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TIRE
BALANCE-Many tires are marked at the factory with a red
mark on the sidewall near the bead denoting the light point of the
casing. The valve stern is the heavy point of the wheel and the tire
should
always
be mounted with the mark at this
point.
If no red mark
is found on the casing this indicates that the tire has been balanced
by the tire manufacturer and no special
mounti~g
is
needed.
Due to
irregularities in tread wear caused by sudd~n brake applications,
misalignment,
low inflation
pressures,
tire repairs, etc., a tire assembly
can lose its original balance.
If a disturbance is felt in the steering wheel due to the action of the
front wheels, or if pounding, tramping, or shimmying is experienced
while driving, one of the first items to check is the static balance of
tires and wheels.
TIRE SWITCHING.-Switching tires from one
position to another on the car usually prolongs
tire life. If you have four good tires, you might
consider switching
.
at regular intervals by cross-
changing them from right front to left rear and
left front to right rear. With five good tires,
however, tire switching as shown in the diagram
saves tires by equalizing wear and "exercising"
the spare. By having your tires switched every
4,000 miles and using the spare, you can drive
20,000 miles and only put 16,000 miles wear on each of the tires.
SAVING TIRES WHEN YOU DRIVE-Maximum tire life can be
secured by careful attention to driving habits and a few essential
details of
service.
W,e have listed below the most important points to
help you secure this
maximum.
[24]
1. Keep tires properly inflated at all
times.
2.
Avoid spinning wheels when
starting.
3. A void sudden stops.
4. Turn corners at moderate
speeds.
5.
Steer around bumps, ruts, or minor obstructions in the road.
6. Keep out of car
tracks.
7. Do not bump or scrape the curb.
8. Keep the front wheels in proper alignment. (See page 28.)
9. Keep brakes adjusted. Uneven brake adjustment causes
uneven tire wear.
10. Switch tires every 4,000
miles. (See above.)
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