Service manual

LUMISCAN ACR-2000 SERVICE MANUAL - SECTION 8.0 REPLACEMENT PARTS
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6. Without touching the mirrored surface, using the mark on the Post-it note as a
reference, carefully rotate the replicating mirror until the beam spot is centered with
respect to the collection chamber. Don’t worry if the spot is not perfectly aligned
along the y-axis (vertically bisecting the slot itself) and slightly above or below the
mark.
7. Tighten the set screw on the mirror.
8. Replace the access cover. Ensure that all relevant fasteners are secure and
connectors plugged in.
Realign the Galvo motor per Section 5.3 of this manual.
8.4 DRIVE MOTOR/ENCODER ASSEMBLY
Removal
Notice and remember the orientation of the encoder at the end of the drive motor.
Cut the tie-wraps securing the encoder cable and motor cables.
Disconnect the cables from the Film Enc and Film Mtr connectors on the DACQ and feed
them through the hole in the bulkhead. It may be necessary to remove the grommet from the
hole in the bulkhead.
Remove the drive belt.
Loosen the set screw that secures the pulley to the drive shaft.
Remove the pulley from the drive shaft. You now have access to the screws securing the
motor assembly to the adjusting plate.
Remove the three or four (depending on the rev) screws securing the motor assembly to the
adjusting plate.
Remove the drive motor/encoder.
REPLACEMENT
The Drive Motor/Encoder Assembly should be replace in the reverse order that it was
removed, taking care to replace the grommet and securing the cables with tie wraps.