Navitar 642MCL1028 Installation Instructions

Installation of Navitar NuView Series 642 lens on Dukane model ImagePro 8711 

projector. 

TOOLS REQUIRED: PHILLIPS HEAD SCREWDRIVER 

Disassembly: 

1.  Disconnect unit from power source and place projector with lens facing you.  Remove 

two (2) screws (one on each end) holding front cover of projector. Remove screw 

from bottom-center of projector. Remove cover and set aside for reinstallation. 

2.  Remove four Phillips head screws holding prime lens in place and disconnect the 

power cable for the zoom/focus motor and remove prime lens.  

Assembly: 

1.  Ensure that your Navitar lens and its adapter are separate. Using four (4) Phillips 

head screws removed in (2), above, install the adapter correct side up into the 

projector. 

2.  Replace the front cover of the projector removed in step 1, 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!