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Model G0795 (Mfd. Since 02/15)
-27-
Using Tapping Mode
When the mode switch is set to "Tap," the spindle
rotates clockwise as the tap is lowered into the
predrilled hole in the workpiece. Once the depth
stop is reached, the spindle automatically chang-
es directions and rotates counterclockwise to
unthread the tap from the hole.
Important: Pilot holes must be drilled prior to
beginning any tapping operation.
To use the tapping mode:
1. DISCONNECT MACHINE FROM POWER!
2. Clamp workpiece to work table.
3. Install tap.
4. Select spindle speed of 115 RPM (see Setting
Spindle Speed on Page 26, if necessary).
5. Loosen quill lock lever and downfeed selector
knob until coarse downfeed handle moves up
and down freely.
6. Adjust headstock elevation (if necessary), so
tap is just above workpiece.
7. Set depth stop (see Figure 26) to workpiece
hole depth.
8. Apply any appropriate tapping fluid to contact
point on workpiece.
9. Connect machine to power.
10. Rotate mode switch to "Tap."
11. Press "Left" button to engage spindle.
12. Using coarse downfeed handle, slowly lower
tap into hole until tap begins threading into
workpiece. Release the coarse downfeed
handle, allowing tap to travel downward on its
own.
Tap will self-thread until the depth stop is
reached. When depth stop is reached, spin-
dle rotation will automatically reverse and tap
will unthread from hole.
13. Turn machine OFF.
Figure 26. Locations of controls for tapping
operation.
Depth
Stop
Adjustment
Knob
Mode
Switch
Quill Lock
Lever
Downfeed
Selector
Knob