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Published bySantino Cathell
Modified over 2 years ago
Mortise Locks Created by M.Martin 9/05
Types - your Ref: P45 of textbook
Review parts of a mortise lock on P 46 of textbook
Installing the lock
Hold the lock at the required height Mark edges of lock as a guide on face of door Also mark height of spindle position and keyhole if a lock set
Use a square and bring these lines to door edge Continue lines around door edge to show the position for mortise
Find centre of door edge Mark a central guide line down the door edge Width of lock can bee marked on edge from here
You can use a combination square to gauge depth for spindle hole If mortise lock has a cover plate, allowance must be made for this
Transfer measurement to door face Mark both sides of door At this stage you can also use same process to mark keyhole on face, if applicable
Wedge bottom of door tight Use an auger or speed bore to drill bulk of mortise Ensure you keep the drill level
Either now or on completion of mortise, drill spindle and key holes Drill from both sides so that you don’t split the timber on the door
Complete mortise with a chisel Use appropriate sized mortise chisel for this A paring or firmer chisel to clean final edges
Push lock into hole Check if square Check spindle and key holes are aligned Trace face plate with sharp pencil
Remove lock Carefully chisel correct size of plate Remember if cover plates are being used, this will be deeper
Reposition lock Face plate should be flush with door Or place cover plate plate over, this being flush Screw into position, pilot drill holes first
Finish lock screwed into position
Fitting The Lever Handles
Initially position spindle through door Check positioning is free from obstruction
Fit one handle on, hold in the correct position Use a bradawl to position screw holes
Remove handle Pilot hole first
Position handle & screw in place Fit screws to ensure handles stay level Top corner, then diagonally opposite bottom corner etc Repeat process for other side
Fitting Striking Plate
Close door onto jamb Use pencil to mark top & bottom of latch & lock on jamb Accuracy is very important
Open door continue marks around onto the face of the jamb
With door open, measure depth of latch & lock A combination square is good for this
Transfer depth measurement onto face of jamb With vertical lines between previous marks
Hold strike plate in position Mark around plate to give exact position
Chisel out inside the latch and lock guidelines and the external guideline for the strike plate. Position the strike plate, drill pilot holes and then screw it in place
Installing Hinges Created By M.Martin 9/05. Mark the hinge position on the door edge 150mm from the top of the door and 225mm from the bottom of the door.
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