Chevrolet Fleetmaster Series 1947 Owner's Manual page 24

Never drive synthetic rubber tires when they are flal or have
very little pressure.
SPEED AND LOAD
High speed, especially in hot weather, causes excessive tire
heat. This is true with any tire, but especially with synthetic tires.
This excessive heat causes rapid tire wear and may cause fabric
(tire carcass) failures. Avoid continuous high speed driving-
cool tires are safe tires.
TIRE WEAR
Incorrect front wheel alignment or wheels which are out of
balance will cause rapid uneven wear on the tire tread.
If
'this
condition appears, we recommend that you have your car checked
by a Chevrolet dealer who has the necessary special tools and
equipment to perform this inspection and correction operation.
Scraping tires against the curb or hitting objects in the road
may break Qr cut the rubber and weaken the structure of the tire.
Synthetic tires that have been damaged in any way should be
properly repaired at once as these damaged spots increase in size
more rapidly than on former tires.
Spinning the wheels or sliding the tires from severe brake ap-
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will cause excessive tire wear.
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Fig. 26-Interchanging Tires
Extra Tire
Life-Addi-
tional tire life may be obtained
by interchanging the tires on
your car at regular intervals,
between 3000 and 5000 miles,
depending upon the severity
of the rate of tread-wear in
your locality.
In order to utilize your
spare tire and keep it from
disintegrating due to lack of
use, interchange the tires as
follows:
the right front tire goes into the spare compartment;
- the spare tire goes on the right rear;
the right rear goes on the left front;
the left front goes on the left rear;
the left rear goes on the right front
twenty·two