True Test Figure 33. Now it’s time for the true test. If everything was done according to plan, this key should turn the cylinder. If you take a close look, you’ll see that the bottom shoulder has retracted slightly. This happened automatically as the spring-loaded finger pins settled into their operating position. Key Turns Figure 34. After both halves of the key were in place, normal op- erating torque was applied, and the key turned smoothly. It feels odd only because both halves have a slight movement when the key is used, and it’s different than the feel of a solid-headed key. e Conclusion ny of you, we always enjoy the challenge of doing some- at “can’t be done.” When I was notified of this huge pile us cylinders, it intrigued me. Although they are used, e like new and can be resold at a discount with con- We’ll disassemble them and replace all the pins and We’ll set them to our Primus sidebar and have a very e product that will generate a respectable profit. Because ere swapped for other material that we weren’t using, it n exercise in doing something worthwhile that proved e a little puzzle-solving ability. smiths and safe techs: Whether it’s restoring an k by rebuilding it and making parts or servicing an e vault, keep your fellow craftsmen in mind. Technical lishments, promoting your business, developing new f doing things and giving back to your community by ing a lock service project at a church or school all eat material for articles in Keynotes and Safe & Vault ology magazines. For more information on telling your ontact [email protected] It Works Figure 35. Using the method of removing the cam screw and cam on the back of the mortise cylinder, we’ve reached in and applied lifting pressure to the pin normally activated by the tip of the control key. Holding the upward pressure while turning the key clockwise withdraws the control pin, allowing withdrawal of the large format interchangeable core. 40 KEYNOTES DECEMBER 2018 Tom Gillespie, CML, CIL, CCL, is a 49-year veteran of the security industry. Since 1969, he has ex- panded his experience in the retail, manufacturing and distribution segments of our industry. Tom has taught educational seminars throughout the U.S. and Canada. He has authored numerous books, newsletters and articles for security industry publications. He is semi-retired but is still active in locksmithing. Tom can be reached at [email protected]. WWW.ALOA.ORG
