Marks USA 145K Defender Series Deadlatch Installation Instructions
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145K Deadlatch Installation Instructions©
For Existing Door Preparation:
- 1. Insert latch into 1" diameter hole and fasten with 2 screws.
- 2. Push keyed assembly through 2-1/8" diameter hole from the outside and properly engage latch with the retractor. IMPORTANT: PRONGS MUST ENGAGE CHASSIS AS SHOWN IN FIGURE 2.
- 3. Check from inside of door to make sure the latch is properly engaged before mounting the inside rose.
- 4. Position and align rose with thru-posts and secure with 2 10-32 F.H.M. screws.
- 5. Snap on inside turn-knob/rose shell assembly to rose, engaging tailpiece in lock.
- 6. Check lock for proper operation before closing door.
