KNOVA KN DP-2500N Manual Del Usuario página 11

ASSEMBLY AND ADJUSTMENTS
Fig. N
To prevent personal injury, always
W A R N I N G
disconnect the plug from the power
source when making any adjustments.
SPINDLE / QUILL (FIG. O)
Rotate the feed handles counterclockwise to lower spindle to
its lowest position. Hold the chuck and move it front to back.
If there is excessive play, proceed with the following adjust-
ments:
1. Loosen the lock nut (1) located on the right side of the
drill press.
2. Turn the screw (2) clockwise to eliminate the play, but
without obstructing the upward movement of the spindle.
(A little play in the spindle is normal.)
3. Tighten the lock nut (1).
Fig. O
QUILL RETURN SPRING (FIG. P)
The quill return spring may need adjustment if the quill return
speed is too rapid or too slow.
1. Lower the table for additional clearance.
2. Place a screwdriver 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.
NOTE: DO NOT REMOVE THIS INNER NUT, because the
spring will forcibly unwind.
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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 you desire, tighten the
inner nut (4) sung against the spring cap and secure the
outer nut (3) against the inner nut with the adjustable
5
wrench.
NOTE: DO NOT OVERTIGHTEN and restrict quill movement.
4
"OFF" position, the switch key is removed, and the plug is
not connected to the power source outlet before making
belt adjustments.
BELT TENSION (FIG. Q)
1. To unlock the belt tension, turn the belt tension lock knob
1
(1) on the right side of the drill press head counterclockwise.
2. Pull the motor (2) toward the front of the drill press to
loosen the belt tension.
3. Position the belt on the correct pulley steps for the
desired speed.
4. Push the motor away from the drill press head until the
belt is properly tensioned.
NOTE: Belt tension is correct if the belt deflects approximate-
2
ly 1/2 inch when pressed at its center.
5. Tighten the belt tension lock knob (1) to secure the motor
in position.
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5
Fig. P
3
To avoid injury from an accidental start,
W A R N I N G
ALWAYS make sure the switch is in the
1
6
4
1
2
2
Fig. Q