TM9-2815-202-34 6-11.  AIR  BOX  HEATER  REPLACEMENT  (Cont) IGNITION   COIL a.  Removal NOTE Remove wire (39) from air box heater during air box heater removal. (1) Disconnect wire (39) from ignition coil (12). NOTE Remove nut, Iockwasher, and harness leads from stud (16) and remove connector (11) from coil (12) during pump and motor assembly removal. (2) Remove Iockwasher (55), flat washer (56), ignition coil (12) with tension clip (57), and spacer  (58)  from  stud  (16).  Discard  Iockwasher. (3) Remove ignition coil (12) from tension clip (57). (4)  If  necessary,  remove  stud  (16)  from  cylinder  head. c. Cleaning/Inspection l l (1) (2) WARNING Dry  cleaning  solvent  P-D-680  is  toxic  and  flammable.  Wear  protective goggles  and  gloves  and  use  only  in  a  well-ventilated  area.  Avoid contact with skin, eyes, and clothes and don’t breathe vapors. Do not use  near  open  frames  or  excessive  heat.  The  flash  point  is  100°F- 138°F  (38^oC-50^oC).  If  you  become  dizzy  while  using  cleaning  solvent, get fresh air immediately and get medical aid. If contact with eyes is made,  wash  your  eyes  with  water  and  get  medical  aid  immediately. Compressed  air  used  for  cleaning  purposes  will  not  exceed  30  PSI. Use  only  with  effective  chip  guarding  and  personal  protective equipment  (goggles/shield,  gloves,  etc). Clean  outside  surface  of  ignition  coil  with  cleaning  solvent  and  dry  with  compressed  air. Inspect  ignition  coil  for  cracks,  oil  seepage,  or  damage  to  electrical  connectors. e.  Test/Adjustment (1) Connect wire (39) to ignition coil (12) and terminal nut pin (40) on air box heater assembly (42). (2) Connect air box heater assembly (42) to common ground. WARNING Do not touch ignition coil or air heater assembly while performing test. High  voltage  is  present.  Personal  injury  may  result. 6-22