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Model G9986 8" Drill Press
Figure 25. Loosening cover and jam nut
3. While holding the spring lock cover against
the side of the head stock so the cover stays
splined with the locking lug; loosen the jam
nut and loosen the cover nut approximately
1
⁄4" (see Figure 25).
5. Pull the cover outward just enough to
disengage the spring-cover lock slot from the
locking lug.
Important: It is important to keep a good grip
during this step. Letting go of the cover will
cause the spring to rapidly uncoil, which may
cause injury and is difficult to reassemble.
6. Rotate the cover counterclockwise to increase
spring tension, or let the cover slowly unwind
in the clockwise direction to reduce spring
tension.
7. Engage the next available spring-cover lock
slot with the locking lug and hold the spring
lock cover tightly against the side of the head
stock.
8. Snug the cover nut against the spring cover
just until the nut stops, and then back off
the nut approximately
1
⁄3 turn, or just enough
so there is no binding at complete spindle
travel.
9. Hold the cover nut and tighten the jam nut
against the cover nut.
A high tension coiled spring is underneath
the cover. Wearing heavy leather gloves
helps to protect your hands from possible
lacerations if the spring uncoils during the
next step.
4. Put on heavy leather gloves.