TM-9-2320-280-20 HMMWV Technical Manual Unit Maintenance Volume 2 Download
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8-4.1. BIAS TIRE, WHEEL, AND RUBBER RUNFLAT MAINTENANCE (Cont'd) TM 9-2320-280-20-2 Change 3 8-14.3 WARNING In all disassembly operations, ensure the tire is totally deflated before removing wheel locknuts. Failure to follow proper safety precautions could cause serious injury or death. 2. Remove valve core (8) from valve bore (9) and deflate tire (6). Run a piece of wire through valve bore (9) to make sure it is not plugged. 3. When tire (6) is fully deflated, use a circular pattern and loosen twelve wheel locknuts (2) securing rim halves (1) and (4) together. If you hear escaping air, do not proceed. Wait until the sound stops and recheck valve bore (9). When you are certain the tire (6) is fully deflated, proceed to remove wheel locknuts (2). Discard locknuts (2). 4. Remove outer rim half (1) from tire (6). NOTE Perform steps 5 and 6 only if damage to valve bore, insert, or O-ring is evident. 5. Remove valve bore (9) from insert (10). Remove insert (10) and locknut (12) from outer rim (1). Discard locknut (12). 6. Remove O-ring (11) from insert (10). Discard O-ring (11). 7. Remove O-ring (5) from inner rim half (4). Cut O-ring (5) in two, to make sure it cannot be reused. Discard O-ring (5). 8. Remove tire (6) from inner rim half (4). 9. Remove balance weights (3) from rim halves (1) and (4), if present. Discard balance weights (3). 10. Remove runflat spacer (7) from tire (6). 2 1 7 6 5 4 3 8 9 11 12 1 10