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For Machines Mfg. Since 8/09
Model SB1027
PREPARATION
Figure 16. Location of the main power switch on the
electrical box door.
Main Power Switch
5. Set the spindle speed to the low range (refer
to the Setting Spindle Speed Range
section beginning on Page 34 for detailed
instructions).
6. Move the downfeed selector to the manual
(forward) position so that the spindle does
not feed into the table during this test (refer
to the Downfeed Operations section on
Page 35 for detailed instructions).
7. Make sure the electrical cabinet door is
latched shut, then rotate the main power
switch to the ON position so that power
flows to the control panel (see Figure 16).
10. Listen for abnormal noises and watch for
unexpected actions from the mill. The
machine should run smoothly and without
excessive vibration or rubbing noises.
— Strange or unusual noises or actions
must be investigated immediately. Press
the emergency STOP button to turn the
machine OFF and disconnect it from
the power source before investigating or
correcting potential problems.
11. Press the emergency STOP button to turn
the machine OFF, then wait for the spindle
to stop on its own.
12. WITHOUT resetting the emergency STOP
button, press the ON button. The machine
should not start.
— If the machine does not start, the
emergency STOP button safety feature is
working correctly.
— If the machine does start (with the
emergency STOP button pushed in),
immediately disconnect power to the
machine. The emergency STOP button
safety feature is not working correctly.
This safety feature must work properly
before proceeding with regular operations.
Call Tech Support for help.
13. Reset the emergency STOP button, turn the
main power switch on the electrical cabinet
door to the OFF position, then press the ON
button. Again, the machine should not start.
— If the machine does not start, the main
power switch safety feature is working
correctly.
— If the machine does start (with the main
power switch turned to the OFF position),
immediately disconnect power to the
machine. The main power switch safety
feature is not working correctly. This
safety feature must work properly before
proceeding with regular operations. Call
Tech Support for help.
8. Push the emergency STOP button in, then
twist it clockwise until it pops out. When
the switch pops out, the mill is ready for
operation.
9. Press the ON button to enable power to flow
through the control panel to the spindle
motor, then turn the spindle direction
switch to the forward (right) position to start
spindle motor.