Tire Tread; Tire Balance And Wheel Alignment; Tire Repair; Tire Fundamentals - Craftsman 220 User Manual

replacing to find this information. If you have any doubt about the correct size to
choose, consult with the tire dealer.

6.4.7 Tire tread

The tire tread provides the gripping action and traction that prevent your vehicle
from slipping or sliding, especially when the road is wet or icy. In general, tires
are not safe and should be replaced when the tread is worn down to 1/16 of an
inch. Tires have built-in tread-wear indicators that let you know when it is time
to replace your tires. These indicators are raised sections spaced intermittently in
the bottom of the tread grooves. When they appear "even" with the outside of the
tread, it is time to replace your tires. Another method for checking tread depth is
to place a penny in the tread with Lincoln's head upside down and facing you. If
you can see the top of Lincoln's head, you are ready for new tires.

6.4.8 Tire balance and wheel alignment

To avoid vibration or shaking of the vehicle when a tire rotates, the tire must be
properly balanced. This balance is achieved by positioning weights on the wheel
to counterbalance heavy spots on the wheel-and-tire assembly. A wheel alignment
adjusts the angles of the wheels so that they are positioned correctly relative
to the vehicle's frame. This adjustment maximizes the life of your tires. These
adjustments require special equipment and should be performed by a qualified
technician.

6.4.9 Tire repair

The proper repair of a punctured tire requires a plug for the hole and a patch for
the area inside the tire that surrounds the puncture hole. Punctures through the
tread can be repaired if they are not too large, but punctures to the sidewall should
not be repaired. Tires must be removed from the rim to be properly inspected
before being plugged and patched.

6.4.10 Tire Fundamentals

Federal law requires tire manufacturers to place standardized information on the
sidewall of all tires. This information identifies and describes the fundamental
characteristics of the tire and also provides a tire identification number for safety
standard certification and in case of a recall.

6.4.10.1 Information on Passenger Vehicle Tires

Please refer to the diagram on the next page.
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