Table 3-2.1. Unsafe Inflation Pressures

3-6. CHANGE WHEEL AND TIRE ASSEMBLY (CONT)

TM-9-2320-279-10-1 Truck Tractor Line Haul Light Equipment Transporter Medium Equipment Transporter Truck Chassis Manual
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TM 9-2320-279-10-1 Change 6 3-40.3 Operators Maintenance (Cont) Table 3-2.1. Unsafe Inflation Pressures WARNING If tire has been run flat, or is over- or underinflated when tire pressure is measured and operating terrain is compared to Table 3-2.1, or if wheel/tire assembly has obvious or suspected damage, it is not safe to adjust tire pressure. Completely deflate tire according to para 3-9, and remove the tire from the axle. Failure to follow these procedures may result in serious personal injury or death. Recommended HEMTT Tire Pressures UNSAFE Limits of High and Low Cold Tire Pressures OVER-Inflation Limits: 120psi is the top limit of cold tire pressure. Anything over 120psi makes tire unsafe. Recommended Operating Tire Pressures: UNDER-Inflation Limits: Front Tires All Models Operating Standard Tires (XZL, XL, AT2A) Condition Recommended Operating Pressure psi (kPa) Unsafe Under-inflation Pressure psi (kPa) 1. Highway 60 (414) 48 (331) 2. Cross Country - Dry 35 (241) 28 (193) 3. Cross Country - Wet 20 (138) 19 (131) 4. Sand 30 (207) 24 (165) Note: You can safely operate off-highway at highway recommended operating pressures. The reduced operating pressures for off-highway will improve mobility. Note: All tire pressures are based on measurement of cold tire.

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