TM 9-2320-289-346-17.1. REAR AXLE DRIVE PINION AND BEARINGS MAINTENANCE (M1028A2) (Con’t).NOTEWhen measuring rotating torque, torque reading needed to start drivepinion (5) shaft turning should be disregarded,Front shim pack (6 and 17) should be increased to reduce rotatingtorque. Front shim pack should be decreased to increase rotatingtorque.10.Measure rotating torque at flange nut(4) ,Rotating torque should be20-40 lb.-in.(2-5 N.m) for newbearings, or 10-20 lb.-in. (1-2 N.m)for reused bearings. Adjust front shimpack (6 and 17) by repeating steps 8and 9 if specifications are not met.11.Remove flange nut (4), washer (16), and flange (2) from drive pinion (5) shaft. Discard flangenut.12.Coat lips of new pinion oil seal (14) with molybdenum grease and install squarely into housing (7)bore until flush with housing. Install flange (2), washer (16), and new flange nut (4). Tightenflange nut to 255 Ib.-ft. (346 N.m).FOLLOW-ON TASKS:l Install rear axle differential. (See paragraph 6-15.1)Change 16-122.9/(6-122.10 blank)
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