38
5
Dura-Bright
®
surface treated
wheels cleaning
and maintenance
(continued)
d. Clean your Alcoa Dura-Bright
®
wheels using the above procedures as frequently
as required to maintain their appearance. Typical road soils, grime and brake dust trap
moisture, which can cause corrosion over a period of time. These must be removed
regularly. To assist in the removal of excessive dust, dirt and road grime, the use of warm,
high-pressure water with a mild detergent is recommended. The surface of Alcoa
Dura-Bright
®
wheels will be damaged, discolored or removed if abrasives, abrasive
brushes, steel wool, scouring pads or strong chemicals (such as acids or lye-based
products) are used to clean the wheel. DO NOT USE the Alcoa Aluminum Care System
on Dura-Bright
®
wheels at any time during their service life.
4. Once in service, Dura-Bright
®
wheels can become nicked or scratched by road
debris and/or mechanical damage. If this occurs, continue to follow the normal washing
and cleaning instructions provided above. The surface of an Alcoa Dura-Bright
®
wheel
is designed to limit cracking and peeling if nicked or scratched while in service.
5. Even as durable as Dura-Bright
®
wheels are, the mounting area can become
scratched, marred or discolored when mounted against another wheel, hub or drum.
The use of a wheel mounting surface guard, such as Alcoa DiscMates™, is highly
recommended. The use of the Alcoa Hub Cover System on Alcoa Dura-Bright
®
wheels
will also assist in limiting such damage and help maintain the appearance of your
Alcoa Dura-Bright
®
wheels.
Identification
5-9
Alcoa wheel identification
Since 1977, all Alcoa aluminum disc wheels have been identified with a stamp that shows
the wheel load rating, maximum inflation pressure, date of manufacture, part number,
wheel description and DOT marking designation.
Prior to June 1996, all Alcoa heavy duty truck wheels had the Alcoa identification
symbol on the outside of the disc near the hand hole in line with the valve location.
This marking was phased out on heavy duty truck wheels manufactured after June 1996.
All Dura-Bright
®
surface treated wheels are designated by the letters “DB” following the
part number such as 883620DB.
Note: Dura-Bright
®
wheels produced after November 2002 have Alcoa wheel part
numbers ending with “DB” (earlier wheels have part numbers ending in a 4 or 7) with
bead seat diameters measured in 0.5-inch increments. Not all Alcoa wheels are available
with the Dura-Bright
®
surface treatment.
All Dura-Flange
®
wheels are designated by the letters “DF” following the part number
such as 883620DF.
Date of Manufacture
Month/Day/Year
(prior to 2000, some wheels
may have only Month/Year)
Wheel Description
ALCOA ® FORGED
MADE IN U.S.A.
Wheel Load Rating
(Pounds)
FMVSS 120
Designation
Maximum
Inflation Pressure
PART NO 883623
MAX LOAD 7300 LB. MAX PSI 120
082297
T—DOT
22.5X8.25 15° DC
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