TM 10-3930-669-20 (6) Remove nut (14), washer (15), washers (16 and 17), screw (12), and blower belt tensioner pulley (4) from blower belt tensioner (18). (7) Remove    screw    (19)    and    washer    (20)    from blower belt tensioner (18). (8) Remove    nut    (21),    washer    (22),    blower    belt tensioner (18), and preformed packing (23) from engine  (11)  and  stud  (24).    Discard  preformed packing. b.  Cleaning/lnspection. 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 wire connectors and terminals. (2) Do not allow drycleaning solvent to come in contact with preformed packing. 6-15