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TM 9-2330-380-14&P
3-4. Wheel and Tire (cont'd)
b. Installation
WARNING
Tire is heavy. Two persons are required to remove/install tire.
NOTE
Before installing wheel and tire assembly, be sure that mounting surfaces of hub, ball seats and flat
mounting surfaces of wheel are clean and free of foreign matter or excess paint.
Check to see that threads of studs are clean and not damaged.
Perform steps 1 and 2 to install inner wheel.
1. If removed, mount inner wheel (7) on hub with
convex side (8) of wheel facing out. Install inner
wheel cap nuts.
2. Tighten cap nuts securely in tightening sequence
shown.
3. Mount outer wheel (9) on hub with convex side (8)
of wheel facing in and against inner wheel.
4. Make certain valve stem for outer wheel is not
aligned with valve stem of inner wheel.
5. Install outer wheel cap nuts. Tighten cap nuts
securely in tightening sequence shown.
6. As soon as possible, have unit maintenance torque
wheel stud nuts to 450-500 lb-ft (610.2-678.0 Nm).
NOTE
Tire pressure for M129A4 is 70 psi (482.65 kPa).
7. Inflate tires to correct pressure.
XM1063: Highway .............................................................................. 70 psi (482.65 kPa)
Cross country, sand, mud, snow ........................................... 45 psi (310.28 kPa)
8. Lower semitrailer and remove jacking equipment.
3-10



 


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