
26490169
4500 Series Surface Vertical Rod Exit Device
Installation Instructions
Grade 1
I-ED00792
REV 5 Page 11 of 13
14. INSTALL COVERS
Install chassis head cover and both top and bottom latch covers.
HEAD COVER
HEAD COVER PLUG
HEAD COVER PLUG
INSTALLED
Install Head Cover Plug (FOR LBR DEVICES ONLY):
A. Slide the head cover plug in the bottom slot on the exit device head cover. Since the LBR does not use a bottom rod, the hole
plug will block off this hole from debris or tampering.
13. ADJUST AND TEST INSTALLATION
Exit Device Operation:
When push bar is depressed and the door is opened, the top and bottom latches should be held retracted until door closes. When
the push bar is released both latches remain in the retracted state. When the door closes and the top latch engages with the top
strike, it releases the holding mechanism and allows the bottom latch to fully extend.
If the latches do not work smoothly when opening and closing the door, adjust the rod accordingly:
If the bottom latch does not clear the strike or threshold:
-Disconnect the bottom rod from the actuating plate and rotate the rod clockwise, which will raise the rod and the latch
bolt.
If the top latch does not clear the strike:
-Disconnect the top rod from the actuating block and rotate the rod counterclockwise, which will shorten the overall
distance. This will allow the top latch to completely rotate out of the way of the strike.
If the top latch does not operate smoothly:
- Perform the steps noted above. Also try rotating the rod counterclockwise if required.
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