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HB91C
VIDEO PROJECTOR CEILING MOUNT
FOR CHRISTIE DIGITAL DS+4K, DS+8K, DW3K, DW6K,
RAPHXMASTER DLV1400-DX, MIRAGE S+2K, S+4K,
G
ATRIX 4000,
M
The Christie HB91C custom video projector ceiling mount is designed to provide fast, simple and secure installation.
Special roll, pitch, yaw and horizontal adjustments simplify projection positioning for image alignment. The HB91C
mount also has positive registration lock so the projector may be removed without losing projector mount
registration.
Unpack and check contents:
(1) Deluxe ceiling mount assembly (7) M10 Flat washers
(1) Custom mounting bracket (7) M10 X 20mm hex bolts
(4) 5/16” flange nuts (7) Nylon Spacers .750”OD X 505”ID X .125”TL
INSTALLATION INSTRUCTIONS
1. Turn your projector upside down.
2. Place 7 Nylon spacers over the 7 threaded inserts in the bottom of the projector (Depending on the model, some
models do not use the center mounting hole).
3. Place the custom mounting bracket on the projector so all six or seven holes in the custom bracket align with the
six or seven mounting inserts in the bottom of the projector.
4. Place (1) M10 flat washer on each of the (7) M10 X 20mm bolts, starting them all by hand and secure them using
the proper size wench. Using the proper wrench, securely tighten all six or seven mounting bolts at this time.
WARNING: IMPROPER INSTALLATION MAY RESULT IN SERIOUS PERSONAL
INJURY! All components must be securely fastened to each other and to the ceiling, AND
the ceiling MUST be capable of supporting 5 times the total weight of the installation. If it
cannot, the ceiling MUST be reinforced.
5. Be sure the method of support you are using for the VCM ceiling mount is securely installed to the ceiling. If not,
the ceiling must be reinforced. Improper installation may result in serious personal injury.
6. Attach the VCM housing to your method of support and tighten firmly so the VCM housing is square to the
screen.
WARNING: Installing a ceiling mount requires the presence of two persons familiar with
mechanical installations. A third assistant is recommended
7. With the help of your one or two assistants, lift the projector and install it on the studs extending from the
mounting plate. Make sure the custom mounting plate is seated in the slots and Tighten securely using the
four 5/16” flange nuts.
For projector alignment see attached sheet.
8802-000182 02/05
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