Craftsman 351.229000 Manual De Instrucciones página 21

DRILLING HOLES TO DEPTH Figure 14-1
MAKE CERTAIN the drill press is disconnected from
the power source.
Figure 13-1
C
C
A
1. Insert the drill bit into the keyless chuck and tighten.
2. Place the workpiece on the drill press table. Raise
the drill press table until the workpiece is 1/8-in.
from the drill bit.
NOTE: Make sure the workpiece is secured to the table
properly.
3. Turn the two knurled stops (A) on the thread depth
scale (B) until the bottom stop is aligned with the
dimension you want to drill on the scale (C).
4. Tighten the top stop against the bottom stop. This
will keep the stops from moving during drilling
operations.
5. Drill a test hole to check the depth.
NOTE: For thru-drilling operations, make sure the table
center hole is aligned with the drill bit.
ADJUSTING RETURN SPRING
The drill chuck will automatically return slowly to its
upper position when the handle is released. The return
spring was properly adjusted at the factory. However, to
adjust, if necessary:
MAKE CERTAIN the drill press is disconnected from
the power source.
21
1. Loosen and remove the hex nut inside of the left
hub (A).
Figure 14-2
E
D
2. Slide hub (A) off shaft (D). Make sure that the
spring housing (B) remains engaged with head
casting (C). See Figure 14-1 and 14-2.
,
While firmly holding the spring housing (B) pull the
spring housing out and rotate it (counter-clockwise
to increase or clockwise to decrease the spring
tension) until the boss (E) is engaged with the next
notch (F) on the spring housing. See Figure 14-2.
IMPORTANT: The return spring is under tension, it will
want to unwind (clockwise). Make sure you have a firm
hold of the spring housing before pulling it out.
4. Replace hub hex nut onto shaft. Tighten nut com-
pletely then back off 1 turn.