Bridgestone Medium and Light Truck Tire Data Book - Sullivan Tire ...
Bridgestone Medium and Light Truck Tire Data Book - Sullivan Tire ...
Bridgestone Medium and Light Truck Tire Data Book - Sullivan Tire ...
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Effective January 2010<br />
wheel on the hub pilot pads while tightening.<br />
(Don’t use an air wrench to tighten the first nut. It<br />
will reposition the wheel <strong>and</strong> not let gravity keep<br />
the wheel in contact with the hub pads that are<br />
at the top). After the first nut is tightened with<br />
the h<strong>and</strong> wrench, tighten all nuts according to<br />
sequence <strong>and</strong> procedure shown in TMC RP 222,<br />
User’s Guide to Wheels <strong>and</strong> Rims.<br />
If you have followed this procedure correctly,<br />
you will find there is clearance between the hub<br />
pads <strong>and</strong> the wheel pilot hole at the bottom <strong>and</strong><br />
no clearance at the top (See Figure 7.) shown on<br />
previous page.<br />
3. Recheck the radial runout to verify that it has<br />
Special Low Vibration Mounting For <strong>Bridgestone</strong> Radial <strong>Truck</strong> <strong>Tire</strong>s<br />
Many new <strong>Bridgestone</strong> truck tires have red marks<br />
for use with specially marked steel wheels to help<br />
optimize uniformity. All <strong>Bridgestone</strong> truck tires have<br />
yellow marks, to aid in initial balance. (White marks<br />
are factory inspection marks, <strong>and</strong> are not used in<br />
mounting or balancing.) Proper use of these marks<br />
during new tire mounting <strong>and</strong> installation can result<br />
in better ride <strong>and</strong> less vehicle vibration.<br />
<strong>Tire</strong> high point<br />
mark (Red)<br />
Steel wheel low<br />
point dimple<br />
<strong>Tire</strong> high point<br />
mark (Red)<br />
Valve stem, on<br />
aluminum rims or<br />
steel rims without<br />
dimples<br />
General Technical Information<br />
been improved. By locating the high point,<br />
repositioning the wheel, putting the high point at<br />
the top <strong>and</strong> re-tightening, gravity should have put<br />
the wheel in a better position with respect to the<br />
hub. Improvements up to .020" are common <strong>and</strong><br />
can greatly improve the ride.<br />
(Information reprinted with permission from: RP<br />
214B, <strong>Tire</strong>/Wheel Balance <strong>and</strong> Runout, in TMC’s<br />
Recommended Practices Manual, published by<br />
the Technology & Maintenance Council (TMC) of<br />
American <strong>Truck</strong>ing Associations, 2200 Mill Road,<br />
Alex<strong>and</strong>ria, VA 22314; (703) 838-1763).<br />
tmc.truckline.com )<br />
O. <strong>Tire</strong> Mounting For Low Vibration<br />
If the tire has a red mark, use only the red mark during<br />
mounting. Torque wheel nuts with red mark at “12<br />
o’clock” position.<br />
If the tire does not have a red mark, place yellow mark<br />
next to valve stem, regardless of wheel type.<br />
On dual assemblies, regardless of tire marks, install<br />
tires on axles with valve stems approximately 180<br />
degrees apart.<br />
<strong>Tire</strong> light static<br />
balance mark<br />
(Yellow)<br />
Valve stem<br />
Valve stems<br />
<strong>Medium</strong> <strong>Truck</strong> <strong>Light</strong> <strong>Truck</strong> General Technical Load/Inflation Technical Bulletins<br />
77
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