TM 9-2520-272-34&P 4-21. ASSEMBLE RIGHT END COVER ASSEMBLY (SHEET 2 OF 22) WARNING Dry    cleaning    solvent    P-D-680    is    toxic    and flammable.      To   avoid   injury,   wear   protective goggles  and  gloves  and  use  in  a  well  ventilated area.  Avoid contact with skin, eyes, and clothes, and  do  not  breathe  vapors.    Do  not  use  near open fire or excessive heat.  The flash point  for Type I dry cleaning solvent is 100°F (38°C), and for Type II is 138°F (50°C).  If you become dizzy while  using  dry  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. Install Output Shaft Seal 1 Using wiping rag and solvent, clean output shaft bore (1) in right end cover (2). CAUTION Do not reuse output shaft seal after it has been removed.  Removal of seal destroys dry sealant on outer edge of seal. NOTE * Seal installed numbered side out. * No  lubricant  to  be  added  to  outer  edge  of seal. 2 Using   seal   installer   and   ball   peen   hammer, install  seal  (3)  in  bore  (1).      Seat  seal  flush  to 0.010  inch  (0.254  mm)  below  surface  of  end cover  (2).    Install  Bearing  and  Sleeve  on  RH Output Shaft WARNING Frozen   parts   can   stick   to   your   fingers   and cause   serious   injury.         Always   wear   leather gloves when working with parts that have been frozen in dry ice. 3 Apply  petrolatum  and  lubricating  oil  to  bearing journal of RH output shaft (4). 4 Using arbor press, install bearing (5), numbered end out, on  output  shaft  (4).      Press  bearing  to shoulder. Go to Sheet 3 Para.   4-21, Task 1 Change 2   4-127