TM 10-3930-669-20 (3) Remove  screw  (12)  and  lever  assembly  (13) from heater valve (14). (4) Remove  two  screws  (15),  washers  (16),  and bracket (17) from heater valve (14). WARNING Fuel and oil are slippery and can cause falls. To  avoid  injury,  wipe  up  spilled  fuel  or  oil with rags. NOTE •  Tag    and    mark    all    wires    and    hoses    prior    to removal. •  Inspect  all  hoses,  lines,  and  fittings  for  cracks, bends,  nicks,  dents,  stripped  threads,  and  cuts. Replace all damaged parts. (5) Remove hollow screw (18), two seals (19), and fitting   (20)   from   heater   valve   (14).      Discard seals. (6) Remove  two  screws  (21),  washers  (22),  and throttle  cable  bracket  (23)  from  heater  valve (14). 16-33