Grizzly G0967 Owner's Manual page 22

8. Press ON button (I) to turn machine ON (see
Figure 21). Power light will illuminate. Verify
motor starts up and runs smoothly without
any unusual problems or noises.
Figure 21. Location of ON/OFF buttons and
power light.
9. Observe sanding disc rotation direction. Disc
should rotate in same direction as disc rota-
tion arrow (see Figure 22).
— If disc rotates in same direction as disc
rotation arrow, proceed to Step 14.
— If disc does not rotate in same direction as
disc rotation arrow, phase polarity of motor
needs to be reversed. Proceed to Step 10.
Disc Rotation Arrow
Figure 22. Location of disc rotation arrow.
-20-
ON Button
Power Light
OFF Button
10. Press OFF button (see Figure 21) and
DISCONNECT MACHINE FROM POWER!
11. Use electrical cabinet key to open electrical
cabinet door.
12. Swap any (2) motor wires connected to bot-
tom of inverter labeled U1, V1, and W1 (see
Figure 23).
Inverter
Figure 23. Location of U1, V1, and W1 wires
(inverter cover removed for clarity).
13. Close electrical cabinet door and reconnect
machine to power. Repeat Steps 8–9.
14. Verify speed controls by slowly turning vari-
able-speed dial clockwise. Rotate dial back
and forth to test variable-speed function.
15. Press Stop button to turn machine OFF.
16. WITHOUT resetting Stop button, try to start
machine by pressing ON button. Machine
should not start.
— If machine does not start, safety fea-
ture of Stop button is working correctly.
Congratulations! Test Run is complete.
— If machine does start, immediately turn it
OFF and disconnect power. Safety feature
of Stop button is NOT working properly
and must be replaced before further using
machine.
Model G0967 (Mfd. Since 06/23)