2.1 INSTALLING THE PCNC 440 DOOR SWITCH KIT
Installing the PCNC 440 Door Switch Kit involves the following
steps.Complete them in the order listed:
lStep 1: "Install the Door Switches" (below)
lStep 2: "Install the Safety Screws" (on the next page)
lStep 3: "Make Electrical Connections" (on the next page)
lStep 4: "Verify the Installation" (page5)
2.1.1 Install the Door Switches
1. Power off the machine and the PathPilot® controller.
a. Push in the Emergency Stop button on the operator box,
which disables movement of the axes and the spindle.
b. From the PathPilot® interface, click Exit.
c. Turn the Main Disconnect switch to Off on the side of the
electrical cabinet.
2. Identify the orientation of the door switches:
lThe door switch with the shorter wires is installed on the
right side of the enclosure.
lThe door switch with the longer wires is installed on the
left side of the enclosure.
3. Open both doors on the enclosure.
4. Remove three 10-32 × 3/8-inch flat-head Phillips screws and
three 10-32 nuts that secure the two top door hinges to the
enclosure. Then, discard the screws, and set aside the nuts.
5. Align the holes on the door switch with the holes in the door
hinge.
6. Use the three provided M5 flat-head machine screws to
secure the door switch in place.
Figure 2-1: Example of the door switch installed as viewed
from the inside of the enclosure.
7. Use a small, flat-blade screwdriver to loosen the three set
screws on each top door hinge.
8. Slide a magnet bracket between each door window and top
door hinge.
Figure 2-2: Example of an installed magnet bracket.
9. Tighten the three set screws on each door hinge to secure
the magnet brackets to the door windows.
NOTICE! Tighten the screws finger-tight to avoid over-
tightening.
10. Close each door on the enclosure, and make sure that the
magnet contacts the door switch.
11. Identify four #10-32 Phillips head screws on the enclosure as
shown in the following image.
Figure 2-3: #10-32 Phillips head screw locations on the
enclosure.
12. Use four #10-32 nuts that you set aside in Step 4 to attach
four cable tie holders to the inside of the enclosure at the
locations that you identified in Step 11.
13. Put four cable ties into the four cable tie holders.
14. Route the wires from the door switches to the right side of
the enclosure and toward the electrical cabinet.
15. Use the cable tie holders to secure all door switch wires in
place.
Page 3
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Specifications subject to change without notice.
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TD10482: Owner's Guide: PCNC 440 Door Switch Kit (0718A)
TECHNICAL DOCUMENT
