Chief CM2C40U Installation Manual download pdf (Page 15)

Installation Instructions CM2C40

5. Assemble bottom cover to cover mounting plate using

#10-24 screws a minimum of 1/4" plus the thickness of the

cover material long. (not provided). (See figure 25)

Figure 25

Bottom Cover Location Adjustment

The CM2C40 is designed to allow the adjustment of both

"Extend" and "Retract" display travel limits. The CM2C40 is

shipped set at maximum extension and retraction.

NOTE: The mount is designed to continue traveling 1/2" after

the bottom cover makes contact with an object when

being raised. If it is desired to use this feature when

installing the bottom cover a stop bar must be installed

along the top edge of the opening in the ceiling. The

stop bar must span the entire width of the front and

back openings, and protrude outward into the opening

a minimum of 1/2". This 1/2" of travel must be taken into

consideration during mount installation. (see page 10)

There is an upward travel limit adjustment screw and a

downward travel limit adjustment screw located on the top right

hand side of the mount. (See figure 27)

NOTE: 10 full turns of the "Extend" or "Retract" travel

adjustment screws is equal to 1" of display travel.

6. Turning the "Extend" travel adjustment screw clockwise will

increase the amount of display downward travel. Turning

the "Extend" adjustment screw counter-clockwise will

decrease the amount of display downward travel.

7. Turning the "Retract" travel adjustment screw clockwise will

decrease the amount of display upward travel. Turning the

"Retract" adjustment screw counter-clockwise will increase

the amount of display downward travel.

8. Adjust travel until bottom cover is flush with ceiling.

(See figure 26) and (See figure 27)

Figure 26

Cover Mounting Plate

Bottom Cover

#10-24 screw

Figure 27

Opening in Ceiling

Bottom Cover

Stop Bar location if used.

Opening in Ceiling

Stop Bar location if used.

1/2"

TOP VIEW

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Chief CM2C40U Installation Manual Page 15

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