TM 10-3930-638-24&P 4-5. AXLE MAINTENANCE (cont) a. Differential  Carrier (cont). Bearings (20, 23, and 25),  bearing  cups (7, 21, and 22) Pinion shaft (19) STEP LOCATION ITEM ACTION REMARKS CLEANING  (cont) 10 All other parts Use cleaning solvent P-D-680. Dry with clean, soft, lintless, absorbent cloths INSPECTION 11 Check  for  wear,  pitting,  or  damage;  replace part if any of these conditions are observed 12 Check  gear  teeth  and  splines  for  nicked, cracked, broken, scored, or worn condi- tion. Remove burrs or nicks with soft hone  or  crocus  cloth.  Replace  badly damaged  or  worn  part NOTE Pinion shaft (19) and ring gear (para 4-5b, key number 16) shall be replaced as a matched set. 13 Bearing   adjusting Inspect Check  for  wear,  damage  and  nicks.  Check ring (6) threads for damage. If any of these con- ditions  are  observed,  replace  part 14 Pinion cage (17) and Inspect Check  for  cracks,  breaks,  burrs,  and  dam- differential  carrier  (27) age to machined surfaces. Remove burrs and minor surface irregularities with soft hone  or  crocus  cloth.  Replace  cracked or damaged parts 15 Yoke  (13) Inspect Check  for  cracks,  burrs,  twisted  splines, and other damage. Remove burrs with soft hone or crocus cloth. Replace part if  cracked  or  splines  badly  twisted 16 All other parts Inspect Check  for  damage  and  wear;  replace  part  if damaged  or  worn NOTE Immediately  after  performing  inspection,  coat  all  parts  with  light oil to prevent corrosion. Inspect Inspect Change 2    4-241