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Aligning Reference
Laser
REFLECTED EXPOSURE!
Operator and bystanders
MUST wear ANSI-approved
eye protection rated for
650 nm CLASS 3B lasers
when servicing reference
laser. NEVER look directly
into laser beam or stare at
laser contact point, or eye
injury may occur!
The reference laser is a low-power, 650 nm
Class 3B red laser used as a visual indicator of
the laser beam focal point. The beam is reflected
off an anti-reflective lens, directed through the
cabinet by three mirrors, then passes through the
focus lens to the focal point (see Figure 133).
IMPORTANT: The reference laser should only be
used as a guide and is not a suitable substitute for
verified laser beam path alignment.
Mirror #1
Anti-Reflective Lens
Reference Laser
Reference Laser Path
Mirror #2
Laser Head
Assembly
Figure 133. Reference laser path through
cabinet (primary laser orientation shown).
Items Needed
Additional Person ............................................... 1
Class 3B Laser Eye Protection (per person) ...... 1
To align reference laser:
1.
Perform Steps 1–35 of Aligning Laser Beam
Path beginning on Page 71.
-80-
AVOID DIRECT OR
Laser Tube
Mirror #3
Focus Lens
Focal Point
Qty
2.
G0913/G0914 Only: Perform Steps 1–25
of Aligning Secondary Laser Beam Path
beginning on Page 75.
3.
Locate reference laser (see Figure 134).
Reference Laser
Laser Tube
Figure 134. Reference laser components.
4.
Locate (3) thumbscrews behind reference
laser used to adjust beam path through cabi-
net (see Figure 135).
Mounting
Screw
Figure 135. Reference laser adjustment.
5.
With help from an additional person, rotate
thumbscrews behind reference laser until
laser beam focal point matches "Correct
Focus" example in Figure 130 on Page 79.
— If reference laser focal point is dark and
even, alignment is complete.
— If reference laser focal point is not dark
and even, repeat Step 5.
6.
G0913/G0914 Only: Align second reference
laser on opposite #1 mirror assembly.
Model G0911–G0914 (Mfd. Since 05/21)
#1 Mirror
Assembly
Anti-Reflective
Lens
Thumbscrew
(1 of 3)
Reference
Laser
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