588 US Type Furniture Mortise Lock Security Knob Door Lock

Door lock Installation

1. Put door lock body into mortise in door edge. Move door towards door frame and analyze latch placement to make sure beveled face of latch is pointed towards door frame.

2. If latch is turned the wrong way, change direction of latch.

3. Mark location of holes on top and bottom of door lock body faceplate and remove mortise door lock body.

4. Drill holes in door edge, replace door lock and install self-tapping screws to hold door lock body in place in door edge.

5. Insert spindle through face of door panel in handle-hole.

6. Place interior and exterior handles on either side of the door over the spindle. Install self-tapping screws to hold handles in place, but do not fully tighten handles until after cylinder is in place.

7. Insert key in cylinder to turn door lock cam to the up position. Insert cylinder in cylinder hole from interior side to ensure that thumbturn is on inside of door and keyed side is on ouside.

8. Install cylinder screw through door edge to hold cylinder in place in lock body.

9. Tighten screws holding handles in place.

10. Check that lock operates correctly before closing door.

11. Throw deadbolt by turning thumbturn or using key.

12. Mark where deadbolt and latch hit door jamb and mortise holes if necessary.

13. Install strike plate in proper location.

Ningbo Sinppa Locks Co., Ltd. was founded in 1999, specializing in manufacturing and exporting Door Locks, Cabinet Hardware, Window hardwares & Accessories. Based on high quality, competitive price, punctual delivery, new products, excellent service and flexible business terms, we have established long-term & stable business relationships with clients from all over the world.

Ningbo Sinppa Locks holds the main principle of "Honesty is Basic; Quality is Best", expecting to establish the trade cooperation with clients from all over the world based on mutual benefit, equality and justice. Ningbo Sinppa Locks has strong capability in R&D and manufacture. We can make products according to customers' special requirements. Ningbo Sinppa Locks is your best choice.

Quality guarantees

1.Our products adopt advanced technology and are processed under strict quality control system.

2.Our products are made from high-quality and environment-friendly materials.

3.We offer almost any kind of material upon customer's request.

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We warmly welcome you to visit our website for more designs, OEM orders are acceptable.