gov/cars/rules/TireSafety/ridesonit/tires_index.html

Studies of tire safety show that maintaining proper tire pressure, observing tire and vehicle load limits (not
carrying more weight in your vehicle than your tires or vehicle can safely handle), avoiding road hazards, and