TM  10-3930-638-24&P 4-4.    TRANSMISSION    MAINTENANCE    (cont) a. Torque Converter Group (cont). STEP LOCATION ITEM ACTION REMARKS CLEANING WARNING Dry cleaning solvent (P-D-680), used to clean parts is toxic and flammable.  Wear  protective  goggles  and  gloves  and  use  only  in  a well ventilated area. Avoid contact with skin, eyes, and clothes and don’t breathe vapors. Do not use near open flame or exces- sive heat and don’t smoke when using it. Failure to do so could cause serious injury. If you become dizzy while using cleaning solvent, get fresh air immediately, and get medical attention. If contact with skin or clothes is made, flush with large amounts of water. If contact with eyes is made, wash eyes with water immedi- ately,  and  obtain  medical  aid  immediately. WARNING Wear safety glasses when drying parts with compressed air. Fail- ure to do so could cause serious injury to eyes and possible blind- ness. If you hurt your eyes or if a foreign object is blown into your eyes, seek medical attention immediately. 13 All  parts  except  bear- Clean Use  cleaning  solvent  P-D-680.  Immerse ings  (13,31,37,  and parts in cleaning solvent and move up 44), converter hous- and  down  slowly  until  all  old  lubricant ing (51) and reverse and  foreign  material  is  dissolved.  Dry and second clutch parts  thoroughly  after  removal  from assembly (53) cleaning  solvent  with  moisture  free  com- pressed air or clean cloths Clean 14 Bearings Use  cleaning  solvent  P-D-680.  Immerse bearings in cleaning solvent and slowly move up and down. Remove bearings from cleaning solvent and strike larger side of cone flat against a block of wood to  dislodge  solidified  particles  of  lubri- cant. Immerse again in cleaning solvent and repeat above operation until bear- ings are thoroughly clean. Dry using mois- ture  free  compressed  air.  Direct  air stream across bearing to avoid spinning. Don’t spin bearings when drying them; bearings  may  be  rotated  slowly  by  hand to  facilitate  drying 4-142