Set-Up, Set-upFor 15 Pounds and Under | Chief Manufacturing CMA-347

Installation Instructions

Model CMA-347

Set-Up

Set-up For 15 Pounds and Under

The mount is shipped pre-assembled for applications under 15 pounds. If the total combined weight of the projector, projector mount, and lower mounting pipe is 15lbs or below, proceed with mount installation.

(see MOUNT INSTALLATION on page 4)

For applications over 15 pounds, proceed to “Set-up For Over 15 Pounds”.

If the mount has been previously set-up to accommodate a weight of 15-35lbs, it needs to be reconfigured to work properly with weights below 15lbs.

To set-up the mount for applications under 15lbs:

1.Un-install mount following the instructions outlined in the Removal section of this document.

(see Mount Removal on page 7)

2.Loosen and remove 1/4-20 Nylock nut (110), 1/4" fender washer (130), and stepped sorbothane damper (40) located underneath mount arm and set aside for reuse. (see figure 3)

3.Slide 1/4-20 x 4" tap bolt (120) upward, out of mount top (10).

NOTE: Make cetrtain hardware group B (see figure 3) and (see figure 4) stays in place when removing 1/4-20 x 4" tap bolt (120) and associated hardware.

4.Remove hardware group A (see figure 3) keeping 1/4-20 x tap bolt (120) for reuse in 0-15lb configuration.

5.Install 1/4" fender washers (130), sorbothane dampers (50), and long medium gauge spring (80), onto 1/4-20 x 4" tap bolt (120). (see figure 4)

6.Insert 1/4-20 x 4" tap bolt (120) with washers and dampers through mount top (10), group B hardware (see figure 6), and mount bottom (20). (see figure 4)

7.Install stepped sorbothane damper (40), fender washer (130), and Nylock nut (110) onto 1/4-20 x 4" tap bolt (120). (see figure 4)

8.Tighten until a slight preload is on the springs.

Repeat steps 2 through 8 for the remaining two hardware sets.