TM  9-2815-202-34 b. c. Cleaning/Inspection WARNING l Dry  cleaning  solvent  P-D-680  is  toxic  and  flammable. goggles  and  gloves  and  use  only  in  a  well-ventilated Wear protective area. Avoid contact  with  skin,  eyes,  and  clothes  and  don’t  breathe  vapors.  Do  not use  near  open  flame  or  excessive  heat.  The  flash  point  is  100^oF-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. l 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.). (1) Clean all parts with dry cleaning solvent and dry with compressed air. Inspect all parts. (2) Inspect all bearings and shafts for corrosion, pitting, rough spots and excessive wear. (3) Inspect governor housing for cracks, warpage, and damaged threads. (4)  Inspect  governor  weights  after  assembly  for  free  movement. (5)  Inspect  governor  cover  for  cracks,  wear  on  pins,  or  shaft  deflection. Assembly (1) (2) (3) (4) (5) (6) For models 7083-7391 and 7083-7396 only, install external starting aid screw (86) through inside of governor housing (3) and secure nut (87) on outside of governor housing. If removed, install pin (59) in operating  lever  (61). Install  adjusting  screw  (85)  and locknut (84) in operating lever (61). Coat  inside  diameter  of  operating shaft upper bearing (83) with engine oil. Using an arbor press, install upper bearing  (83),  numbered  side  up,  on large end of operating shaft (78). Using  an  arbor  press,  install operating lever (61 ), with pin (59) facing up, onto operating shaft (78), alining flat on lever with flat on shaft, until flush with operating shaft (78). Install  spacer  (82)  onto  operating shaft  (78). C h a n g e     1 5-69