TM-9-2320-280-10 HMMWV Operator Manual Download
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TM 9-2320-280-10 Change 1 3-33 3-26. WHEEL ASSEMBLY REPLACEMENT WARNING • Always apply parking brake and block opposite wheel before removing wheel assembly. Avoid removing wheel assembly when vehicle is on sloping terrain. Injury to personnel, or damage to equipment may result. • Remove only the inner group of nuts when removing a wheel from the vehicle. Removing the outer nuts which hold the rim together while the wheel assembly is inflated could result in serious injury or death. • Ensure scissors jack is positioned directly under the lower control arm, next to the wheel being replaced. Do not place at any other location such as frame rails. Injury to personnel, or damage to equipment may result. • Radial and bias ply tires should not be mixed on the same vehicle. Injury to personnel or damage to equipment may result. • Do not use bias ply tires on the M1097, M1123, or any A1 and A2 models, under any condition. Due to tire load ratings and vehicle load carrying capabilities, only the load range “D” radial tire can be used on the M1097, M1123, and all A1 and A2 models. NOTE Check tire size designator on sidewall for tire construction identification: 36 x 12.50-16.5LT-Bias ply, 37 x 12.50R16.5LT- Radial. a. Wheel Assembly Removal. (1) Place jack (11) under lower control arm (12) next to wheel being replaced. Center jack (11) squarely under point of contact. (2) Loosen eight lug nuts (9), but do not remove. (3) Raise vehicle high enough to allow removal of wheel assembly (8). (4) Remove eight lug nuts (9) securing wheel assembly (8) to geared hub (10) and remove wheel assembly (8).