4
Reinstall the projector mounting plate to the lift. Attach the projector and reinstall the ceiling closure
panel.
CEILING CLOSURE PANEL ADJUSTMENTS
Referring to Figures 2a and 2b, the ceiling closure panel maybe adjusted to flush with the ceiling bottom.
The following steps describe the procedure.
Warning: It is important that regardless of how the ceiling closure panel has been set, the traveling
platform must trips the up direction shut-off switch when the lift retracted to the fully up
position. Failure to perform this check will reduce the motor’s life expectancy and void
warranty.
Note:
When the ceiling closure panel closed either 1/2 inch lower or higher than the ceiling bottom,
adjustments must be done by the four suspended threaded rods.
Figure
2a Figure
2b
Lift partially retracted
Lift fully retracted
1.
Loosen the hex nuts on the upper side holding the slide brackets. Loosen the hex nuts of the ceiling
control bolts.
2.
Retract the lift to the fully up position. Manually level the ceiling closure panel and determine the
amount of adjustment require to make it flush with the ceiling bottom.
3.
Send the lift down. Move the slide brackets and ceiling control bolts according to the amount of
adjustment recorded. Fingers tighten the hex nuts of the slide brackets and ceiling control bolts.
4.
Repeat steps 2 and 3 until the ceiling closure panel becomes flush with the ceiling bottom.
5.
Tighten all hex nuts of the slide brackets and ceiling control bolts.
Caution:
If the ceiling control bolts are set incorrect, the traveling platform may not trips the up
direction shut-off switch.
