TM 10-3930-669-20 10-2.  DRIVE AXLE OIL COOLER REPLACEMENT/REPAIR (CONT). b. Disassembly. (1)   Remove four nuts (16), washers (17), screws (18), and oil cooler (19) from panel (20). (2)   Loosen fitting (21) and remove elbow (22) from oil cooler (19). (3)   Remove elbow (23) from oil cooler (19). c.  Cleaning/Inspection. WARNING • Drycleaning 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 drycleaning 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. (1)   Clean sealing compound from four screws with drycleaning solvent.  Allow to air dry. (2)   Inspect all parts for cracks. (3)   Replace damaged parts or notify supervisor. 10-4