TM 9-2320-279-10-1 Change 8 2-62.1/(2-62.2 blank) Table 2-1. Preventive Maintenance Checks and Services for Models M977 thru M985E1 Location Item No. Interval Item to Check/ Service Crewmember Procedure Not Fully Mission Capable If: DRIVER 49 Weekly Tires WARNING Operating a vehicle with a tire in an over-inflated or under-in- flated condition or with a ques- tionable defect may lead to premature tire failure and may cause equipment damage, or injury or death to personnel. Check tires for correct air pres- sure. Refer to paragraph 3-9 for proper inflation procedures. TIRE PRESSURES Model Cross Cross Sandy Highway Country-Dry Country-Wet Terrain Front (all models) Standard or XZL Tire 60 psi 35 psi 20 psi 30 psi (414 kPa) (241 kPa) (138 kPa) (207 kPa) Sand Tire 60 psi 25 psi (414 kPa) NA NA (172 kPa) Rear M977,M978,M983 Standard or XZL Tire 70 psi 40 psi 30 psi 35 psi (483 kPa) (276 kPa) (207 kPa) (241 kPa) Sand Tire 70 psi 30 psi (483 kPa) NA NA (207 kPa) M984A1 Standard or XZL Tire 100 psi 100 psi 100 psi 30 psi (690 kPa) (690 kPa) (690 kPa) (207 kPa) Sand Tire 100 psi 25 psi (690 kPa) NA NA (172 kPa) M984A1 (when towing another vehicle) Standard or XZL Tire 100 psi 100 psi 100 psi 80 psi (690 kPa) (690 kPa) (690 kPa) (551 kPa) Sand Tire 100 psi 80 psi (690 kPa) NA NA (551 kPa)