Coarse Downfeed

Use the coarse downfeed lever to quickly move the spindle manually.

To use the coarse downfeed:

1.Make sure the spindle is completely stopped.

2.pull the downfeed selector knob out, then rotate it clockwise until the knob pin seats in the forward manual (disengaged) detent (see Figure 35).

Note: It may be necessary to turn the spindle by hand as you move the selector to enable the gears to mesh.

Manual (Disengaged) Position

Figure 35. Downfeed selector in manual

(disengaged) position.

3.Make sure the pin of the coarse downfeed lever hub is engaged with one of the detents on the downfeed sleeve (see Figure 36).

Coarse Downfeed

Lever Hub & Sleeve

Quill Lock

Lever

Figure 36. Coarse downfeed lever hub,

downfeed sleeve, and quill lock.

Model G0747/G0748 (Mfg. Since 8/12)

4.Make sure the quill lock lever is loose so that the quill can easily move.

5.rotate the coarse downfeed lever around the hub to control the depth of the spindle.

Fine Downfeed

1.Make sure the spindle is completely stopped.

2.pull the downfeed selector knob out, then rotate it clockwise until the knob pin seats in the forward manual (disengaged) detent (see Figure 35).

Note: It may be necessary to turn the spindle by hand as you move the selector to enable the gears to mesh.

3.set the auto-downfeed direction pin in the neutral (middle) position to disengage the fine downfeed handwheel from the auto- downfeed gears.

4.position the downfeed stop for the spindle depth that is correct for your operation, then secure it in place with the locking wheel.

5.use the coarse downfeed lever to lower the spindle slightly until you can pull the fine downfeed clutch lever out to the left and it locks in place. This will engage the fine downfeed handwheel with the quill and spindle.

6.to lower the spindle, rotate the fine downfeed handwheel. When the quill dog meets the downfeed stop, the clutch lever will disen- gage and the spindle will return to the top.

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Grizzly g0748, g0747 owner manual Coarse Downfeed, Fine Downfeed, To use the coarse downfeed