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Lug nuts should always be installed
clean and dry. Never lubricate lug nuts.
Hubs should be clean, dry, and free of
rust and excess paint. Firm metal-to-
metal contact is necessary to ensure
that wheels remain securely fastened.
u
If a lug nut is removed, re-torque
lugnut. Refer to chassis manual
for torque specifications. Always
use lug nuts supplied by the chassis
manufacturer.
u
A new wheel will often loosen,
even though lug nuts were firmly
torqued. Recheck lug nuts every
100 miles following a tire change to
ensure tightness. On new dual wheels,
re-torque lug nuts at 100 miles and
again at 500 miles.
Replacement tires should equal or
exceed load specifications of the
original equipment tires. Do not mix
tire sizes and do not mix bias ply and
radial tire construction or dangerous
vehicle handling conditions may result.
u
Wheels should be replaced if bent,
badly rusted, or if loose lug nuts have
caused wear in the hub area.
MUD FLAPS
Inspect mud flaps regularly to ensure
firm attachment. Make sure they are
clean and free from mud and debris.
CHANGING A FLAT TIRE
For additional information refer to
Section 03 Driver’s Area.
11 WHEELS & TIRES
Image: Mud Flap
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