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INSPECTION AND MAINTENANCE
Not all tire problems are immediately visible, which is why it pays to
periodically inspect tires. A good time for this is while checking
inflation pressure. Run a hand across the tread to check for excessive
feathering. That is where each tread block has a distinct raised edge
caused by uneven wear. More typical of tires on the tow vehicle, feathering
is a sign of an out-of-alignment axle or possibly loose spindle nuts.
Check for cracks that could mean your tires are in need of replacement.
For example, Michelin's Recreational Vehicle Tire Guide states that most
often, the cracks are 360 degrees around the tire, and are acceptable
if less than 1/32 inch deep. Between Y32 inch and 2/32 inch, the tire
is suspect and should be examined. If the cracks are more than 2/32 inch
deep, the tire should be replaced immediately.
Look also for sidewall and tread bulges indicative of carcass (cord)
failure, and don't forget to verify that the valve stem and cap are in
good shape. An old, cracked valve stem can break off, leading to a sudden
loss of pressure and a real handful of trouble for the driver.
Keep your tires clean by washing them with a soft scrub brush, mild soap
and water. Use caution when selecting tire-- care products, and do not
use any that contain alcohol or petroleum distillates, which can actually
accelerate breakdown of the tire compound.
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