TM  9-2815-202-34 4-41. BLOWER d. Assembly REPAIR (Cont) NOTE Dowel pins must project 0.320 inch (8.23 mm) from flat face of front end plate  to  assure  proper  alinement  of end  plate  with  housing. (1) (2) (3) If removed, install two dowel pins (39) in each end plate (22 or 23). Pins must project 0.320 inch (8.23 mm) above face of plate. If removed, install two oil strainers (36) and two sleeve bushings (37) in bottom of end plates (22 and 23). Strainer must be flush to 0.015 inch (0.38 mm) below surface. Install two plugs (38) in top of end plates (22 and 23). NOTE Steps (4) thru (6) provide information  to  install  oversized replacement  lip-type  oil  seals  on rotor shafts and end plates. If the ring-type  oil  seals,  carriers,  and collars  are  still  available  from existing stock, proceed to steps (9) thru  (16). (4) (5) (6) (7) (8) 4-240 Support  blower  rear  end  plate  (22), finished surface facing up, on two wooden   blocks. Start oil seal (31 ) straight into bore of end plate with part number facing up (away from bore). Place short end of oil seal installer in oil seal (31 ). Tap oil seal into end plate  (22)  until  shoulder  of  installer contacts  end  plate. To  install  remaining  oil  seals  (31)  in end plates (22 and 23), repeat steps (4) thru (6). Position rotor on two wood blocks under  arbor  press.  Using  oversized seal pilot, press oil seal sleeves (40) on rotor shaft until sleeve contacts rotor.