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Optoma BX-AL133B User Manual and Installation Guide, Version 1.0, copyright Nov, 2008, all rights reserved, Panamorph Inc.
Page 5
HD82, HD808, HD8200
B M6x45 5/8” (4)
HD86 C M4x30 5/8” (3)
CONNECTING THE AKPro ATTACHMENT PLATE
(Chief RPA mount and Phillips screwdrivers required)
1. Position the projector bottom-up. Consult the Attachment Plate Diagram for plate orientation,
hole positions and required screws and spacers for your projector model. Insert and tighten
each screw through an appropriate silver washer and lock washer, the designated holes in the
Attachment Plate, then through any required spacers and finally into the projector ceiling mount
holes.
2. Using the included gold hex key, install the six 7/8” socket head screws each through a 3/8”
aluminum spacer and into the six threaded holes from the ceiling side of the attachment plate.
Thread only enough to extend the screw to the bottom of the plate.
3. Insure that the RPA mount head is secure (see instructions included with the RPA mount)
and oriented properly relative to the 7/8” socket head screw heads so that the mounted
projector will face the screen. Use two people to lift and position the projection assembly so that
the heads of each of the 7/8” socket head screws rest within the matching final location of the
RPA mount head. At this point the silver 3/8” spacers should be between the Attachment Plate
and the RPA mount head. The projection assembly may be lowered to allow the 7/8” screw
heads to rest on the RPA mount. However, a first person should continue to guide the
projection assembly while and a second person uses the gold assembly wrench to tighten the
7/8” screws. When tightening these screws, do so in a pattern of incrementally driving each
screw a little more into the attachment plate so that at any time the projection assembly is
resting on as many screw heads as possible until all are tightened.
If the lens must be removed for any length of time it is recommended that a similar weight be
suspended from the front of the attachment kit to balance the weight of the projector. This will
minimize unusual stresses on the ceiling mount system.