Craftsman 137.21239 Operator's Manual page 27

SLIDING THE REAR EXTENSION
SUPPORT BAR (FIG. T)
WARNING
!
To avoid possible personal injury
or damage to the miter saw due
to tipping, do not operate the saw
without the Rear Extension Support
Bar.
Loosen the two screws (1) and extend
the rear extension support bar (2) by
sliding it out to match position, tighten
the two screws.
Fig. T
1
2
27