2-26 PERIODIC MAINTENANCE
Wheel/Tire Damage Inspection
Remove any imbedded stones [A] or other foreign
particles [B] from tread.
Visually inspect the tire for cracks and cuts, and
replace the tire if necessary. Swelling or high
spots indicate internal damage, requiring tire
replacement.
Visually inspect the wheel for cracks, cuts and
dents damage.
If any damage is found, replace the wheel if
necessary.
Tire Tread Wear, Abnormal Wear Inspection
O As the tire tread wears down, the tire becomes
more susceptible to puncture and failure. An
accepted estimate is that 90% of all tire failures
occur during the last 10% of tread life (90% worn).
So it is false economy and unsafe to use the tires
until they are bald.
Measure the tread depth at the center of the tread
with a depth gauge [A]. Since the tire may wear
unevenly,take measurement at several places.
If any measurement is less than the service limit,
replace the tire (see Tire Removal/Installation in
the Wheels/Tires chapter).
Tread Depth
Standard:
Front: 4.5 mm (0.18 in.)
Rear: 5.5 mm (0.22 in.)
Service Limit:
Front: 0.8~1.0 mm (0.03~0.04 in.)
Rear: 0.8~1.0 mm (0.03~0.04 in.)
WARNING
To ensure safe handling and stability,use only
the recommended standard tires for
replacement,inflated to the standard pressure.
WARNING
NOTE
O Most countries may have their own regulations a
minimum tire tread depth:be sure to follow them.
O Check and balance the wheel when a tire is
replaced with a new one.
!
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