Optoma HD83 Service Manual page 20

4. Unscrew 4 screws (as red circle).
5. Disassemble system fan and fan bracket.
Note: Take the Fan Module as the right
gesture, Avoid pressing the middle of the
Fan or Blower with great strength. Make
sure Fan or Blower handle method as
right image.
the right gesture
HD83
the wrong gesture
Confidential 2-2