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9
Controls
Low/Off/High Switch (A, Figure 8) – located top left side
of the head assembly. Switch between low and high
speed range. In the stop position, the spindle is stopped,
but the machine still has power.
Fine Feed Handwheel (B, Figure 8) – located on the
front lower right of the head assembly. Turn clockwise to
lower the quill. Turn counter-clockwise to raise the quill.
Quill Lock (C, Figure 8) – located on the front lower right
of the head assembly. Turn clockwise and tighten to lock
the quill. Turn counterclockwise and loosen to unlock the
quill.
Speed Selectors (D, Figure 8) – located on the top front
of the head assembly. Used with low/off/high switch and
the speed chart on the front of the head assembly to set
the drill to a specific speed. Caution: Change speeds
only when the machine is stopped.
Depth Stop (GHD-20/20T) (E, Figure 8) - located on the
front bottom of the head assembly. When set, the quill
will only advance to a certain depth.
Depth Stop (GHD-20PF/20PFT) (A, Figure 9) - located
on the downfeed assembly on the right side of the head
assembly. When set, the quill will advance automatically
or manually to a certain depth.
Power Downfeed Speed Selector (GHD-20PF/ 20PFT)
(B, Figure 9) - located on the right side of the head
assembly. Set to advance the quill at desired speed.
Engage the power downfeed by pulling the handle
assembly away from the head. Disengage the power
downfeed by pushing the handle assembly toward the
head. Tighten Lock Screw (C, Figure 9) to lock out the
power downfeed and to keep the drill in manual feed
only.
Figure 7
Figure 8
Figure 9