Smart Technologies Parts Kit for SMART Board 560 Configuration And User's Manual page 61

4. If you use a projector padlock, make sure
that you remove it from the locking loop. If
you need access to your projector locking
screw, loosen the wingnut, slide the
projector all the way back away from the
interactive whiteboard's screen, and then
tighten the wingnut.
5. Remove the one screw on the bracket
with a Phillips® No. 2 screwdriver. The
projector may drop freely if it is moved
around with the screw not in place.
Use two hands when removing the
projector from the boom. Put the screw in
a safe place.
6. Carefully unhook the projector from the
hooks on the projector boom. Lay the
projector flat on your work area so that the
warning lights face upward.
99-00964-20 A0 Appendix B: Replacing Your UF55 Projector Lamp 51