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| 1. Remove the old hardware with a screwdriver, then chisel out the mortises for both the knob and deadbolt so that they’re deep enough to accommodate the indents in the door plates. | 2. Slide the door plates over the old passage holes, predrill the screw holes with a 1/8" wood drill bit, then screw the plates to the door. Clear the passages with a 2 1/8" bimetal hole saw. | 3. Adjust the knob latch so it fits the depth of the latch hole, slide the latch into the mortise cavity, then screw it into the door frame. Make sure that the latch’s bevelled edge faces out. |
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| 4. Slide in the knob assembly, making sure it fits into the latch prongs as shown in the inset photo. Turn the knob to ensure it engages the latch, then snap on the rear rose plate and knob. | 5. To install the deadbolt, turn the latch open, slide it into the mortise and screw it into the door. Rotate the lock housing’s tail 180°, then slide it through the latch as shown (inset). | 6. The thumbturn slides right into the tailpiece. Turn it to vertical so you can place the screws, but don’t tighten the screws until they’re in and balanced or they’ll bind the lock. |
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| 7. To reinforce your door considerably, choose a strike plate long enough to accommodate six screws, and use three-inch screws. Pre-drill the holes, then fasten on the plate. | 8. To install a peephole, first find the door’s centre. Predrill the hole on both sides of the door with a 1/4" bit, followed by a 1/2" bit, going slowly at first to reduce chipping. Slide in the lens. | 9. Smooth any rough material into the hole, then hold the front of the lens with one hand while you thread the rear piece into the back of the door. Tighten up the rear piece with a coin. |
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