With ActiveDocument.Tables(1)
  With .Cell(1, 3).Range
    .Text = "Precon Cycles 6"
    .End = .End - 3
    With .Font
      .Underline = wdUnderlineSingle
      .Bold = True
    End With
  End With
  With .Cell(2, 3).Range
    .Text = "Precon Temp 260"
  End With
End With