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Dual Rear Wheels
• Dual wheels are flat mounted, center piloted. The lug nuts are a two-piece
assembly. When the tires are being rotated or replaced, clean these lug nuts and
add two drops of oil at the interface between the hex and the washer.
• Slots in the wheels will assist in prop-
erly orienting the inner and outer
wheels. Align these slots when assem-
bling the wheels for best access to the
tire valve on the inner wheel. The tires
of both dual wheels must be com-
pletely off the ground when tightening
to insure wheel centering and maxi-
mum wheel clamping.
• Dual wheel models require a special
heavy-duty lug nut tightening adapter
(included with the vehicle) to correctly
tighten the lug nuts. Also, when it is necessary to remove and install dual rear
wheels, use a proper vehicle lifting device.
NOTE:
When installing a spare tire (if equipped) as part of a dual rear wheel end
combination, the tire diameter of the two individual tires must be compared. If there
is a significant difference, the larger tire should be installed in a front location. The
correct direction of rotation for dual tire installations must also be observed.
WHAT TO DO IN EMERGENCIES
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