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door stuck bottom piece wont rise
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Question
Answer
What is the minimum and maximum door thickness for the AD and CO series locks?
Resolution:
The minimum door thickness that the AD or CO series lock will mount on is 1 3/8". Be advised that this will require additional spacers to be ordered separately to allow the lock to mount...:
What is the minimum top rail needed for the 4111 EDA/HEDA?
Resolution:
The minimum top rail required to mount a 4110 closer is 5-1/8" measured from the stop of the frame. If the top rail is less than 5-1/8" the 4110-18 drop plate is required.:
How do you remove an AL lock from a door?
Resolution:
AL-Series and discontinued D Lever-Series locks use castle nuts to hold the chassis to the spring cages and to keep the chassis positioned in the door. This causes confusion at times when the lock ...:
What is the mounting difference between a 2010 closer and a 2030 closer?
Resolution:
The 2010 and 2030 closer are not the same. The 2010 Series closer uses the (larger) 4010 cylinder which requires a 4" minimum frame tube to mount in. The 2030 uses the (narrow) "Pacer" cylinder...:
Can I order a "one piece" top rod for an 8827 for a 9' door?
Resolution:
8827 vertical rod device is available for 7 or 8 feet tall door standard. 12", 24", 36" and 48" extension rod kits are available for taller doors (8 feet max on fire rated openings). We do no...:
B663 only throws bolt and wont retract it.
Resolution:
After installing a classroom deadbolt, there is potential for the thumbturn to project the bolt only, get stuck in one position, or move both directions but not move the bolt. These are caused fro...:
What is a U-Factor?
Resolution:
The U-Factor, R-Value and K-Thermal Rating are measurements of thermal transmission through building products. U-Factor: Overall co-efficient of heat transmission passage through a built-up panel...: