
8.0 Maintenance Guide
Figure 34 – Leadscrew and Backgauge Guide
8.4 Adjustments
Several of the following tests require the machine to be operational
for checking and adjusting. Be very careful that tools and other people are clear of moving
parts and that the cutter is not accidentally operated while adjustments are being made.
Whenever working on the machine, disconnect the power and lock it out (see SAFETY
PRECAUTIONS, page 5) unless the directions specifically require the machine to be powered.
8.4.1 Electric Eye Alignment
If your machine is equipped with electric eyes, the alignment can be checked as follows:
Turn on the power switch, and make sure there are no obstructions between the electric eyes.
• If the green and yellow lights on the electric eyes are on solid, then the eyes are in proper
alignment.
• If the red light is on and the yellow light is off or flashing, then the eyes either blocked or not
aligned properly.
If alignment is necessary, loosen the screws that attach the electric eye brackets to the table
extensions. Adjust until the green and yellow lights are on solid as described above and tighten
screws.
8.4.2 Backgauge Gib Adjustments
If the backgauge does not stay squared or jumps up and down when jogging paper against it, the
backgauge gib screws are probably loose or worn.
To Adjust:
1. Send the backgauge near the rear of the table.
2. Turn off the power and disconnect the power cord.
3. Remove the leadscrew cover under the table.
4. Loosen the two side gib screws and the bottom nylon guide screws (Figure 35, next page).
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