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Grizzly G9986 User Manual

Page 24

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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.