Marks USA Unilock System and Ornamental Iron Installation Instructions

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Uni-Lock™ System & Ornamental Iron Installation Instructions©

  • 1. Position knob/plate or knob/rose assemblies on each side of door as shown. Make sure spindles from both sides are engaged with lock properly. Loosely tighten mounting screws.
  • 2. Place rings/spacers over cylinder and screw in both cylinders firmly, making sure the key slot is aligned vertically toward the knob/lever.
  • 3. Tighten both cylinder set screws and check lock with key for proper operation.
  • 4. Tighten mounting screws securely and check lock for proper operation before closing the door.

UNI-LOCK™ Knob/Plate Dummy Trim:

  • 1. Position knob plate assembly on each side of door as shown. Loosely tighten mounting screws.
  • 2. Place inside and outside dummy cylinders with rings and tighten securely with 1/4"-20 flat head machine screw.
  • 3. Tighten mounting screws securely and check lock for proper operation before closing the door.

To Reverse Handing

Left Hand to Right Hand; Left Hand Reverse to Right Hand Reverse:

  • 1. Remove lock body cover (3 screws).
  • 2. Remove latch, turn over and re-insert. Note position of latch washer.
  • 3. Remove hub lock arm, turn over and re-insert.
  • 4. Replace cover and re-fasten.

Left Hand to Left Hand Reverse; Right Hand to Right Hand Reverse:

  • 1. Remove lock body cover (3 screws).
  • 2. Remove latch, turn over and re-insert. Note position of latch washer.
  • 3. Replace cover and re-fasten.

WARNING:

Double Cylinder Locksets - Do not leave key in inside cylinder. This could result in a lockout.