Heat Exchanger,Ref SVCE (532, 561, 590)
  532     Use From M681566/P612141 to M/P964769.
          Use From Serial #965070 to #990699.
          Use From Serial #991000 to #1004774.
          See 7015718 For Additional Serial Breaks
  561     Use Prior to Serial #965470.
          Use From Serial #965870 to #1004774
          From #965470 to #965869 Use 7015840.
          From #1004775 to #1198139 Use 7015840.
          From #1198140 to #1200489 Use 7014690.
          From #1200490 to #1203139 Use 7015840.
          Starting with #1203140 Use 7014690.
  590     Use Prior to Serial #P965870.
          Use From #966270 to #1004774
          From #965870 to #966269 Use 7015840.
          From #1004775 to #1197839 Use 7015840.
          Starting With #1197840 Use 7014670.