TM  10-3930-643-34 FRONT  AND  REAR  AXLES  TROUBLESHOOTING  AND  MAINTENANCE.  (cent) 7-8. Rear Differential Carrier Assembly. (Sheet 3 of 4) CLEANING/INSPECTION Dry  cleaning solvent  P-D-680, used for cleaning parts, is toxic and flammable. Use only in well ventilated areas. Wear protective goggles and gloves. Do not smoke or allow open flames or sparks in areas where cleaning solvent is used or stored. Avoid contact  with eyes, skin or clothing. If contact with eyes is made, flush with cold water and seek medical attention immediately. If contact with skin or clothing is made, flush with cold water. If you become dizzy while using cleaning solvent, get fresh air immediately. COMPRESSED AIR HAZARD Compressed  air  used  for  cleaning purposes will not exceed 30 psi. Use only with effective chip guarding  and  personal  protective equipment (goggles/shield, gloves, etc.). 6. Clean all parts with clean cloth moistened with cleaning solvent P-D-680. Dry thoroughly with compressed air. Refer to paragraph 2-8. 7. Inspect all parts. Refer to para- graph 2-9. Go to sheet 4 7-48