Codelocks CL600 Series Mechanical: On-Door Code Change

Time to Install: 15 to 30 minutes Necessary Tools: 1-3/16” bit (minimum cross bore opening), 3/8” bit...


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Press the “C” button to reset the code chamber. To be certain all of the buttons are in the non-code position, press the lever in order to retract the latch. If the latch retracts, then all of the buttons are in the non-code position.

To program the CL600 Series locks, choose the new combination. Remember: Each character may be used only once. Place the code change tool over the first number or letter button. Push in very slightly, approximately 1/16”and turn clockwise 180 degrees until the button stops rotating. Repeat the procedure for all of the number buttons and the letter buttons in the code. When finished, turn the key to the override position and retract the latch. Depress the lever. A snap will sound and the code buttons will relock. Remove the key.

Important: Test the code with the door open at least three times to be certain the lock was properly programmed.

If the code is forgotten and no override key is available, a temporary fix can be made by decoding the lock. To decode the lock, remove it from the door. Look at the backside of the exterior casing. The position of the tabs on the rear of each button will indicate if the button is coded or non-coded. If the red paint dot on the rear of a button is closer to the middle of the lock case, the button is coded. If the red painted dot is closer to the edge of the lock case, the button is non-coded.

The lock cylinder can be removed without removing the lock from the door. Use a 3/32” hex wrench to remove the lever and cover. Insert the key into the lock cylinder and rotate 90 degrees counterclockwise. Slide the lock cylinder out of the lock. The CL600 Series use a six pin tumbler lock cylinder with a very short driver.

For new installations, Codelocks recommends four cross bore holes; three 3/8” diameter and one 1-3/16” diameter. As an alternative, two 3/8” diameter holes are for the retaining the upper portion of the exterior and interior cases. A single 2-1/8” bottom hole provides sufficient room for the spindle shafts and the one hole for securing the lower portion of the cases. A one-inch diameter edge bore opening is required for the dead latch.

Note: The inside lever must be removed in order to gain access to the lower mounting screw. The three mounting screws require the provided 5/32” hex wrench.

For retrofit applications, install the dead latch. Mount the CL600 Series lock using the bottom mounting screw to secure the exterior and interior casings. Use a level to make sure the casings are vertical. Use the upper screw holes on the interior to locate the holes. Remove the lock, and drill the two upper mounting homes.

Once the door prep has been completed, the CL600 Series lock is mounted onto the door with a provided 5/32” hex wrench. For exterior applications, be certain to install the neoprene seals.

The CL600 Series locks are available for commercial and residential application where the door is 1-3/8” to 1-3/4” thick. The dead latch backset is available in 2-3/4” or 2-3/8”. Available finishes are brushed stainless steel and polished brass with Physical Vapor Deposition (PVD) coatings to provide protection against wear, abuse and the environment.

Codelocks CL600 Series has a limited lifetime warranty.

For more information, contact your local locksmith distributor or Codelocks LLC, 2930-B College Ave, Costa Mesa, CA 92626. Telephone: 714-979-2900. Fax: 714-979-2902. Web Site: www.Codelocks.us.

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