TM 10-3930-669-20 (4)   Place master cylinder (5) on clean work surface. NOTE Note position of fitting prior to removal. (5)   Remove fitting (2) from master cylinder (5). b.  Cleaning/ Inspection WARNING • 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-cle aning 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 all parts with dry-cleaning solvent. (2)   Do not allow drycleaning solvent to come in contact with rubber parts. (3)   Inspect all parts for breaks, cracks, burrs, and sharp edges. (4)   Replace all damaged parts. c.  Installation. (1)   Install fitting (2) in master cylinder (5) as noted during removal. 11-11