background image

Installation of Navitar/NuView Series 634 lens on Mitsubishi model SL25, 
XL25 & XL30 projector

 
TOOLS REQUIRED: PHILLIPS HEAD SCREWDRIVER 
 
Disassembly: 
 

1.  Remove six (6) Phillips head screws from front cover of projector (four in front, one 

on each end). Remove cover and set aside for reinstallation. 

 
2.  Unscrew four (4) Phillips head screws holding prime lens in place and remove prime 

lens.  

 
 
Assembly: 
 

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

head screws supplied, install the adapter correct side up into the projector. 

 
2.  Replace the front cover of the projector and replace the six (6) screws 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! 

 

REV 102802  

 

 

Reviews: