Cam,Top Door Closer SVCE (611,650,501R,501F,511,
          550, 550SS, 201R, 201FD, 201RIM,
          2011ICE, 2711, 2811, 801)
    NOTE: FOR CARBON UNITS, SEE 3420691.
  611     Use Regardless of Serial Number.
  650     Use Regardless of Serial Number.
  501R    Use Prior to #M834654/P835904. Starting
          With #M834654/P935904 see 4201113.
  501F    Use Prior to #M834904/P836154. Starting
          With #M834904/P936154 see 4201113.
  511     Use Regardless of Serial Number.
  550     Use Regardless of Serial Number.
  550SS   Use Regardless of Serial Number.
  201R    Use Starting With Serial #338384.
  201FD   Use Starting With Serial #338384.
  201RIM  Use Starting With Serial #338384.
  2011ICE Use Starting With Serial #338384.
   2711   Use Starting With Serial #338384.
   2811   Use Starting With Serial #338384.
   801    Use Starting With Serial #M749823.