Grizzly G0704 - Manual (Page 30)

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Model G0704 (Mfg. Since 08/11)
changing Spindle position using
fine feed Knob
1. unlock the quill lock lever and tighten the fine
feed lock knob.
2. rotate the fine feed knob to lower or raise
the spindle in small increments. observe the
scale on the knob or the digital readout to
monitor movement in thousandths of an inch
(
figure 28).
3. tighten the quill lock lever to hold the spindle
in a particular position if you choose.
Tip: Milling with the spindle fully extended
can cause tool chatter. For maximum spindle
rigidity when milling, it is better to keep the
spindle retracted into the headstock as far
as possible with the quill lock lever tightened,
and the fine feed knob tightened.
figure 28. Fine spindle feed controls.
Fine Feed
scale
Fine Feed
Knob
Spindle Height
controls
the spindle height is controlled by the quill feed
lever and the fine feed knob.
changing Spindle position using
Quill feed Levers
1. unlock the quill lock lever and loosen the fine
feed lock knob.
2. pull down on any of the coarse downfeed
levers to adjust the vertical position of the
spindle. observe the spindle height scale or
digital readout to monitor movement in inches
or millimeters.
Tip: Milling with the spindle fully extended can
cause tool chatter. For maximum spindle
rigidity when milling, it is better to keep the
spindle retracted into the headstock as far
as possible with the spindle lock and the
downfeed selector knob tightened.
Quill
lock
lever
Quill Feed
lever
figure 27. spindle controls.
spindle
height
scale
Quill
lock
lever
Fine Feed
Knob
Quill Feed
lever
Fine Feed
lock
Knob
Fine Feed
lock
Knob