Begin by removing the screws from the door knob on the interior side of your door.
How to change a lock on a screen door.
This video is how to install a screen door handle on a standard screen door.
Trade in the broken shabby push button handle on your screen door for a shiny new easy opening lever handle.
You can buy a good handle here.
Insert the deadbolt spindle from the inside through the center hole into the key lock.
Use an awl or your screwdriver to pry up the spline at the corner of the frame.
Discard the old handle.
This allows you to pull the door knobs off the door from both sides.
The spindle should project through the inside of the door a maximum of 1 2 and min of 1 4.
There is a separate piece of spline for each side of the screen.
On the other hand some parts have not changed in forty years.
Did you lose the key somewhere near your house and now you are worrying that perso.
Once the new pins are in reverse the steps to reassemble the lock.
Window companies change their parts over the years and often the parts used by your windows become unavailable.
In some cases door latch plate mortises might need to be cut or enlarged.
Insert the pins and reassemble the lock dump out the old pins insert the new key and use tweezers or small needle nose pliers to match the new colored pins to the color code on the special instruction sheet.
As with the handle you may need to cut your spindle to suit your door thickness.
Remove the two screws from the latch plate on the edge of the door and remove the latch from the opening.
Firstly for a whitco mk ii tasman lock the lock needs to be in the locked position.
The splines are pieces of narrow rubber tubing that keep the screen secure around the door frame.
Cylinder will then pull out.
Remove the old handle and screen door latch unscrew both interior latch mounting screws pull the interior and exterior handles apart and remove the center spindle.
Learn how to replace or change the security door lock under three minutes.
Screen door locks and latches.