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).
Figure 25. Loosening cover and jam nut
4.Put on heavy leather gloves.
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.
5.Pull the cover outward just enough to disengage the
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
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.
Model G9986 8" Drill Press