Southbend SB1053F Turn-X Benutzerhandbuch

-52-

For Machines Mfg. Since 3/11

16-Speed Gearhead Lathe

Selecting one of the 16 spindle speeds available is 
a combination of configuring the two-speed motor 
switch, the spindle range lever, and the spindle 
speed lever shown in Figure 73.

The spindle speed and range levers control the 
gear configuration in the headstock to produce 
the selected spindle speed. The spindle range 
lever selects speeds in the low or high range to be 
available for the spindle speed lever. The spindle 
speed lever selects one of the speeds available in 
the active spindle speed range.

Use the following examples to better understand 
how to read the spindle speed chart and 
configure the controls for the correct speed.

Make sure the spindle is completely stopped 
and the spindle ON/OFF lever is in the OFF 
(middle) position.

Turn the motor switch to the LOW (left) 
position. This will make the speeds in the top 
row of the spindle speed chart available (see 
Figure 74).

  Move the spindle range lever so that the 

indicator points to the upper line (see the 
illustration in Figure 75). This will make 
the first four or lower speeds in the top row 
of the chart available.

If necessary, use the chuck key to rock 

the spindle back-and-forth to help mesh the 
gears as you move the levers.

Spindle Speed

Lever at “A”

(40 RPM)

Spindle Range

Lever at the

Low Range