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Installation of Navitar/ NuView Series 635 lens on Hitachi model CP-
X880 & CP-X885 projectors

 
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 (Except on MCZ275) 

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!  On MCZ275 models, twist the knurled inner ring 
to zoom and twist the knurled outer ring to focus the lens. 

 

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