Kreg KFT4X8 Face-Framing Table - Manual (Page 9)

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Figure 1
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Figure 3
Retracting the Fence
In addition, the squaring fence retracts below the table surface
for use when joining large frames. This allows the frame to
be moved down beyond the left-hand side of the table so that
assembly can continue down the right-hand side of the table on
extremely large frames.
To retract fence for large frames:
1) Loosen locking knobs on side of fence
2) Lift fence up and down to move out of the way
3) Slide frame over the edge as needed
Loosen locking knobs on side of fence
Lift fence up and down to move out of the way
Slide large frame over the edge of the table as needed.
Operating Instructions - Retracting the Fence 8.