TM 10-3930-669-20 16-2.    FRONT WINDSHIELD WIPER ASSEMBLY REPLACEMENT/REPAIR (CONT). (2) Remove   lock   nut   (23)   and   link   assembly (24) from motor (25).  Discard lock nut. (3) Remove   three   screws   (26),   lock   washers (27) and motor (25) from motor mount (22). Discard lock washers. (4) Remove nut (28), lock washer (29), and link assembly   (24)   from   pivot   assembly   (30). Discard lock washer. (5) Remove two screws (31), lock washers (32), and  pivot  assembly  (30)  from  motor  mount (22).  Discard lock washers. 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 all metal parts with drycleaning solvent. (2)   Inspect all parts for breaks, cracks, burrs, and sharp edges. (3)   Replace all damaged parts. 16-4