TM-9-2320-280-10 HMMWV Operator Manual Download
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TM 9-2320-280-10 Table 2-2. Preventive Maintenance Checks and Services (Cont’d) Location Item Item to Crewmember Not Fully Mission No. Interval Check/ Procedure Capable if: Service 42 Weekly Tires a. Check tire tread depth. a. Tread is worn (Cont'd) Tread should not be worn be- even to height of yond level of wear bar. Wear tread wear indicator. bars are molded across the Any cut, gouge, or tread pattern in the valley be- crack that extends tween the center rib and lugs. to the cord body or The tread wear indicator any bulges. letters (TWI) are molded on the sidewall to aid in locating the wear bar. NOTE The wear bars are not evi- dent on new or very low mileage tires. The wear bars will appear after usual use. 2-88