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“ upper latch holding bottom latch ”

RELATED FAQS

Question
Answer
What parts are necessary to add the bottom rod/latch/strike to a 98/9927-LBR device?
Following parts are required to add the bottom rod and latch to the 98/9927-LBR device.  Bottom Rod: 050515 for 9827 and 050514 for 9927 (specify finish)  Bottom Latch Assembly: 05009...
Why would bottom latch on 98/9927 drop when top latch stays retracted?
Check the adjustment and if this does not resolve then you may possibly have a defective center case or bottom latch.
Why are my 1690 device bottom rod are dragging?
Required top and bottom rod adjustment. Top rod possibly is adjusted too short and not lifting the rod far enough to engage the latch retention which would cause bottom rod to drag floor ...
Where do I install my Auxiliary Fire Latch (AFL) in a Less Bottom Rod, Fire Rated (LBR-F) exit device?
Installation should be 6" from bottom of the door. See attached templates as reference.  T-5494 for HM Doors W-5494 for Wood Doors
What is the part number for the 98/9927 bottom latch and cover?
The part number for 98/9927 bottom latch less cover is 050401-00 and the latch case cover is 050566-xx.
What is the part number to replace a top or bottom latch of a 98/9927 device that was built before October 1998?
050090 for bottom latch retrofit kit and 050091 for top latch retrofit kit.
Will the 25-C series rods and latches work on the old 18-C?
The internal rods and latches for the 25-C carried over from the older 18-C device so they can be used interchangeably.
MA lock case dimensions.
See below for commonly requested dimensions on the MA lock.  Dimensions not found in other literature have a square around them. CL refers to "Centerline".