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LIGHT TUNNEL ADJUSTMENT
Screws for light tunnel adjustment
(temporarily fastened without screw lock)
Remove the two screws
Lamp cover 2
Screw-2
Screw-1
1. Replace the light tunnel and assemble the optical unit in the reverse order of removal of the light tunnel. Note that the two
screws for light tunnel adjustment (
a
) should be temporarily fastened and should not be sealed by screw lock.
2. Remove the lamp ASSY (see DISASSEMBLY), lens unit (see DISASSEMBLY), and lamp cover 2 from the optical unit as
shown below.
3. Light the optical unit with a fluorescent lamp and view the light tunnel from the arrow's direction as shown in the left figure
below.
When you can subject the optical unit to enough bright light as shown in the right figure below, you don't need to remove the
lens.
