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-34-
For Machines Mfg. Since 3/11
Turn-Nado
®
Gearhead Lathes
PREPARATION
Note: The spindle clutch is tight when new
and may require moderate pressure on the
spindle lever to engage it until it is broken
in.
13. Move the spindle lever down to start the
spindle rotating counterclockwise (down
toward the front of the lathe).
— If the spindle rotates in the opposite
direction (clockwise), the power supply
phase polarity may be incorrect. Refer to
Correcting Phase Polarity on Page 92
to resolve this.
14. Observe the lathe and listen for any
abnormal noises or vibration. The lathe
should run smoothly.
15. Move the spindle lever to the OFF (middle)
position, let the spindle come to a complete
stop, then move the lever up to reverse
spindle rotation.
16. Push the STOP button. The spindle should
come to a slow stop.
17. With the STOP button pushed in, attempt
to start spindle rotation—the spindle should
not start.
— If the spindle does start, the STOP button
is not working properly. This safety
feature must operate properly before
continuing. Turn the master power switch
OFF, disconnect the lathe from power,
then call Tech Support for help.
18. Move the spindle lever to the OFF (middle)
position, reset the STOP button by twisting
it clockwise until it pops out, push the
spindle motor ON button, then restart
spindle rotation by moving the spindle lever
down again.
19. Press the foot brake. The spindle should
come to a quick stop.
— If the foot brake has no effect on the
stopping speed of the spindle, push the
STOP button to stop the lathe, disconnect
it from power, and call Tech Support for
help.
20. Push the STOP button to prevent an
accidental start-up.
21. Remove the end gear cover from the left side
of the headstock. There is a safety switch
that prevents the spindle from starting while
this cover is removed.
22. Reset the STOP button, push the spindle
motor ON button, stand away from all the
exposed gears on the side of the headstock,
then attempt to start spindle rotation—the
spindle should not start.
— If the spindle does start with the end gear
cover removed, the safety limit switch is
not adjusted or operating correctly. This
safety feature must operate properly
before continuing. Press the STOP button
to turn the lathe OFF, disconnect it from
power, and call Tech Support for help.
23. Push the STOP button in, move the spindle
lever to the OFF (middle) position, push the
spindle motor OFF button and wait for the
V-belts to stop, then replace the end gear
cover.
24. Reset the STOP button, press the spindle
motor ON button, then lift the chuck guard
up—this will activate the chuck guard safety
switch to prevent spindle rotation. Attempt
to start spindle rotation—the spindle should
not start.
— If the spindle does start with the chuck
guard in the up position, the safety switch
is not adjusted or operating correctly.
This safety feature must operate properly
before continuing. Press the STOP button
to turn the lathe OFF, disconnect it from
power, and call Tech Support for help.
25. Move the chuck guard back down into
operating position.
26. Point the coolant nozzle down into the chip
drawer and verify that there is coolant in the
reservoir (refer to Coolant System Service
on Page 74 for detailed instructions).