Grizzly G9972Z, Owner'S Manual

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Model G9972Z (Mfd. Since 03/20)
-19-
3. Move the half-nut lever up to disengage the
half-nut, and push the power feed lever down
to disengage the carriage power feed, as
shown in
Figure 11.
Figure 11. Half-nut and power feed lever
positions for Test Run.
Power Feed
Lever Down
(Horizontal)
Half-Nut Lever
Up (Horizontal)
NOTICE
ALWAYS make sure the power feed lever
and the half-nut lever are disengaged before
starting the lathe to avoid carriage crashes
with the headstock or tailstock.
7. Flip the spindle switch to the center "O" posi-
tion and wait for the spindle to come to a
complete stop.
8. Turn the spindle switch to the left "L" posi-
tion—the spindle should rotate clockwise and
the leadscrew should turn counterclockwise.
9. Press the red button on the motor ON/OFF
switch.
— If the motor stops, the emergency stop fea-
ture of the switch is working as designed.
— If the motor does NOT stop, immediately
disconnect the machine from power. The
emergency stop feature is not working
correctly. This safety feature must work
properly before proceeding with regular
operations. Call Tech Support for help.
10. After successfully completing all the Test
Run steps, proceed to Spindle Break-In.
4. Connect the machine to the power source.
5. Flip the spindle switch to the right "R" posi-
tion—the spindle should rotate counterclock-
wise and the leadscrew should turn clock-
wise.
6. Lift the cover of the motor ON/OFF switch
and turn the motor
ON.
Note: Listen to and watch for abnormal
noises or actions. The machine should run
smoothly with little or no vibration or rubbing
noises.
Strange or unusual noises should be inves-
tigated and corrected before operating the
machine further. Always disconnect the
machine from power when investigating or
correcting potential problems.