TM 10-3930-669-34 3-14.  CRANKSHAFT REPLACEMENT/REPAIR (CONT) c.    Cleaning/lnspection. • Dry-cleaning solvent (P-D-680) is TOXIC and flammable.  Wear protective goggles and gloves; use only in a well-ventilated area; avoid contact with skin, eyes, and clothes; and do not breathe vapors.  Keep away from heat or flame.  Never smoke when using solvent; the flashpoint for type I dry-cleaning solvent is 100°F (38'C) and for type II is 138°F (50°C).  Failure to do so may result in injury or death to personnel. • If personnel become dizzy while using cleaning solvent, immediately get fresh air and medical help.  If solvent contacts skin or clothes, flush with cold water.  If solvent contacts eyes, immediately flush eyes with water and get immediate medical attention. • 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.). (1) Clean all metal parts in dry-cleaning solvent.  Dry thoroughly. (2) Inspect stop rings for defects.  Replace if defective. (3) Check locating pin in crankshaft gearwheel.  It should project 0.67 inch (17mm) from side opposite that bearing identification mark.  If necessary, install a new locating pin. (4) Using magnaflux penetrate, check crankshaft for cracks.  Replace crankshaft if cracked. 3-76