TM-9-2320-361-24-2 Field Maintenance Manual Volume 2 for M44A2 Series Trucks
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TM 9-2320-361-24-2 0455 00 0455 00-10 DIFFERENTIAL CARRIER REPAIR (Contd) CLEANING AND INSPECTION (Contd) 12. Inspect pinion (5) for chips, breaks, cracks, burrs, or uneven wear. Replace pinion (5) and helical drive gear (10) if chipped, broken, cracked, burred, or worn unevenly. 13. Measure outside diameter of hub on pinion (5). Refer to table 2, Wear Limits, for measurements. Replace pinion (5) and helical drive gear (10) if not within wear limits. 14. Inspect rear bearing (6) for chips or distortion. Replace bearing (6) if chipped or distorted. 15. Measure inside diameter of inner race on rear bearing (6). Refer to table 2, Wear Limits, for measurements. Replace rear bearing (6) if not within wear limits. 16. Inspect shaft (4) for chips, breaks, cracks, burrs, or uneven wear. Replace shaft (4) if chipped, broken, cracked, burred, or worn unevenly. 17. Measure outside diameter of shaft (4) at spline (9) where front bearing (3) fits. Refer to table 2. Wear Limits, for measurements. Replace shaft (4) if not within wear limits. 18. Measure outside diameter of shaft (4) at spline (8) where pinion (5) fits. Refer to table 2, Wear Limits, for measurements. Replace shaft (4) if not within wear limits. 19. Inspect bearing (3) for chips or distortion. Replace bearing (3) if chipped or distorted. 20. Measure inside diameter of inner race on front bearing (3). Refer to table 2, Wear Limits, for measurements. Replace bearing (3) if not within wear limits. 21. Measure outside diameter of bearing seat (1). Refer to table 2, Wear Limits, for measurements. Replace bearing (3) and bearing seat (1) if not within wear limits. 22. Measure outside diameter of bearing seat (7). Refer to table 2, Wear Limits, for measurements. Replace rear bearing (6) and bearing seat (7) if not within wear limits. 23. Measure diameter of bearing seats (1) and (7) openings in carrier housing (2). Refer to table 2, Wear Limits, for measurements. Replace housing and cap assembly (2) if not within wear limits. Table 2. Wear Limits. ITEM NO. ITEM/POINT OF MEASUREMENT WEAR LIMITS/TOLERANCE INCHES MILLIMETERS 1 2 3 4 5 6 7 Bearing seat (outside diameter) Carrier housing (inside diameter): Outer race (1) opening Outer race (7) opening Bearing (inside diameter of inner race) Shaft: Outside diameter at front bearing (9) end Outside diameter at pinion (8) end Pinion (outside diameter of hub) Bearing (inside diameter of inner race) Bearing seat (outside diameter) 3.250—3.251 3.250—3.251 4.331—4.332 1.687—1.688 1.688—1.689 1.626—1.627 2.500—2.510 2.500—2.501 4.331—4.332 82.550—82.575 82.550—82.575 110.007—110.033 42.850—42.875 42.875—42.901 41.300—41.326 63.500—63.754 63.500—63.525 110.007—110.033