This installation involved replacing an old MS1850 deadbolt with a latchlock on an older aluminum double door. These doors were probably at least 40 years old, and have a seldom seen gold finish. The first step was to pull out the old lock, and see what I had to work with. The bottom mount was still intact and usable, no upper mount was to be found. This would mean using a mounting table, which would have to be mounted behind the channel that contained the weather strip, or what was left of it. Placing the lock in position, I insert the turn disc for the Adams Rite Push paddle, then hold the paddle body in position and mark for its mounting studs. Using a 1/4" bit, drill for the studs, and nut them into place.

    Next, I attach the mounting table to the top of the lock, place the lock in position again and mark for the 2 mounting screws. The mounting table is then removed, and the lock set aside. After drilling and partially countersinking the mounting screw holes, I hold the mounting table inside the door, and screw it into place. Then the lock is put back into place and screwed to the mount.

   Now the paddle body can be placed in position and the 2 paddle body screws are mounted into place on their studs, and all of the mounting screws tightened down on the paddle body and lock body. I make sure the key turns freely, and double check that everything is straight and ready for final assembly.

   The paddle can now be installed on the paddle body, and the brass set screw that holds the paddle and rod carefully tightened, being sure not to damage the brass allen screw, or overtighten it. The paddle should move freely and spring back without friction. The face trim can be attached to the lock body, and one of the partially countersunk screws for the upper mounting table is removed, the hole fully countersunk and the screw reinstalled. The procedure is repeated for the other screw. Only one screw can be removed from the mounting table at a time, the other must remain installed. If both are removed, the the mounting table is likely to move out of position, and there will be difficulty reinstalling the screws.

    After making sure the entire lock, cylinder and paddle all operate smoothly, I can turn my attention to the strike. The provided strike with the lock will not be used here. Between the fact that the door is rounded on its edge, and the channel running along the inside edge of the door is in the way, it is unlikely to install well or stay secure. Also, the hole left from the deadbolt can not be fully covered by the deadlatch strike, the hole extends too far down. The edge of the door is rounded enough that the latch has no problem closing properly, there is no sharp corner for it to catch on and when the door swings, the latch retracts smoothly.