South Bend Tools SB1119, Руководство пользователя, Страница: 25 / 76

South Bend Tools
For Machines Mfd. Since 3/21 Model SB1119/SB1120
-23-
P R E P A R A T I O N
— For SB1120: Verify spindle rotates
counterclockwise when viewed from
above. If spindle rotates counterclockwise,
power supply polarity is correct, proceed
to Step 14. If spindle rotates clockwise,
proceed to Step 9 to correct polarity.
9. Turn FOR/REV switch to OFF position and
allow spindle to come to a complete stop (see
Figure 24).
10. DISCONNECT MACHINE FROM POWER!
11. Remove (4) button head cap screws and
electrical box shown in Figure 26).
12. Swap red wire connected to L1/1 terminal
with blue wire connected to L2/3 terminal on
contactor (see Figure 27).
x 4
Electrical Box Electrical Box
Figure Figure 26. Location of electrical box and button head . Location of electrical box and button head
cap screws. cap screws.
Figure Figure 27. Power supply wire terminals. . Power supply wire terminals.
Red L1/1 Red L1/1
Wire Wire
Connection Connection
Blue L2/3 Blue L2/3
Wire Wire
Connection Connection
— If machine does not start, safety feature
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. Contact Technical Support.
Figure Figure 28. Control panel controls. . Control panel controls.
STOP Button STOP Button
FOR/REV Switch FOR/REV Switch
ON Button ON Button
RPM Adjustment Knob RPM Adjustment Knob
13. Install electrical box and screws removed in
Step 10, and reconnect machine to power
before proceeding to Step 15.
14. Turn FOR/REV switch to OFF position and
allow spindle to come to a complete stop (see
Figure 28).
15. Turn FOR/REV switch to REV position.
Verify motor starts up and runs smoothly
without any unusual problems or noises (see
Figure 28).
16. Verify speed controls by slowly turning RPM
adjustment knob clockwise (see Figure 28).
Rotate dial back and forth to test variable-
speed function.
17. Press STOP button to turn machine OFF
(see Figure 28).
18. WITHOUT resetting STOP button, try to
start machine by pressing the ON button
(see Figure 28). The machine should not
start.