Wheel configurations

ROTATION DIAGRAM

TIRES INSPECTION

TM-9-2320-280-20-1 Truck Utility Cargo/Troop 1-1/4 Ton 4x4 Manual
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Table 2-1. Unit Level Preventive Maintenance Checks and Services HMMWV (Cont'd) ITEM NO. INTERVAL ITEM TO BE INSPECTED PROCEDURES TM 9-2320-280-20-1 Change 1 2-21 NOT FULLY MISSION CAPABLE IF: e. Check for loose, missing, or e. Any broken studs, or broken wheel studs and nuts. loose or missing wheel nuts. (1) Release air pressure from tire (para. 8-4 or 8-5). (2) Wheel configurations: (a) 12-bolt configuration – Tighten locknuts to 85 lb-ft (115 N•m) in sequence shown; repeat torque sequence at 125 lb-ft (170 N•m). (3) Inflate tire to recommended tire pressure (TM 9-2320-280-10). CAUTION Prior to checking torque, the tire assembly must be deflated. CAUTION Tighten locknuts gradually to avoid bent and broken studs, or damage to wheel components will result. 19 Semi- Tires Annual (Cont’d) 8-BOLT TIGHTENING SEQUENCE (b) 8-bolt configuration – Tighten locknuts to 55 lb-ft (75 N•m) in sequence shown; repeat torque sequence at 65 lb-ft (88 N•m). 12-BOLT TIGHTENING SEQUENCE

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