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22-4
WHEELS, BEARINGS AND TIRES
TIRES
Care of Tires
Protective, water soluble coating is applied to the
white sidewalls of tires at the factory. Wash the side-
walls with water
only,
to remove this coating.
DO
NOT USE GASOLINE
OR
OTHER SOLVENTS.
DO
NOT USE A WIRE BRUSH.
After the vehicle is in service, the whitewalls
should be cleaned with soap or non-abrasive cleaners
and (if necessary) a soft bristle brush.
Adjust tire pressures regularly, including the spare
when the tires are cool or cold. Inflate to specified
pressures. Inspect the tires for damage and em-
bedded foreign matter at the same time.
Tire Rotation
With the increased road speeds and faster corner-
ing abnormal tire wear may exist on certain wheels.
By rotating tires regularly, tire life will be length-
ened. The wheels and tires should be rotated at the
recommended intervals and in the recommended
sequence (Fig.
6).
LEFT FRONT
nicw
FRONT
Fig. &Tire
Rotation
Repairing Leaks
Leaks, between the tire and wheel, require the re-
moval of the tire. Leaks in the tire can often be re-
paired without removing the tire. Always follow the
equipment manufacturers recommendations.
Any tools used for dismounting and mounting tires
must be smooth, free from sharp edges or projections
which could damage the tire.
The car jack can also be used to remove the tire
bead from the seat (Fig. 7 ) . The tire must be com-
pletely deflated before the beads are removed from
the seats.
Fig. 7-Removing
Tire with Car Jack
When installing the tire, make sure all
rust
scale
is removed from the inside wheel rim and all rough-
ness has been removed from the butt weld in the tire
contact area. A mild soap solution applied to both tire
bead surfaces will aid in installation. Either a com-
mercial type bead expander or a rope tourniquet (Fig.
8)
can be used to seat the tire beads.
Fig. 8-Expanding
Tire Beads
Tire Wear Patterns
9
through
11.
For the various tire wear patterns, refer to Figures
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