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For Machines Mfg. Since 3/11 Turn-Nado
®
Gearhead Lathes
-33-
PREPARATION
7. Move the gearbox range lever on the
headstock to the neutral (middle) position to
disable power feed, as shown in Figure 27.
Figure 27. Gearbox range lever in neutral.
LOW
HIGH
Neutral
8. Pull up on the half nut and the feed ON/OFF
levers (see Figure 28), then use the carriage
handwheel to move the carriage back and
forth to ensure that it is not engaged with
the leadscrew or feed rod.
Note: Steps 7–8 will ensure that the carriage
and cross slide do not unexpectedly move
during the following steps.
9. To prevent the spindle from rotating when
power is applied to the motor, move the
spindle lever to the OFF (middle) position
(see Figure 28).
10. Turn the master power switch ON, then
reset the STOP button by twisting it
clockwise until it pops out. The power lamp
on the control panel should illuminate.
11. Push the spindle motor ON button and wait
for the motor to reach full speed.
12. Verify that oil is flowing against the
headstock sight glass shown in Figure 29.
Figure 28. Apron controls for test run.
Half Nut Lever
Spindle
Lever
Feed ON/OFF
Lever
Engaged
Disengaged
Engaged
Disengaged
Half Nut Lever
and Half Nut
Feed ON/OFF
Lever
— If oil flow is not visible in the sight glass,
push the STOP button, disconnect the
lathe from power, then make sure the oil
tank is properly filled (see Headstock in
the Lubrication subsection on Page 68
for details).
— If the oil tank is correctly filled and oil
flow is still not visible in the sight glass,
disconnect the lathe from power and call
Tech Support for help.
Figure 29. Headstock oil sight glass.
Headstock Oil
Sight glass