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Craftsman 137.219120 Manual De Operación página 15

Prensa taladradora de 12 pulg

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Idiomas disponibles

Idiomas disponibles

QUILL RETURN SPRING
(FIG. Q, R)
The quillreturn spring may need adjustment if the tension
causes the quill to return too rapidly or too slowly,
1. Lower the table for additional clearance.
2.
Place a pcrewdr_ver in the lower front notch (1) of the
spring cap (2). Hold it in place while loosening and
removing only the outer jam nut (3).
3.
With the screwdriver still engaged in the notch,
loosen the inner nut (4) just until the notch (5)
disengages from the boss (6) on the drill press head.
_vlvl-1_l L'ql_(
CAUTION: DO NOT REMOVETHIS
INNER NUT,
because the spring will forcibly unwind.
4.
Carefully turn the spring cap (2) counterclockwise with
the screwdriver, engaging the next notch.
5.
Lower the quill to the lowest position by rotating the
feed handle in a counterclockwise
direction while
holding the spring cap (2) in position.
6.
If the quill moves up and down as easily as you
desire, tighten the standard nut (4) with the adjustable
wrench. If too loose, repeat steps 2 through 5 to
tighten. If too tight, reverse steps 4 and 5.
DO NOT OVERTIGHTEN and restdct quill movement.
7.
Replace the jam nut (3) and tighten against the
,tandard nut (4) to prevent the standard nut from
eversmg.
Fig. R
3
4
To avoid injury from an accidental start, ALWAYS make
sure the switch is in the =OFF" position, the switch key is
removed, and the plug is not connected to the power source
outlet before making belt adjustments.
BELTTENSION
(FIG. S)
Make sure pulleys are aligned properly as shown in
Figure O on page 13.
1.
To unlock the belt tension, loosen the belt tension
lock knobs (1) on both sides of the drill press head.
2.
Move the motor (2) toward the front of the drill press
to loosen the belt.
3.
Position the belt on the correct pulley steps for the
desired speed.
4.
Pull the motor away from the drill press head until
the belt is properly tensioned.
NOTE: Belt tension is correct if the belt deflects
approximately 1/2 inch when pressed at the center.
5.
Tighten the belt tension lock knobs (1) on both sides
of the drill press head.
Fig. S
1
J
15

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