Ask your question Entering your question as a complete sentence will provide more accurate results than keywords or phrases.
How do I identify an AL lock?
1. The AL-Series will have a castle nut holding the chassis on the door, see Figure 1. An ND lock will not have a castlenut but the discontinued D Lever will have one.
Figure 1: AL Castle nut installation
2. The cylinder is not flush with the face of the lever but recessed, see Figure 2. This is unique only to the AL for Schlage cylindrical locks.
Figure 2: AL Lever
3. The chassis housing has markings for door thickness, see Figure 3. This is unique only to the AL for Schlage cylindrical locks.
Figure 3: Door thickness markings on chassis
4. The deadlatch has only one latch tai, see Figure 4 (T-bar coming at the back end that engages the chassis retractor). This is unique only to the AL for Schlage cylindrical locks.
Figure 4: AL deadlatch
DISCLAIMER:
INFORMATION PROVIDED THROUGH THIS SITE IS PROVIDED TO YOU AS IS WITHOUT ANY EXPRESS REPRESENTATIONS OR WARRANTIES OF ANY KIND, AND WE MAKE NO REPRESENTATION OR WARRANTY THAT THIS SITE(OR ANY INFORMATION PROVIDED IN RESPONSE TO YOUR INQUIRY), WILL BE ACCURATE, COMPLETE, OR ERROR-FREE.
YOU AGREE THAT YOU MUST EVALUATE ALL INFORMATION AND RESPONSES, AND THAT YOU BEAR ALL RISKS ASSOCIATED WITH, THE USE OF THIS SITE, INCLUDING ANY RELIANCE ON THE ACCURACY,COMPLETENESS, OR USEFULNESS OF ANY INFORMATION OR MATERIALS MADE AVAILABLE THROUGH THIS SITE.