Southbend South Bend 16 SPEED GEARHEAD LATHE SB1053 - Manual (Page 31)

For Machines Mfg. Since 3/11 16-Speed Gearhead Lathe
-29-
P R E P A R A T I O N
10. Move the spindle ON/OFF lever to the OFF
(middle) position, as shown in Figure 33.
8. Set the spindle speed to 40 RPM. You may
have to manually rock the chuck back-and-
forth to make the gears mesh.
a. Turn the two-speed motor switch to the
LOW position.
b. Move the spindle range lever so that
the indicator points to the upper line on
the right—this is the low range for this
motor speed (see Figure 31).
c. Rotate the spindle speed lever so that
the indicator points to the "A".
9. To allow the carriage to move freely when
the handwheel is rotated, disengage the
half nut lever, put the feed control lever
in disengaged position, and make sure the
carriage lock is loose (see Figure 32).
DO NOT use the jog button to help mesh the
gears when changing spindle speeds or range.
This could damage the gears and connected
components.
Figure 33. Spindle ON/OFF lever in the OFF (middle)
position.
Spindle
ON/OFF
Lever
11. Press the STOP button on the control panel
(see Figure 29 on Page 28) to ensure that
the lathe does not unexpectedly start when
connected to power during the next step.
Cross Slide
Disengaged
Feed Control
Lever
Carriage
Engaged
Halfnut
Lever
Disengaged
Figure 32. Carriage controls set for moving the
carriage.
Lock Bolt
Feed Control Lever
Half nut Lever
Carriage
Handwheel
Figure 31. Spindle speed set to 40 RPM.
Spindle
Speed Lever
Spindle
Range
Lever
C
B
A
D
Spindle Speed
Lever at “A”
(40 RPM)
Spindle Range
Lever at the
Low Range
1000 625 375 245 165 100 60 40
2000 1250 750 490 330 200 120 80
D C B A D C B A