The storm door guy does a step by step walk through on how to disassemble a storm door handle in this case specifically a pella select or ashford model doo.
How to remove handle from storm door.
Step 1 remove the cylinders or handle assembly.
Unscrew both interior latch mounting screws pull the interior and exterior handles apart.
Screw the inside and outside together.
You may need to jiggle them slightly to pull them completely apart.
Continue on and remove the other screws keeping the handle hardware attached to the door.
Then use a phillips screwdriver or power screwdriver to take out the screws on the cover plate.
Step 3 turn the handle over and if necessary reverse the latch nose.
Examine the edge of the door handle s metal plate on the interior side of the door looking for a hidden recessed screw.
Find an allen wrench that fits the screw by trying each different size in the set until.
Step 3 remove the strike plate cover.
Regardless if the storm door lock is the type that uses a deadbolt or a keyed handle you will.
Remove the old handle and screen door latch.
Gently pull the interior and exterior handles and cover plate until they come free.
Replace the handle and reinsert and tighten the retaining screws.
Remove the handle by taking out the retaining screws usually two located at the top and bottom of the inside handle.
Install the new handle and screen door latch.
How to remove a door handle with no visible screws.