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13" Heavy 13
Gearhead Lathe
®
Setting Spindle Speed
Selecting one of the 8 spindle speeds available is
a combination of configuring the spindle range
lever and the spindle speed lever shown in
Figure 66.
Speed
Lever
Figure 66. Spindle speed controls.
The spindle speed and range levers control the
gear configuration in the headstock to produce
the selected spindle speed. Refer to the chart
below for the available spindle speeds available.
Low Range (RPM)
80
127
200
320
ALWAYS make sure the spindle is completely
stopped BEFORE using the headstock control
levers to make changes. If the spindle is
rotating when attempting to change the
spindle speed, the headstock gears will suffer
damage!
Operating the lathe at spindle speeds higher
than 350 RPM when the high (H) gearbox
range is selected could result in gearbox
damage. Always use spindle speeds of
350 RPM or lower when using the high (H)
gearbox range.
-50-
O P E R A T I O N
Spindle Range
Lever
High Range (RPM)
488
772
1245
2000
For Machines Mfg. Since 5/11
Configuration Examples
Using the controls on the lathe, follow along with
these two examples for setting the spindle speed
to gain a better understanding of this task.
Setting Spindle Speed of 200 RPM
1.
Make sure the spindle is completely stopped
and the spindle lever is in the OFF (middle)
position.
2.
Move the spindle range lever to the right
so that the arrow on top of its hub points
toward the L (low) label (see the illustrated
in Figure 67).
Note: If necessary, use the chuck key to rock
the spindle back-and-forth to help mesh the
gears as you move the levers.
H
L
Lever Set to 200 RPM
Figure 67. Setting the spindle speed to 200 RPM.
3.
Move the spindle speed lever so that the 200
on its hub is also pointing at the L label.
Note: You will hear a distinctive click when the
spindle speed lever is in the correct position.
The lathe is now set for a spindle speed of 200
RPM.
Spindle Range
Lever Set to LOW
Spindle Speed
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