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Installation of Navitar/NuView Series 633 lens on Sharp model PG-C45,
XG-C50, C55, C58, C60 & C68 projectors.
TOOLS REQUIRED: PHILLIPS HEAD SCREWDRIVER, SMALL FLATHEAD
SCREWDRIVER
Disassembly:
1. Disconnect unit from power source and place projector with lens facing you. Place
flathead screwdriver in cover slot about three inches behind lens front and gently
depress retainer. Lens cover should slide forward with ease. Remove cover and set
aside for reinstallation.
2. Gently depress center section of lower lens cover and remove. Set cover aside for
reinstallation.
3. Remove four Phillips head screws holding prime lens in place and remove prime
lens.
Assembly:
1. Ensure that your NuView lens and its adapter are separate. Using four (4) Phillips
head screws removed in (3), above, install the adapter correct side up into the
projector.
2. Replace the front lower and upper cover of the projector removed in step 1 and 2,
above.
3. To focus, gently twist the front of lens. To zoom, loosen thumbscrew and twist
knurled ring (zoom lenses only, of course). Re-tighten thumbscrew. CAUTION: Do
not twist entire lens out of adapter!