PREVOST X3-45 Multiplex User Manual

8
8
Glossary of Common Terms
Glossary of
Common Terms
8-1
1/2 DUAL SPACING - One half the distance between the two center lines
of dualed wheels. The dimension is the same as the OUTSET dimension.
1-PIECE FLANGE NUT - A one-piece washer and nut combination not recommended for use on
any Alcoa wheel application.
2-PIECE FLANGE NUT - A two-piece washer and nut combination used to secure
hub piloted wheels.
AIR CHAMBER - The space enclosed by a tire and wheel rim or inner tube.
BEAD SEAT - The area along the outer edges of the rim where the mounted tire
and rim are in contact.
BOLT CIRCLE - The circle defined by the centers of the bolt holes (stud holes)
of a wheel, dimensions stated in diameter inches or millimeters.
BOLT HOLE - Hole found in the disc of the wheel through which the bolt (stud) passes.
BORE - See “HUB BORE.”
CENTER BORE - See “HUB BORE.”
CONE LOCK CAP NUT - See “2-PIECE FLANGE NUT.”
DC - Abbreviation for drop center.
DISC AREA - The vertical wheel face which supports the rim.
DISC MATE - (wheel gasket) A nylon 6-6 gasket that goes between the brake drum and wheel and/
or between two wheels to protect against corrosion.
DISC WHEEL - A one-piece (forged) or two-piece (welded) assembly of a disc and a rim.
DROP CENTER - The well or center portion of the wheel rim.
DUAL WHEEL - Any wheel that can be mated disc side to disc side with another wheel resuliting in
an inner and outer dual wheel assembly.
FLAT BASE WHEEL - A multi-piece wheel with a removable side ring.
FOOT-POUNDS - The measure of the amount of torque applied to a cap nut or other part. May be
measured with a torque wrench.
GUTTER FLANGE - A groove which supports the removable portion of a multi-piece wheel.
HUB BORE - The center hole of a disc wheel, dimensions stated in inches or millimeters.
HUB PILOTED MOUNTING - A wheel mounting system which uses the hub to center the wheel
and two-piece flange nuts to secure it.
in. - Abbreviation for inches.
INNER CAP NUT - Cap nut used to mount the inner wheel in a dualed stud located wheel system.
INSET - The distance from the wheel mounting surface to the rim centerline when
the centerline is placed inboard of the mounting surface.
kg - Abbreviation for kilogram (weight measurement), equal to 1000 grams.
kPa - Abbreviation for kilo Pascals (pressure measurement).
45

PREVOST X3-45 Multiplex Specifications

General

Length	45 ft
Width	102 in
Engine	Volvo D13
Horsepower	500 hp
GVWR	54, 000 lbs
Height	146 in
Sleeping Capacity	Varies based on floor plan
Water Capacity	Varies based on floor plan