TM 10-3930-669-20 (2) Remove  screw  (3),  lockwasher  (4),  and spacer (5) from alternator (6) and adjustment arm (7).  Discard lock washer. (3) Position  alternator  (6)  towards  engine  (8) and    remove    alternator    belt    (9)    from alternator    pulley    (10)    and    crankshaft pulley (11).  Discard alternator belt. b.  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) Inspect pulleys for cracks or belt residue. (2) Clean metal pulleys with drycleaning solvent and wiping rag. (3) Inspect alternator for cracks or damage. (4) Replace damaged parts or notify supervisor. c.  Installation. (1) Position alternator (6) towards engine (8). CAUTION Make sure belt is not twisted on pulleys or damage to equipment will result. (2) Position alternator belt (9) on crankshaft pulley (11) and alternator pulley (10). (3) Position lockwasher (4), spacer (5), and screw (3) on alternator (6) and adjustment arm (7).  Do not tighten. 7-9