Craftsman 113.213151 Owner's Manual page 15

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2. Slide the chuck up over the arbor as illustrated. SPINDLE
CHI
3. Unlock support lock and raise table so its about
two (2) inches below tip of chuck.
4, Turn chuck sleeve clockwise and open jaws in
chuck completely.
5, Turn feed handles counterclockwise and force
chuck against table until chuck is secure.
SUPPORT
LOCK
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HANDLE
!5
CHUCK
SLEEVE