P/N 80679, Rev. 10 Page 53
3.13 BACKFACING ATTACHMENT
FIGURE 3-42. BACKFACING ATTACHMENT ON SURFACE MOUNT MACHINE
The optional backfacing attachment is used for surfacing the underside or backside of
flanges, a typical application on heat exchanger tube sheets and some crane pedestals.
The backfacing attachment can only be used with either the ID chuck or the
surface mount.
Assembling the backfacing attachment
Do the following to assemble the backfacing attachment:
1. Assemble the FF6300 machine using the ID chuck or surface mount.