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For Machines Mfg. Since 3/11 Turn-Nado
®
EVS Lathes
-55-
OPERATION
Power Feed Controls
Use Figures 68–72 and the following
descriptions to become familiar with the locations
and functions of the controls that you will use to
set up the correct power feed for your operation.
Note: Before using power feed, you may have to
re-configure the end gears, depending on how
they are set up. Refer to End Gears on Page 58
for detailed instructions.
Gearbox Range Lever: Selects the low or high
feed rate range by re-aligning the headstock
transfer gear. In the middle position, disables
power feed (see Figure 68).
Figure 68. Gearbox range lever.
LOW
HIGH
Neutral
Headstock Feed Direction Lever: Selects the
direction of power feed (see Figure 69).
Note: The spindle must be stopped to use this
lever. When the lathe is running, use the apron
feed direction knob.
Figure 69. Headstock feed direction lever.
FORWARD
REVERSE
Quick-Change Gearbox Feed Levers: Configure
the quick-change gearbox gears for the feed rate
selected per the feed chart (see Figure 70).
Operating the lathe at spindle speeds higher
than 350 RPM could result in gearbox damage
when the high (H) gearbox range is selected.
Always use spindle speeds of 350 RPM or
lower when using a high gearbox range.
Figure 70. Quick-change gearbox controls.
Left
Middle
Right
Bottom
Feed
Chart