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TM 5-4210-230-14&P-1
SAFETY CHECKS AND PRECAUTIONS
WHEELS
Check condition of and maintain recommended torque on wheel and rim mounting bolts and nuts
Check condition of tires for abnormal wear patterns, and proper inflation pressures. Cut or broken tire casing must be repaired.
CAUTION
Mounting and demounting of tires should only be performed by personnel utilizing necessary safety procedures and
equipment.
Wheel bearings must be properly packed and adjusted at regular intervals. This is especially important if operating in deep sand,
mud, or water.
WHEEL-DISC (Flanged Nut)
1.
Mounting faces of the hub, wheel and nut must be free from dirt or excess paint. Mounting faces which have been damaged
from wear or abuse must be repaired or replaced.
2.
Right hand threads are used on both sides of the vehicle when the flanged type nuts are used.
3.
Tighten flanged wheel mounting stud nuts to 540 Nm (400 ft. lbs.).
It is good practice to recheck lug nut torque of any wheel installation after the first 80 km (50 mi.). The seating of parts may
allow the torque to drop off. If the torque has dropped off, retorque and check again after another 80 km (50 mi.). If torque has
dropped off a second time, recheck closely for a flush fit to hub or brake drum; look for any type of interference and correct. Once the
proper torque is retained after the initial installation, it is advisable to periodically check the torque at regular maintenance intervals.
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