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W1668 13
1
⁄4" Oscillating Drill Press
ADJUSTMENTS
The feed shaft return spring is adjusted at the
factory; however, during the life of the drill
press you may want to adjust the feed shaft
return spring to a stronger return pressure.
To adjust the feed shaft spring tension, do
these steps:
1. UNPLUG THE DRILL PRESS!
2. Wipe off any oil on the spring lock cover so
it will not slip in your fingers when you hold
the cover from spinning (see Figure 24).
3. Rotate the oscillator pulley so the depth stop
reads “0” and the quill shaft is completely
seated, as shown in Figure 25.
4. Put on thick leather gloves and hold the
spring cover against the side of the head-
stock, so the cover stays splined with the
locking lug, and remove the jam nut to
loosen the cover nut approximately
1
⁄4"
(6.4mm).
5. Pull the cover outward just enough to dis-
engage the spring-cover lock slot from the
locking lug (see Figure 26).
6. Rotate the cover counterclockwise to
increase spring tension, or let the cover
slowly unwind in the clockwise direction to
reduce spring tension (see Figure 26).
MAKE SURE your machine is
unplugged during all
assembly, adjustments, or
maintenance procedures.
Otherwise serious personal
injury may occur!
WEAR safety glasses when
adjusting springs. Serious
injury may occur if this
warning is ignored!
Figure 24. Typical feed shaft return spring assy.
Spring Lock
Cover
Cover Nut
Jam Nut
Feed Shaft Spring
Te ns io n
Figure 26. Typical spring cover lock slot and
locking lug.
Spring-Cover
Lock Slot
Locking Lug
Figure 25. Fully seating quill shaft.
Depth Stop
Reads “0”
Rotate Oscillator
Pulley Until
Depth Stop
Reads Zero.