PL1220 Owner’s Manual
38
Loosen and tighten the small set screw on the end of the cathode
terminal. DO NOT break it off.
8. Connect the low voltage (-) terminal (right side, anode side) to the power supply according to
the wiring diagram in this manual.
a. Use the wire with the alligator clip.
9. Re-install the top mounts and fasten the laser tube in place.
10. Slightly tighten the tube top lock screw to give slight pressure to the laser tube.
a. The top mounts need to be snug against the tube.
11. Measure and adjust the tube height adjustment dials until the laser tube is firing perfectly
straight.
CAUTION
Verify the tube height lock screws are loose.
If using a level, verify that the laser machine is on a level
surface. It is crucial that the laser tube is parallel to the
chassis of the machine.
The first step of mirror alignment is to make certain that the
tube is parallel to the chassis of the machine such that the
mirrors can then be aligned to that plane.
12. Tighten the tube height lock screws using an Allen key.
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