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FAQs

What parts are modified when ordering an ND extended lock?

Resolution: Only the chassis components are modified for thicker door applications, the lever and spindle assemblies remain intact. The following parts may be modified depending on the function of the lock ...:

What are the dimensions of AD-400?

Resolution: 15 tall x 3.5 wide:

What is the part number for the L9080 lock case?

Resolution: The L9080 lockcase part number is L283-134.:

Can a 4040XP closer be used to replace a 4040XPT closer?

Resolution: The 4040XP closer cylinder can be used to replace the 4040XPT closer cylinder, however, the 4040XPT closer has a stronger initial spring setting given the application. The 4040XP cylinder will need...:

Why does the fuse blow in the power supply when arming the Von Duprin Chexit device?

Resolution: The following could cause the fuse to blow in the power supply with devices shipped prior to 8-24-2015 with solenoid driven when Chexit device is arming. Wrong power supply Confirm PS873 or...:

What is (SD) Special Dogging?

Resolution: SD is Special cylinder dogging in the center case of 98/99 rim and vertical rod non fire rated devices and is available with standard, EL, QEL, CX and ALK.:

Can you have a security stud hinge with a TW option?

Resolution: The Security Stud and TW4/8 (through wire) options are in the same location on a hinge and cannot be ordered together.:

Does the old style 4030 have the same templating as the new style 4031?

Resolution: The old 4030 series was: Handed Mounted regular arm hinge side. Had sized springs, were not adjustable. The 4033 is an obsolete closer. If required, handing can be verified by looking at ...:

Why is my EL1490 using the Altronix power supply and the EL device not pulling well?

Resolution: The required power supply to support EL devices is the Von Duprin PS914-2RS or PS914-4RL power supply. Due to the inrush current demanded by EL devices only the Von Duprin PS9...:

Why dosen't my AD or CO Series exit trim (993) lever rotate in both directions

Resolution: Opposite rotation of the lever is intentionally restricted by an internal block device in the spring cage this is normal operation.: