REPLACING
SAFETY AND
PROXIMITY
SWITCHES
Three safety switches are included in
●Safety Switch
If you suspect a problem with the keyed safety switch on the knife guard, check for loose or damaged wires. Replace the switch if wires appear to be undamaged.
●Proximity Switches
The proximity switches on the cutter bushings have LEDs that light when the bushing is sensed. If an LED does not light when the bushing is in place:
1
2
Check for loose or damaged wires.
Remove the cutter bushing and make sure the prox- imity switch is properly positioned, i.e. 0.010 inch from the bushing surface.
3
Remove the proximity switch by loosening the set screw. Test it by bringing some object close to the sensor when the power is turned on. If the LED does not light, replace the proximity switch.
CHECKING THE
SERVO
AMPLIFIER
The servo amplifier is equipped with a digital readout that can be seen through the viewing window on the electrical enclo- sure. This display shows amplifier status and error messages. Refer to the supplier's documentation included with this User Guide.
NOTE: Make sure you look for servo amplifier messages before you shut off the power.
CAUTION: Insure that all personnel involved in the installation, operation and maintenance of this particular cutting machine, as well as those persons who will act as supervisory personnel, have read and fully understand these instructions and those contained in any and all accompany- ing suppliers manuals and instruction sheets before attempting to install, operate or perform maintenance on this machine.
UGE059/1003 |