TM-9-2320-387-10 HMMWV Operator Manual Download
Page 98 of 277
DRIVER WARNING 39 Weekly Tires Do not exceed 50 psi (345 kPa) cold radial tire inflation pressure. Overinflation of tire may result in damage to equipment and injury or death to personnel. a. Check tire tread depth. a. Tread is worn Tread should not be worn be- even to height of yond level of wear bar (1/16 in. tread wear indicator. (15.9 mm or less)). Wear (1/16 in. (1.59 mm or bars are molded across the less)). Any cut, tread pattern in the valley be- gouge, or crack tween the center rib and lugs. extends to the cord The Tread Wear Indicator body, or any letters (TWI) are molded on bulges. the sidewall to aid in locating the wear bar. NOTE • The wear bars are not evident on new or very low mileage tires. The wear bars will appear after usual use. • Some tires will show a diamond instead of TWI indicating where the wear bar is located. Table 2-2. Preventive Maintenance Checks and Services (Cont’d). Item No. Interval Not Fully Mission Capable If: Location Item to Check/ Service Crewmember Procedure 2-50 Change 1 TM 9-2320-387-10 WEAR BAR THREAD WEAR INDICATOR (TWI) TIRE TREAD DEPTH