JLG Triple-L Operator Manual - Manual (Page 68)

SECTION 4 - SERVICE AND MAINTENANCE
4-28 – Triple-L-Trailer – 3121224
heavy duty brakes, ride levelers, roof rack, heavy duty bat-
tery, and special trim.
Radial Ply Tire
A pneumatic tire in which the ply cords that extend to the
beads are laid at substantially 90 degrees to the center-
line of the tread.
Recommended Inflation Pressure
This is the inflation pressure provided by the vehicle man-
ufacturer on the Tire Information label and on the Certifica-
tion / VIN tag.
Reinforced Tire
A tire designed to operate at higher loads and at higher
inflation pressures than the corresponding standard tire.
Rim
A metal support for a tire or a tire and tube assembly upon
which the tire beads are seated.
Rim Diameter
This means the nominal diameter of the bead seat.
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 mate-
rial 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 distrib-
uting to each axle its share of the maximum loaded vehi-
cle weight and dividing by two.
Vehicle Normal Load On The Tire
The load on an individual tire that is determined by distrib-
uting to each axle its share of the curb weight, accessory
weight, and normal occupant weight (distributed in accor-
dance 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 incorporat-
ing a wheel, a mechanical device which attaches, either
integrally or separably, to the non-pneumatic rim and pro-
vides the connection between the non-pneumatic rim and
the vehicle; or, in the case of a non-pneumatic tire assem-
bly not incorporating a wheel, a mechanical device which
attaches, either integrally or separably, to the non-pneu-
matic 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.