Spindle Height Controls - Grizzly G0704 Owner's Manual

Spindle Height
controls
the spindle height is controlled by the quill feed
lever and the fine feed knob.
Fine Feed
Knob
spindle
height
scale
Quill
lock
lever
figure 27. spindle controls.
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.
-28-
Quill Feed
lever
Fine Feed
lock
Knob
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).
Fine Feed
Fine Feed
scale
Quill
lock
lever
figure 28. Fine spindle feed controls.
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.
model g0704 (mfg. since 08/11)
Quill Feed
lock
lever
Knob
Fine Feed
Knob