Wheel and Rim Mounting
MAINTENANCE CHECK
As a part of your WEEKLY MAINTENANCE, check the wheel retaining nuts to insure proper
tightness. Torque values and correct torquing procedures are offered in this section.
HEAVY TRUCK ALUMINUM DISC WHEEL INSTALLATION PROCEDURE
1.
HUB-PILOTED MOUNTING
Wheels with the hub-piloted mounting system are called hub piloted wheels. Hub
Piloted Disc Wheelsare designed to center on the hub at the center hole or bore of the
wheel. The wheel center hole locates the wheel on pilots built into the hub. Hub
piloted wheels are used in two-piece flange nuts which contact the disc face around
the bolt hole. Only one nut on each stud is used to fasten single or dual wheels to a
vehicle. All stud and nut threads are right hand. Hub piloted wheels are straight
through bolt holes with no ball seat, which provides a visual way of identifying them.
See figure below.
A. 10 Hole, 11.25” Bolt Circle DCN Mounting.
1. Inflate tire prior to installing on vehicle.
2.
Inspect parts before installing.
Check all parts for damage, including rims/ wheels . Ensure that studs, nuts, and mounting
faces of hub drum and wheels are flat, clean, and free from grease. Clean hub surface with
wire brush if scale is present.
Replace any damaged parts. Do not bend, weld, heat, or braze components. Do not use
tubes to stop rim air leakage.
Not all nuts and studs can be used with all types of wheels. The use of improper
nuts and studs can cause nut loosening, stud failure, or premature wheel failure,
which could cause an accident or injury.
Use correct nuts. Inspect nuts to ensure they are not worn and function properly.
a. Front Wheels
T300-1_T500-1_T780
Service / Parts
460 P/N 12261-683
REVISED: January 2015
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